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  • Do

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  • info@eiccontrol.com

    www.eiccontrol.com

    Tel. +34 916280817

    Fax +34 916280453

    January 2011

  • Table of ContentsCompany Background ................................................................................ 2

    Products

    Sensors (require voltmeter or datalogger)Pyranometer (shortwave radiation) ................................................................... 4

    Quantum (photosynthetic radiation) ................................................................. 6

    Line Quantum (spatial average photosynthetic radiation) ..................................... 8

    Ultraviolet Radiation (250-400 nm) ................................................................ 10

    Infrared Radiometer (surface temperature) ..................................................... 12

    Net Radiometer (shortwave and thermal radiation) ........................................... 14

    Oxygen (O2 in air) ........................................................................................ 16

    Barometric Pressure ..................................................................................... 18

    Hand-held Meter/Sensor CombinationsPyranometer (shortwave radiation) ................................................................. 22

    Quantum (photosynthetic radiation) ............................................................... 24

    Ultraviolet Radiation (250-400 nm) ................................................................ 26

    Oxygen (O2 in air) ........................................................................................ 28

    Chlorophyll Content (non-destructive optical measurement) .............................. 30

    SystemsSpectroradiometer ....................................................................................... 34

    Clear Sky Calculator ................................................................................. 36

    Recalibration ................................................................................................ 39

    Accessories ................................................................................................... 40

    Ordering ......................................................................................................... 41

  • Apogee Instruments is committed to creating innovative instrumentation for measuring climate change, improving sustainable food production and developing renewable energy.

    Apogee was founded in 1996 by Bruce Bugbee, a professor at Utah State University, in response to a need for new types of environmental sensors in his research. In January 2008, Apogee expanded into a new facility located five miles from its roots in Bruces garage. The new facility is a passive solar building with an open internal architecture to provide natural lighting to all work stations. The building has radiant floor heat and is super-insulated with an R-80 roof, R-40 walls and R-3.4 low-emissivity thermopane glass. Convective air exchange is minimal due to careful sealing during construction.

    The climate inside the building is monitored and controlled with a Campbell Scientific datalogger coupled to 64 multiplexer input channels and 32 output control channels. Internal temperature, humidity, carbon dioxide, oxygen, external temperature, solar radiation and wind are graphed in real time on centrally-located computer screens. The Apogee logo on the rooftop is visible from commercial aircraft flying at 8,000 meters (26,000 ft). Visitors are welcome!

    About Apogee

    2

  • Sensors

    Measure: shortwave radiation photosynthetic photon flux ultraviolet radiation ambient oxygen

    3 www.eiccontrol.com

  • A pyranometer measures total shortwave radiation, in W m-2. The SP series are silicon-cell pyranometers and are calibrated to measure the total solar spectrum from 280-3000 nm. The calibration is traceable to reference pyranometers at the National Renewable Energy Laboratory (NREL) via replicate Kipp & Zonen model CM11 pyranometers. The reference pyranometers at NREL are traceable to the world shortwave radiation reference in Davos, Switzerland.

    SP series pyranometers feature a cosine-corrected, dome-shaped, self-cleaning design that maintains high accuracy over all zenith angles (see Figure 2).

    SP series pyranometers are available in un-amplified and amplified versions. Un-amplified versions are self-powered and compatible with most dataloggers. The two amplified versions are designed for use with lower resolution dataloggers.

    Applications include:

    shortwave radiation measurement for evapotranspiration calculation in agricultural, ecological and hydrological weather stations

    site evaluation and solar panel efficiency measurement in the solar power industry

    Pyra

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    The self-cleaning convex lens is designed to

    accurately measure low-angle radiation coming

    from the sun in the morning and evening.

    Measure shortwave radiation

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  • SpecificationsCosine Response:

    45 zenith angle: < 1% 75 zenith angle: 4%

    Absolute Accuracy: 5%

    Uniformity: 3%

    Repeatability: 1%

    Long-Term Drift: Less than 3% per year

    Mass: 70 g (with 5 m lead wire)

    Operating Environment: -25 to 55 C 0 to 100% relative humidity Designed for continuous outdoor use Submersible in water

    Warranty: 1 year against defects in materials and

    workmanship

    SP-110 only: Responsivity: 0.20 mV per W m-2

    In Full Sunlight: 220 mV (1100 W m-2) Linear Range: 0 - 350 mV (0 - 1750 W

    m-2) Sensitivity: custom calibrated to exactly

    5.00 W m-2 per mV Input power: none, self-powered

    SP-212 & 215 Amplified only: Current Draw: 285 A

    2.5 V Option (SP-212): Output: 0 to 2.5 V (2.2 V = full sunlight 1100 W

    m-2) Input Power: 2.5 to 5.5 VDC Sensitivity: Custom calibrated to exactly 0.5 W

    m-2 per mV

    5.0 V Option (SP-215): Output: 0 to 5 V (4.4 V = full sunlight 1100 W

    m-2) Input Power: 5 to 5.5 VDC Sensitivity: Custom calibrated to exactly 0.25 W

    m-2 per mV

    SP-110 Pyranometer, 0.2V output (5 m lead length) ....................................-L-10 with 10 m lead length .....................................................................-L-15 with 15 m lead length .....................................................................-L-20 with 20 m lead length .....................................................................SP-212 Amplified pyranometer, 2.5V output (5 m lead length) ......................SP-215 Amplified pyranometer, 5V output (5 m lead length) ........................

    AccessoryAL-100 Leveling plate (pg 40) ....................................................................

    Figure 1

    Figure 2

    Cosine response of SP series.

    Graph shows percent error of Apogee SP-110 relative to Kipp & Zonen CM21 at zenith angles throughout the day.

    5 www.eiccontrol.com

  • The Apogee Quantum Sensor is waterproof and fully submersible.

    The Apogee Quantum Meter is splash resistant.Q

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    Apogee quantum sensors measure photosynthetic photon flux (PPF), in mol m-2 s-1 and are calibrated to measure PPF under either sunlight (model SQ-110) or electric light (model SQ-120). The calibration is referenced to an NIST-traceable calibration lamp.

    SQ series quantum sensors are available in un-amplified and amplified versions. Un-amplified versions (SQ-110 and 120) are self-powered and compatible with most dataloggers. Four amplified versions (SQ-212, 215, 222 and 225), 0-2.5 V and 0-5.0 V outputs are each available with electric or sunlight calibration, are designed for use with lower resolution dataloggers.

    Applications include:

    daily total PPF calculation for studies in the field, greenhouse and growth chamber

    measuring PPF for coral in salt water aquariums

    Measure photosynthetic photon flux

    6

  • SpecificationsCosine Response

    45 zenith angle: 1% 75 zenith angle: 5%

    Absolute Accuracy 5%

    Uniformity 3%

    Repeatability 1%

    Long-Term Drift Less than 3% per year

    Operating Environment -25 to 55 C 0 to 100% relative humidity Designed for continuous outdoor use Can be submerged in water

    Warranty 1 year against defects in materials and

    workmanship

    Current Draw (SQ-212,215,222,225) 285 A

    2.5 V Option Output: 0 to 2.5 V (2.0 V = full sunlight

    2000 mol m-2 s-1) Input Power: 2.5 to 5.5 VDC Sensitivity: Custom calibrated to

    exactly 1.0 mol m-2 s-1

    5.0 V Option Output 0 to 5 V (4.0 V = full sunlight

    2000 mol m-2 s-1) Input Power: 5 to 5.5 VDC Sensitivity: Custom calibrated to

    exactly 0.5 mol m-2 s-1

    SQ-110 Sun quantum sensor (5 m lead length) ..........................................-L-10 with 10 m lead length .....................................................................-L-15 with 15 m lead length .....................................................................-L-20 with 20 m lead length .....................................................................SQ-120 Electric quantum sensor (5 m lead length) .....................................

    Amplified (5 m lead length)SQ-212 Quantum sensor, 2.5V, sun ..........................................................SQ-215 Quantum sensor, 5V, sun ..............................................................SQ-222 Quantum sensor, 2.5V, electric ......................................................SQ-225 Quantum sensor, 5V, electric .........................................................

    Accessory AL-100 Leveling plate (pg 40) ...................................................................

    Figure 1

    Apogee Quantum Sensor spectral response shown with actual plant response and defined quantum response.

    7 www.eiccontrol.com

  • Measure the spatial average photosynthetic photon flux

    Quantum sensors are also available as line quantum sensors, with multiple sensors mounted along a bar to provide a spatially-averaged PPF measurement. Three standard models are available and custom versions can be manufactured upon request.

    Line quantum sensors are often used to measure PPF below plant canopies to determine radiation capture of the canopy.

    70 cm line w

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    50 cm line w

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  • Line Quantum (5 m lead length)SQ-311 Quantum 70 cm line, 10 sensors, sun ............................................SQ-313 Quantum 50 cm line, 3 sensors, sun ..............................................SQ-316 Quantum 50 cm line, 6 sensors, sun ..............................................SQ-319 Custom quantum, sun, starting at: ................................................SQ-321 Quantum 70 cm line, 10 sensors, electric .......................................SQ-323 Quantum 50 cm line, 3 sensors, electric .........................................SQ-326 Quantum 50 cm line, 6 sensors, electric .........................................SQ-329 Custom line quantum, electric, starting at: .....................................

    SpecificationsCosine Response

    45 zenith angle: 1% 75 zenith angle: 5%

    Absolute Accuracy 5%

    Uniformity 3%

    Repeatability 1%

    Long-Term Drift Less than 3% per year

    Operating Environment -25 to 55 C 0 to 100% relative humidity Designed for continuous outdoor use Can be submerged in water

    Dimensions SQ-313, 316, 323, 326: 50 cm SQ-311, 321: 70 cm

    Mass SQ-313, 316, 323, 326: 275 g SQ-311, 321: 375 g

    Warranty 1 year against defects in materials and

    workmanship

    9 www.eiccontrol.com

  • Ult

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    The SU-100 is a photodiode-based UV sensor sensitive to radiation from approximately 250-400 nm (see figure 1). This spans the UV-A, UV-B and UV-C wavelength ranges and provides a measurement of total UV radiation. The calibration is NIST-traceable.

    The SU-100 cannot be used to selectively measure the different UV radiation bands because the photodiode is not equally sensitive to all UV wavelengths; it is calibrated to measure total UV radiation.

    Full Sunlight (170 mol m-2 s-1)

    UV Radiation

    = sensor output * conversion factor = 26 mV * 5 = 170 mol m-2 s-1

    Example Conversion

    Factor: 5Sensor Output (26 mV)

    Measure ultraviolet radiation

    Applications include:

    instantaneous and daily total UV radiation dosage monitoring in biological studies

    determining the UV filtering capacity of transparent plastic and glass barriers

    Figure 1

    Conversion from mv signal to mol m-2 s-1.

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  • The sensor is sensitive to UV-B radiation, but it is included with the UV-A radiation to provide a total measurement of UV radiation.

    SpecificationsAbsolute Accuracy

    10%

    Uniformity 5%

    Repeatability 1%

    Responsivity Approximately 0.15 mV per mol m-2 s-1

    Output in Full Sunlight Approximately 26 mV (170 mol m-2 s-1)

    Linear Range 0 to 60 mV

    Sensitivity Calibrated to approximately 6.5 mol m-2

    s-1 per mV

    Input Power None, self-powered

    Current Drain None, self-powered

    Mass 70 g

    Operating Environment -25 to 55 C 0 to 100% Rh Continuous outdoor use Submersible in water

    Warranty 1 year against defects in materials and

    workmanship

    SU-100 Ultraviolet Sensor (5 m lead length) ..............................................

    AccessoryAL-100 Leveling plate (pg 40) ...................................................................

    Figure 2

    11 www.eiccontrol.com

  • Model SI-111 half-angle = 22.0Model SI-121 half-angle = 18.0

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    An infrared radiometer measures surface temperatures without contact. Apogee SI series sensors are sensitive to radiation in the 8-14 m waveband, thereby minimizing water vapor and carbon dioxide absorption/emission effects. Sensors include an internal thermistor to measure sensor temperature. This internal temperature is used to correct the target temperature and provide accurate measurements over a wide range of temperatures (-40 to 70 C).

    The sensors are available in either standard or narrow field of view (see Figure 1). The area that the sensor actually measures is dependent on field of view and sensor mounting geometry. The standard field of view radiometer measures an area of approximately 2.1 m2 (a circle with a diameter of 1.6 m) when it is mounted two meters above the target surface and pointed straight down.

    These sensors were designed to interface with Campbell Scientific dataloggers capable of making high accuracy voltage measurements in the sub-V range.

    Applications include monitoring:

    plant canopy temperature for water stress detection

    soil surface temperature in land surface energy balance studies

    water surface temperature for use in weather forecasting

    snow surface temperature to aid in avalanche prediction

    road surface temperature for determination of icing conditions

    Measure the surface temperature of

    plant canopies soil snow roads water

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  • Figure 2

    Angling the sensor while maintaining sensor height can significantly increase area measured.

    For applications where sensor is oriented at 90o angle to target, field of view can be calculated with trigonometry.

    SpecificationsAccuracy -10 to 65 C

    0.2 C absolute accuracy 0.1 C uniformity 0.05 C repeatability

    Accuracy -40 to 70 C 0.5 C absolute accuracy 0.3 C uniformity 0.1 C repeatability and uniformity

    Field of View Standard: 22 half angle Narrow: 18 half angle

    Wavelength Range 8 - 14 m (corresponds to atmospheric

    window)

    Response Time < 1 second to changes in target

    temperature

    Output Target Temp Standard: 60 v per C difference from

    sensor body Narrow: 40 v per C difference from

    sensor body

    Output Sensor Body Temp Standard: 0 - 2500 mV Precision Narrow: 0 - 2500 mV

    Input Power 2.5 V excitation

    Datalogger Channels 1 differential (detector) 1 single-ended (thermistor)

    Optics Germanium lens

    Mass 190 g

    Operating Environment -55 to 80 C 0 to 100% non-condensing relative

    humidity Water resistant Designed for continuous outdoor use

    Warranty 1 year against defects in materials and

    workmanship

    SI-111 Infrared sensor (5 m lead length) ...................................................-L-10 with 10 meter lead length ...............................................................-L-15 with 15 meter lead length ...............................................................-L-20 with 20 meter lead length ...............................................................SI-121 Infrared sensor with narrow field of view (5 m lead length) ................

    Figure 1

    13 www.eiccontrol.com

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    rA net radiometer measures the difference between incoming and outgoing radiation (both shortwave and longwave components), in W m-2. The CNR 2 net radiometer (manufactured by Kipp & Zonen) measures net shortwave and net longwave radiation separately via individual shortwave and longwave sensors. The shortwave and longwave sensors each have upward and downward facing radiation detectors; the two shortwave signals from the detectors are combined, as are the two longwave radiation signals. As a result, there are two outputs, one proportional to net shortwave radiation and the other proportional to net longwave radiation. The calibration of both shortwave and longwave is traceable to the world radiation references in Davos, Switzerland. CNR 2 net radiometer performance was tested relative to multiple net radiometer models in a recent study*; replicate CNR 2 net radiometers were highly accurate under the conditions of the study.

    CNR 2 net radiometers feature a compact, lightweight design that facilitates mounting.

    Applications include net radiation measurement in surface energy balance studies, particularly water and carbon cycling studies in:

    agriculture

    ecology

    hydrology

    biogeochemistry

    Related Product

    SP SeriesA pyranometer is another option to verify shortwave radiation.

    Measure net shortwave and net longwave radiation

    *Blonquist Jr., J.M., B. Bugbee, and B.D. Tanner, 2009. Evaluation of measurement accuracy and comparison of two new and three traditional net radiometers. Agricultural and Forest Meteorology 149:1709-1721.

    14

  • SpecificationsRange

    Pyranometer: 0 to 4000 W m-2

    Pyrgeometer: -250 to 250 W m-2

    Non-Linearity Pyranometer: (0 to 1000 W m-2) < 2% Pyrgeometer: (-250 to 250 W

    m-2) < 1%

    Zero Offset Pyranometer: < 15 W m-2

    Directional Error < 20 W m-2

    Response Time 95% 10 s

    Temperature Error (-10 to 40 C) < 5%

    Spectral Range Pyranometer: 0.31 to 2.8 m Pyrgeometer: 4.5 to 42 m

    Field of View Pyranometer - Upper: 180; Lower: 150 Pyrgeometer - Upper: 150; Lower: 150

    Sensor Asymmetry < 5%

    Sensitivity 10 to 20 V per W m-2 (for both

    shortwave and longwave)

    Annual Sensitivity Change < 1%

    Tilt Error < 1%

    Uncertainty in Daily Total < 10%

    Dimensions 4 x 20 x 7 cm long; 30 cm mounting rod

    Cable 10 m

    Mass 250 g (+300 g for 10 m cable)

    Operating Environment -40 to 80 C 0 - 100 Rh Designed for continuous outdoor use

    Warranty 1 year against defects in materials and

    workmanship

    Kipp & Zonen CNR2 Net Radiometer ......................................................

    Figure 1

    Sensor combines incoming and outgoing radiation for longwave and shortwave, providing two outputs.

    15 www.eiccontrol.com

  • Related ProductSB-100 The Barometric Pressure Sensor is recommended for use with oxygen sensors, which are sensitive to barometric pressure fluctuations.O

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    Two attachments are available for SO series sensors, a diffusion head and a flow through head. The diffusion head (AO-001) facilitates soil measurements by keeping soil from contacting the sensing element. The flow through head (AO-002) facilitates in-line flow measurements by providing attachments for the gas flow lines.

    Applications include:

    subsurface oxygen measurement in biogeochemical cycling studies

    soil aeration characterization

    monitoring oxygen levels in biological gas exchange studies.

    Our galvanic cell oxygen sensors measure oxygen gas in air (not dissolved oxygen). They respond to absolute oxygen concentration in the atmosphere, though they can be calibrated to read out in relative units (percent or mole fraction). The sensor can be calibrated in ambient air, where the oxygen mole fraction is 0.2095 mole per mole-1 of air.

    Our sensors include an internal thermistor (or thermocouple) to measure sensor temperature, which can be used to correct sensor output and provide a more accurate oxygen measurement over a wide range of temperatures (-10 to 50 C). An internal resistance heater prevents condensation from forming on the membrane through which oxygen diffusion occurs. It warms the sensor 1 C above ambient temperature. This is important in soil environments where relative humidity is at or near 100%.

    The sensors are available in long life (SO-110 and SO-120) or fast response versions. Long life versions have a higher output, but slower response time; they are ideal for applications in soil. Fast response versions (SO-210 and SO-220) have lower output and shorter lifetime. They are designed for use in laboratory applications where oxygen is measured as it flows through a line.

    Measure oxygen in air

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  • SpecificationsAccuracy

    < 0.02% O2 drift per day

    Repeatability 0.001% O2 (10 ppm)

    Range 0 to 100% O2

    Response Time SO-100 Series: 60 seconds SO-200 Series: 12 seconds

    Output (Ambient O2) SO-100 Series: ~50 mV SO-200 Series: ~12 mV

    Input Power 12 V power for heater 2.5 V excitation for thermistor (SO-110 &

    210)

    Diffusion Head 3.5 cm long by 3.5 cm diameter 125 mesh screen

    Flow-Through Head 3.2 cm long by 3.2 cm diameter 1/8 barbed adapters for hose connections

    Gas Effect CO2, CO, NO, NO2, H2S, H2,

    CH4 - No effect NH3, HCI, C6H6 (Benzene) -

  • Related ProductSO 100 & 200 Series These sensors are useful for monitoring soil respiration, aeration and gaseous O2 levels in laboratory studies. B

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    The SB-100 measures barometric pressure in kPa, via a silicon-based pressure detector with specialized circuitry to linearize and amplify output. The sensor is contained within a small package and is designed to be housed inside the same enclosure as the datalogger.

    The SB-100 was developed for barometric pressure monitoring in conjunction with oxygen measurements in order to correct oxygen measurements for pressure changes. The SB-100 can also be used for routine barometric pressure measurements.

    Measure barometric pressure

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  • SpecificationsAccuracy

    1.5%

    Sensitivity 45.9 mV per kPa

    Operating Range -40 to 125 C

    Storage Temperature -40 to 125 C

    Pressure Range 15 to 115 kPa

    Input Power 5.0 VDC

    Current Draw 7.0 mA DC

    Response Time 1.0 ms

    Full Scale Output 5.0 VDC

    Mass 2 g

    Cable 20 cm pigtail

    Warranty 1 year against defects in materials and

    workmanship

    A comparison of barometric pressure measurements over 538 days in Logan, Utah at 1,500 m elevation, made by five sensors. All sensors were in an interior environment.

    SB-100 Barometric pressure sensor ............................................................

    Figure 1

    19 www.eiccontrol.com

  • Fat Spaniel Technologies

    Monitoring and visualization tools from Fat Spaniel Technologies provide real-time monitoring of energy generation and usage for residential, commercial and institutional buildings.

    Apogee pyranometers are installed with the Fat Spaniel solar power systems to provide a reference for monitoring purposes.

    See www.fatspaniel.com for more information.

    Applications

    20

  • Meter-SensorCombinations

    Record instantaneous sensor readings

    21 www.eiccontrol.com

  • Viewable on meter display & downloadable to a PC:

    (SMPL) 99 Sample Measurements

    (LOG) 99 Log Measurements

    Downloadable only:

    (LOG) 99 Daily Total Measurements

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    MP series solar radiation meters provide rapid, mobile measurements of instantaneous shortwave radiation, daily total shortwave radiation integration and datalogging capability using our SP series pyranometer.

    Two versions of the meter are available, one with a fixed sensor mounted on top of the meter body (MP-100) and one with a remote sensor connected to the handheld meter via two meters of cable (MP-200).

    Measure shortwave radiation

    MP-200 with remote sensor

    22

  • SpecificationsCosine Response

    45 zenith angle: < 1% 75 zenith angle: 4%

    Memory 99 manually stored data points Automatically store 99 consecutive 30

    minute averages 99 daily totals

    Absolute Accuracy 5%

    Uniformity 3%

    Repeatability 1%

    Input Power Standard 3 V coin cell battery

    Dimensions 2.4 cm diameter by 2.75 cm height

    Display 4.2 by 2.8 cm

    Range 0 to 1999 W m-2

    Mass MP-100: 150 g MP-200: 180 g

    Operating Environment 0 to 50 C Less than 90% non-condensing,

    relative humidity up to 30 C Less than 70% relative humidity

    from 30 to 50 C

    Warranty 1 year against defects in materials

    and workmanship

    MP-100 on mounting plate AL-210

    MP-100 Pyranometer meter, integral sensor ...............................................MP-200 Pyranometer meter, remote sensor ................................................

    Accessories (pg 40)AL-100 Leveling plate ...............................................................................AL-210 Leveling plate and mount for meters w/ integral sensor......................AC-100 Communication cable & software for downloading data to PC...............

    23 www.eiccontrol.com

  • MQ-300 with line sensor

    MQ series quantum meters provide rapid, mobile measurements of instantaneous PPF, daily total PPF integration and datalogging capability using our SQ series quantum sensors. MQ series quantum meters contain accurate calibration settings for measurement of sunlight and electric light and can be set to display either measurement.

    Two meter versions are available, one with a fixed sensor mounted on top of the handheld meter (MQ-100) and one with a remote sensor connected to the handheld meter via two meters of cable (MQ-200 & 300 series).

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    Viewable on meter display & downloadable to a PC:

    (SMPL) 99 Sample Measurements

    (LOG) 99 Log Measurements

    Downloadable only:

    (LOG) 99 Daily Total Measurements

    Measure instantaneous photosynthetic photon flux

    MQ-200 with remote sensor

    24

  • MQ-100 with integral sensor

    SpecificationsMemory

    99 manually stored data points Automatically store 99 consecutive 30

    minute averages 99 daily totals

    Input Power Standard 3 V coin cell battery

    Measurement Range 0 to 2999 mol m

    Display 4.5 cm width by 2.8 cm height

    Mass MQ-100: 150 g MQ-200: 180 g MQ-301: 380 g MQ-303, MQ-306: 300 g

    Operating Environment 0 to 50 C Less than 90% non-condensing relative

    humidity up to 30 C Less than 70% relative humidity from 30

    to 50 C

    Warranty 1 year against defects in materials and

    workmanship

    MQ-100 Quantum meter, integral sensor ....................................................MQ-200 Quantum meter, remote sensor ....................................................MQ-301 Line quantum 70-10 with meter ...................................................MQ-303 Line quantum 50-3 with meter .....................................................MQ-306 Line quantum 50-6 with meter .....................................................

    Accessories (pg 40)AL-100 Leveling plate ...............................................................................AL-210 Leveling plate and mount for meters w/ integral sensor......................AC-100 Communication cable & software for downloading data to PC...............

    These meters feature our innovative, self-

    cleaning, cosine-corrected, blue lens

    for improved spectral response and long-

    term stability.

    25 www.eiccontrol.com

  • MU series UV radiation meters provide rapid, mobile measurements of instantaneous UV radiation, daily total UV radiation integration and datalogging capability using our SU series UV sensors. MU series UV meters may be set for output of UV measurement in units of mol m-2 s-1 or W m 2.

    Two versions of the meter are available, one with a fixed sensor mounted on top of the handheld meter (MU-100) and one with a remote sensor connected to the handheld meter via two meters of cable (MU-200).

    Ult

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    (SMPL) 99 Sample Measurements

    (LOG) 99 Log Measurements

    Downloadable only:

    (LOG) 99 Daily Total Measurements

    Measure ultraviolet radiation

    This sensor is particularly useful for determining the UV filtering capacity of transparent plastic and glass barriers commonly used below electric lamps.

    MU-200 with remote sensor

    26

  • SpecificationsMemory

    99 manually stored data points Automatically store 99 consecutive 30

    minute averages 99 daily totals

    Absolute Accuracy 10%

    Long-Term Drift Less than 3% per year

    Range 0 - 199.9 mol m-2 s-1 (full UV in sunlight;

    170 mol m-2 s-1)

    Input Power Standard 3 V coin cell battery

    Display 4.2 by 2.8 cm

    Mass MU-100: 150 g MU-200: 180 g

    Operating Environment 0 to 50 C Less than 90% non-condensing, relative

    humidity up to 30 C Less than 70% relative humidity from 30

    to 50 C

    Warranty 1 year against defects in materials and

    workmanship

    Although the relative wavelengths of UV radiation differ between sunlight and electric lights, our measurements indicate that this sensor provides a close estimate of the UV radiation coming from electric lamps.

    MU-100 Ultraviolet meter, integral sensor ..................................................MU-200 Ultraviolet meter, remote sensor ...................................................

    Accessories (pg 40)AL-100 Leveling plate ...............................................................................AL-210 Leveling plate and mount for meters w/ integral sensor......................AC-100 Communication cable & software for downloading data to PC...............

    Spectroradiometer mol m-2 s-1; 300-400 nm

    Apogee UV meter vs spectroradiometer under metal halide and high-pressure sodium lamps

    Figure 1

    27 www.eiccontrol.com

  • Ox

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    MO series oxygen meters provide rapid, mobile measurements of instantaneous oxygen mole fraction, daily average oxygen mole fraction and datalogging capability using the fast response oxygen sensor.

    Being a galvanic cell type sensor, a small amount of oxygen is consumed in the reaction in order to produce the current flow and subsequent mV output. The oxygen consumption was measured to be 2.2 micromoles (mol) O2 per day when the O2 concentration was 20.95% (3240 mmol) at 23 degrees Celsius.

    Each meter can store up to 99 manually recorded measurements. In automatic mode, measurements are made every 30 seconds and averages are stored every 30 minutes. Daily averages are also calculated and the past 99 days are recorded. The AC-100 communication cable must be purchased to download data to a PC.

    Viewable on meter display & downloadable:

    (SMPL) 99 Sample Measurements

    (LOG) 99 Log Measurements

    Downloadable only: (LOG) 99 Daily Total

    Measurements

    Measure oxygen gas concentration

    This meter is useful for

    monitoring soil respiration soil aeration gaseous O2 levels in the field or

    laboratory

    28

  • Specifications

    Memory 99 manually stored data points Automatically store 99 consecutive 30

    minute averages 99 daily totals

    Accuracy < 0.02% O2 drift per day

    Repeatability 0.001% O2 (10 ppm)

    Range 0 to 100% O2

    Response Time 14 seconds

    Input Power Standard 3 V coin cell battery

    Gas Effect CO2, CO, NO, NO2, H2S, H2,

    CH4 - No effect NH3, HCI, C6H6 (Benzene) -

  • Related Product

    The spectroradiometer measures reflectance and transmission.C

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    The CCM-200 (manufactured by Opti-Sciences, Inc., Hudson, New Hampshire, USA) indicates the relative chlorophyll content of leaves by measuring the chlorophyll content index (CCI). See Figure 1 for more detail.

    The CCM-200 integrates a large leaf area in order to provide a representative spatial average of leaf CCI. It also includes datalogging capability and GPS synchronization.

    Applications include:

    relative chlorophyll content comparison within and between plant species

    chlorophyll content estimation based on published equations relating CCI to chlorophyll content

    Take non-destructive measurements of relative chlorophyll concentration

    30

  • Chlorophyll Meter ratios transmission at 653 and 931 nm to approximate chlorophyll concentration.

    SpecificationsMeasured Parameters

    Ratio of optical transmission at 931 nm (50 nm half-bandwidth) divided by transmission at 653 nm (25 nm half-bandwidth)

    Measurement Area 71 mm2 0.95 cm diameter

    Resolution 0.1 Chlorophyll Concentration Index

    (CCI) unit

    Input & Output Mini USB port provided for main data

    transfer RS-232 port can be used as backup data

    transfer with software RS-232 port can also be used with GPS for

    integrated measurement

    Detectors Two silicon photodiodes with integral

    amplifiers

    Sample Acquisition Time 2 - 3 seconds

    Radiation Source Two LEDs

    Range 0 to 200

    User Interface 50 mm by 15 mm graphic display screen 8 keys for control and data manipulation Beep-signal for status and warnings

    Storage Capacity Internal datalogging of over 100,000

    measurements

    Temperature Drift Temperature compensated source and

    detector circuitry for minimum drift over full range

    Operating Temperature 0 - 50 C

    Input Power Standard 9 V alkaline battery (included)

    Mass 220 g (with battery)

    Warranty 1 year against defects in materials and

    workmanship

    Integrates a leaf area 10 times larger than the Minolta chlorophyll meter

    and is 2/3 the price.

    Designed to make measurements quickly and store them by the

    thousands.

    CCM-200 Chlorophyll Content Meter .......................................................

    Figure 1

    31 www.eicccontrol.com

  • Applications

    T-FACE: Temperature Free-Air Controlled Enhancement

    This type of experiment applies a heating treatment to open-field plant canopies, simulating models of future warmer conditions. Dr. Bruce Kimball of the Arid-Land Agricultural Research Center and colleagues design and operate such experiments. In 2005 they developed a proportionalintegrativederivative control system for controlling the rise in temperatures. Apogee Infrared Radiometers provided the data on control and heated plot temperatures.

    Dr. Kimball and his colleagues have developed hexagonal arrays of infrared heaters that produce uniform warming across 3-meter-diameter plots. The degree of warming is maintained using the proportional-integrative-derivative control system for controlling the rise in temperatures. Apogee Infrared Radiometers (housed in a white PVC pipe radiation shield in the photo) sense the canopy temperatures of the heated plots as well as unheated reference plots which are used by dataloggers to modulate the output of the heaters.

    Similar infrared warming experimentation using this design and Apogee Infrared Radiometer sensors are also underway in Haibei, Qinghai, China; Cheyenne, WY; Ely and Cloquet, MN; Urbana, IL; Lexington, KY, and several other places around the world.

    Kimball, B. A., 2005. Theory and performance of an infrared heater for ecosystem warming.

    Kimball, B.A., M.M. Conley, S. Wang, X. Lin, C. Luo, J. Morgan, and D. Smith. 2008. Infrared heater arrays for warming ecosystem field plots. Global Change Biology 14:309-320.

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  • Systems

    Measure photon and energy flux

    33 www.eiccontrol.com

  • Applications include:

    irradiance

    luminance

    transmission

    absorption

    detailed analysis of radiation sources and barriers

    Sp

    ect

    rora

    dio

    me

    ter

    A spectroradiometer measures the spectral (wavelength-dependent) intensity of radiation within a specific wavelength range. PS series spectroradiometers (manufactured by StellarNet, Inc.) measure ultraviolet, visible and near-infrared wavelengths. Three models are available for different wavelength ranges. PS series calibrations are traceable to an NIST-traceable calibration lamp.

    Detectors for PS series spectroradiometers are built by Apogee and feature a cosine-corrected castle design to accurately measure radiation at all incidence angles.

    PS series spectroradiometers come complete with all required components for portable use, including a carrying case.

    A computer is required to interface with PS series spectroradiometers in order to view measurements, download data and power the instrument. Required software is included.

    Measure photon flux and energy flux with half nanometer bandwidth resolution

    34

  • Figure 1

    Photons at shorter wavelengths have higher energy per photon. This graph demonstrates the relationship between photon flux measured in moles and energy flux measured in Joules.

    SpecificationsWavelength Range

    PS-100: 350 to 1000 nm PS-200: 300 to 850 nm PS-300: 300 to 1000 nm

    Base Unit Size PS-100: 15.5 x 9.5 x 4 cm PS-200: 15.5 x 11 x 8 cm PS-300: 15.5 x 11 x 8 cm

    Base Unit Mass PS-100: 500 g PS-200: 900 g PS-300: 900 g

    Detector 2048 pixel; 14 by 200 um

    microelement array

    Linear Range 0 - 2.1 absorbance units (< 0.5%)

    Exposure Range 4 milliseconds to 60 seconds (synoptic

    multi-channel)

    Integration Time Range 4 to 6500 ms

    Optical Cable 2 meters armored cable; cables are not

    interchangeable

    Wavelength Resolution 0.5 nm

    Wavelength Repeatability < 0.05 nm

    Wavelength Stability < 0.001 nm per degree C

    Dynamic Range 1 to 4096 counts ( 0.5%)

    Signal to Noise Ratio Up to 1000:1

    Warranty 1 year against defects in materials

    and workmanship

    PS-100 Spectroradiometer PAR/NIR (350-1000 nm) .................................PS-200 Spectroradiometer UV/PAR (300-850 nm) ....................................PS-300 Spectroradiometer UV/NIR (300-1000 nm) ..................................

    Accessories (pg 40)AS-001 Pre-programmed sub notebook computer ...................................AS-003 Reflectance probe .......................................................................AS-004 Reflectance standard ..................................................................

    35 www.eiccontrol.com

  • The clear sky calculator is a free web-based tool that estimates the intensity of shortwave radiation and photosynthetic photon flux, under a clear sky, falling on the Earths surface at any time of day in any location around the world. The calculator is primarily used to determine the need for recalibration of solar radiation and photosynthetically active radiation sensors. Radiation estimates produced by the calculator are most accurate near solar noon during summer months. In a recent study, calculator accuracy was reported to be 3 % when used under optimal conditions*; sensitivity to required input parameters was also reviewed in the study. The calculator is found at www.clearskycalculator.com.

    Cle

    ar

    Sk

    y C

    alc

    ula

    tor

    *ASCE Standardized Reference Evapotranspiration Equation. American Society of Civil Engineers. Reston, Virginia, USA. 2005.

    Determine the need for recalibration of radiation sensors

    36

  • Figure 1

    Figure 2

    Screen shot of ClearSky Calculator data entry screen.

    Solar radiation curve for summer day with clear sky shown for shortwave and photosynthetic radiation.

    37 www.eiccontrol.com

  • Applications

    Reflectance

    Dr. Glen Ritchie of the University of Georgia has used the PS-100 Spectroradiometer to take reflectance measurements in cotton fields and estimate defoliation.

    Chlorophyll gives plant leaves a reflectance spectrum characteristically different from that of soil. Reflectance measurements can be reported in mol m-2s-1, W m-2, or as a relative value.

    Ritchie, G.I., C.W. Bednarz, 2005. Estimating Defoliation of Two Distinct Cotton Types Using Reflectance Data. The Journal of Cotton Science, 9:182-188.

    38

  • Recalibration

    We offer sensor recalibrations for both Apogee products and those from other companies.

    Call or email our tech support to get information on recalibration or to get a RMA number to send in your sensors.

    Recalibration of Apogee Instruments sensors

    All self-powered sensors/meters ......................................................................................

    Amplified sensors .............................................................................................................

    Infrared sensors .............................................................................................................

    Spectroradiometers .......................................................................................................

    Recalibration of other companies sensors

    Silicon pyranometers or quantum sensors .......................................................................

    Black-body Pyranometers .............................................................................................

    Tech Support

    Phone: +34 916280817

    Email: info@eiccontrol.com

    39 www.eiccontrol.com

  • AC-100 Communication cable required for data download to a computer. Works with MP, MQ, MU and MO meters.

    AL-100 A mounting plate used to keep meters with remote sensors level. Works with sensors SP, SQ 100 & 200 Series, SU and meters in the 200 Series.

    AL-210 Leveling plate and mounting base for meters with integral sensors. Works with meters in the 100 series (meter not included).

    AO-001 The Diffusion Head is made for the Oxygen Sensor. The attachment is ideal for measurements made in soil.

    AO-002 The Flow-Through Head is made for the Oxygen Sensor. The attachment is ideal for in-line measurements.

    Accessories

    AS-003 Reflectance probe for spectroradiometer.

    AS-004 Reflectance standard for spectroradiometer.

    AS-001 Pre-programmed sub notebook computer for spectroradiometer.

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  • Ordering InformationMost products can be ordered at:

    For more ordering information contact:

    Company ContactEquipos Instrumentacin y Control SL

    C/ Fresno 1-bis - Urb. Prado Norte

    28110 Algete - Madrid

    Technical SupportFor technical information contact:

    +34 916280817 (Phone)

    +34 916280453 (Fax)

    Hours:

    9 AM - 6 PM

    Monday - Friday

    Ordering

    www.eiccontrol.com

    info@eiccontrol.com

    info@eiccontrol.com

    41 www.eiccontrol.com

  • Make better measurements