10 Vaisala Product Catalog 2005 Ref. B210435en rev. A The HMT330 transmitter family has the solution for demanding industrial humidity measurements. HMT330 Series Humidity and Temperature Transmitters for Industrial Applications The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 is designed for demanding industrial applications where stable measurement and wide customization possibilities are important. Vaisala HUMICAP ® performance The HMT330 series incorporates Vaisala’s 30 years of experience in industrial humidity measurement. The sensor measures accurately and reliably and is immune to particulate contamination and most chemicals. Chemical purge minimizes effects of contaminants In environments with high concentrations of chemicals and cleaning agents, chemical purge helps to maintain the accuracy between calibration intervals. Chemical purge involves heating the sensor to remove harmful chemicals. The function can be initiated manually or programmed to occur at set intervals. Features/Benefits • Six models for demanding industrial applications • Full 0...100 %RH measurement, temperature range up to +180 °C (+356 °F), depending on model • Pressure tolerance up to 100 bar (depending on model) • Vaisala HUMICAP® Sensor for excellent accuracy and stability • Shows measurement trends and 1-year history graphically • Multilingual user interface • Excellent performance in harsh chemical concentrations • Corrosion resistant IP65 housing • NIST traceable (certificate included) Graphical measurement trend and history display The HMT330 can be ordered with a large numerical and graphical display, allowing the user to easily monitor measurement trends and 1-year history. Data collection and transfer to PC The recorded measurement data can be viewed on the display or transferred to PC with Windows®-based software. Many ways to install Mains and DC power options, and several mounting accessories make it easy to install the instrument. Versatile outputs The HMT330 can have up to three analog outputs. Galvanic isolation of supply power and analog outputs is also available. For digital communication, the RS-232, RS-485 or relay outputs can be used. Flexible calibration The HMT330 instruments are factory- calibrated at six humidity points. A quick one-point field calibration can be performed with the hand-held HM70 meter. A two-point calibration can be performed with the HMK15 salt bath calibrator in a controlled environment. The transmitter can be sent to Vaisala for recalibration. Accredited calibrations and maintenance contracts are also available. The display shows measurement trends and history up to 1 year.
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Vaisala HMT330 Humidity and Temperature …...Vaisala Product Catalog 2005 13 Ref. B210435en rev. A HMT333 Humidity and Temperature Transmitter for Ducts and Tight Spaces Features/Benefits
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10 Vaisala Product Catalog 2005Ref. B210435en rev. A
The HMT330 transmitter family has the solution for demanding industrial humiditymeasurements.
HMT330 Series Humidity and TemperatureTransmitters for Industrial Applications
The Vaisala HUMICAP® Humidity and
Temperature Transmitter Series
HMT330 is designed for demanding
industrial applications where stable
measurement and wide customization
possibilities are important.
Vaisala HUMICAP®
performanceThe HMT330 series incorporates
Vaisala’s 30 years of experience in
industrial humidity measurement. The
sensor measures accurately and
reliably and is immune to particulate
contamination and most chemicals.
Chemical purge minimizeseffects of contaminantsIn environments with high
concentrations of chemicals and
cleaning agents, chemical purge helps
to maintain the accuracy between
calibration intervals.
Chemical purge involves heating the
sensor to remove harmful chemicals.
The function can be initiated manually
or programmed to occur at set
intervals.
Features/Benefits• Six models for demanding
industrial applications
• Full 0...100 %RH measurement,temperature range up to +180 °C(+356 °F), depending on model
• Pressure tolerance up to 100 bar(depending on model)
• Vaisala HUMICAP® Sensor forexcellent accuracy and stability
• Shows measurement trends and1-year history graphically
• Multilingual user interface
• Excellent performance in harshchemical concentrations
• Corrosion resistant IP65 housing
• NIST traceable (certificateincluded)
Graphical measurement trendand history displayThe HMT330 can be ordered with a
large numerical and graphical display,
allowing the user to easily monitor
measurement trends and 1-year
history.
Data collection and transferto PCThe recorded measurement data can
be viewed on the display or transferred
to PC with Windows®-based software.
Many ways to installMains and DC power options, and
several mounting accessories make it
easy to install the instrument.
Versatile outputsThe HMT330 can have up to three
analog outputs. Galvanic isolation of
supply power and analog outputs is
also available. For digital
communication, the RS-232, RS-485 or
relay outputs can be used.
Flexible calibrationThe HMT330 instruments are factory-
calibrated at six humidity points.
A quick one-point field calibration can
be performed with the hand-held
HM70 meter.
A two-point calibration can be
performed with the HMK15 salt bath
calibrator in a controlled environment.
The transmitter can be sent to Vaisala
for recalibration. Accredited
calibrations and maintenance
contracts are also available.
The display shows measurement trends andhistory up to 1 year.