SOLUTION in GAS SENSOR & APPLICATIONS 2011
Oct 02, 2014
SOLUTION in GAS SENSOR & APPLICATIONS
2011
CEO MessageThough our country, Korea has an excellent competitiveness based on the technology even in the global endless competition days, the dependence on the advanced countries is a as high as what it could be said to be technically governed in the gas sensor and gas safety equipment industry.The gas sensor technology which could create the high additional value grafting with another industries, is one of the prospective technology which are growing very fast, as the environment and safety are being highly concerned.Senko Co., Ltd had developed sensors of the carbon monoxide, hydrogen sulfide by our own technology, starting the oxygen sensor, We had also developed to produce the gas safety equipment and its system such as the portable gas detector in the industrial field. We have been doing our best to localize the Korean domestic market which dominated by foreign countries’ products as well as to develop the oversea market.We will do our every possible efforts to be together wherever with our customer and surely stand based on the venture enterprise spirit in the industrial safety gas equipment area which the domestic enterprise never concerned, We are trying to develop the more efficient, convenient products for the customers, using the new technology as well as the conventional gas safety equipment.We will establish the strategic partnership with the excellent institute/enterprise who have the technical competitiveness in another industries We will be born again to focus to develop the new product of the high additional value technically fused through the co-research based on this partnership.Being one family based on the mutual trust to become the world wide company, we will found the business culture which all staffs could do our best. We promise to show our customers our efforts to do our best for the customer satisfaction. Please watch us with the friendly warm view.Thanks.
SENKO C.E.O HA SEUNG CHUL
C o n t e n t sPortable Single Gas Detector 6
Portable Multi Gas Detector 7
Sampling Pump/ Charger 8
Portable LPG/LNG Detector 9
Portable Gas Leak Detector 10
Wireless Gas Detector 11
Controller For Fixed Gas Detector 12
Wireless Gas/ Fire Monitoring System 13
Wireless Odor Gas Monitoring System 14
Controller For Wireless Gas Detector 15
Wireless Gas Detector/ Wireless fire detector 16
Combustible Gas Leak Detector 17
Gas Detector & Shut-Off Valve For Home Safety 18
Breath CO Monitor 19
Gas Sensor 20
Gas Sensor Module 22
Gas Sensor List 23
Better safety,
Better life,
Challenge,
InnovationHuman beings, environment and
technology in harmony
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SP 2nd is an economical gas detector that can be operated continuously for two years without replacement of gas sensor to protect workers from the disasters caused by the oxygen deficiency or toxic gas poisoning. Measure one gas continuously and display its concentration and raise an alarm when a risk occurs.
Portable Single Gas Detector (SP 2nd )Features•Rubber material case for the shock protection
•The excellent water proof/dust proof structure
•High performance audible, visual, vibration alarm
•Setting 1st, 2nd alarm
•Automatic checking of the sensor trouble
SpecificationMODEL SP2217 SP2227 SP2257 SP2277 SP2297
Detecting Gas O2 CO SO2 H2 H2S
Detecting Range 0~30% 0~1000ppm 0~100ppm 0~1000ppm 0~200ppm
Sensor Type Electrochemical
Sampling Method Diffusion
Display Digital LCD
Audible Alarm 90dB
Visual Alarm Red LED & White back light
Vibrator Alarm Vibrator
Power CR2 battery
Operating temp. & Humi. -20 ~ +50, : 10% ~ 95% RH (non - condensing)
Explosion proof : II1G Ex ia IIC T4 IP67
Case Clear polycarbonate with thermal-plasticelastic (TPE) overmold.
Standard Accessories Belt Clip, Calibration Cap
Option Pump for gas sampling
Dimension 54(W) x 91(H) x 32(D)mm
Weight 120g(with battery)
SpecificationMODEL SP12C7
Detecting Gas O2 CO H2S EX
Detecting Range 0~30% 0~1000ppm 0~200ppm 0~100%LEL
Sensor Type Galvanic Electrochemical Electrochemical Catalytic
Sampling Method Diffusion
Display Digital LCD
Audible Alarm 90dB
Visual Alarm Red LED & White back light
Vibrator Alarm Vibrator
Power Rechargeable NI-MH battery pack , Alkaline battery 2ea
Operating temp. & Humi. -20 ~ +50, : 10% ~ 95% RH (non-condensing)
Explosion proof EEx ia IIC T4
Case Clear polycarbonate with thermal-plastic elastic(TPE) over mold
Water/Explosion proof : II1G Ex ia IIC T4 IP67
Option External pump
Dimension 54(W) x 135(H) x 36.5 (D)mm
Weight 240g
Portable Multi Gas Detector (SP12C7)Features• Simultaneously check 4 different gases (methane, oxygen,
carbon monoxide, hydrogen sulfide)•Explosive proof structure for the safety•Rubber material case for the shock protection•External pump and probe installation•Automatic light on when alarming•Both rechargeable battery and alkaline battery are compatible•The excellent water proof/dust proof structure•High performance audible, visual and vibration alarm•Setting High, Low, STEL and TWA alarm
SP 12C7 is an united gas detector measuring four (4) major gases, which resultthe most of the industrial accidents, to protect workers from the disasters caused bythe oxygen deficiency , toxic gas poisoning and gas explosion. Measure continuously four (4) gases (O2, CO, H2S and CH4) and display their concentrations and raise an alarm when the risk occurs.
SP 12C7 is provided with stationary type charger as a basic package for theconveniences in use and alkaline battery pack is also provided as a basic foremergency use.
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Sampling pump is designed to be used by connecting to SP 12C7 and SP 2nd model.Can be used to check if there is gas leakage when measure the gas underground manhole.
SP- charger 201 is provided with SP 12C7 as a basic package
SP secure LEL is designed to be suitable for leak detection of combustible gases from pipes, valves and any joint automatic gas sampling. Since the measured gas concentration is displayed in digital number, accurate measurement is possible.
Sampling Pump (SP-pump 101)Features•Simple structure to install locking•Excellently durable industrial pump installed•Automatic checking of chocking
SpecificationPower DC 10~32V MAX 1A
Operating time NI-MH battery
Operating temp. & Humi. -20 ~ + 50, 0 to 95% RH
Dimensions 106mm(W) x 85.5mm(H) x 115 mm(D)
Weight 190g
SpecificationMODEL SP Secure LEL
Detecting Gas methane, propane
Sampling method Internal sampling pump, flow rate 0.5 liter/min.
Sensor type Catalytic
Detecting range 0 ~ 100%LEL
Response time 5 seconds
Resolution 50ppm
Display Digital LCD (Alarm, Buzzer, Pump On-off and battery status)
Alarm Buzzer alarm and LCD display
Gas concentration display
0~1% LEL digital bar 1~100% LEL numerical display
Explosion ProofSensor : EX d IIC T6
Detector : EX ia IIC T4
Operating temperature -20 ~ 50
Power Recharger or AA Alkaline battery 3ea
Continuous operation More than 12 hours
Dimensions 55m(W) x 241mm(H) x 33 mm(D)
Weight 260g
Options Extension Probe and charger adapter
Portable LPG/LNG Detector (SP secure LEL)Features•Sampling pump built in structure
•On-Off function for the pump and buzzer
•The digital concentration display
•Explosive proof structure for the safety
• Both rechargeable battery and alkaline battery are compatible
Charger (SP-charger 201)Features•The handy stationary charger• With one electric sources, several chargers can
be used simultaneously•Electric source and charging status LED
SpecificationPower AA size Alkaline battery 1ea
Operating time More than 5 hours
Operating temp. & Humi. -20 ~ + 50, 0 to 95% RH
Sampling flowrate 0.5 liter / min
Self Checking Low flow alarm, Low battery alarm (Red LED)
Dimensions 34(W) × 270(H) × 47 (D)mm
Weight 200g (with battery)
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SP securePlus is designed to be suitable for leak detection of any gas piping and valves by equipping a built-in sampling pump.Since the measured gas concentration is displayed in digital number, accurate measurement is possible.
Portable Gas Leak Detector (SP securePlus)Features•Detector for the gas leakage
•Adopt the sensor which detect the low concentrated
•No interference with the other flammable gas
•Sampling pump internally installed structure
•On-Off function for the pump and buzzer
•Rechargeable battery is compatible with alkaline battery
SpecificationMODEL SP SecurePlus
Detecting Gas Hydrogen, Xylene etc.
Sensor type Electrochemical, IR etc.
Sampling method Internal sampling pump, flow rate 0.5 liter/min
Resolution Depend on sensor type
Response time Depend on sensor type
Resolution Depend on sensor type
Display Digital LCD (Alarm, Buzzer, pump on-off and battery status)
Alarm Buzzer alarm and LCD display
Gas concentration display
Low concentration : digital barHigh concentration : numerical display
Explosion Proof Ex ia II C T4
Operating temperature - 20˚C ~ 50˚C
Power Recharger or AA Alkaline battery 3ea
Operating time Depend on sensor type, 12 ~ 24 hours
Dimension/ weight 55m(W) x 241mm(H) x33 mm(D) / 260g
Options Extension probe
SI-100 is a fixed gas detector installed in a place where potential gas hazard exists to measure oxygen, toxic gas and combustible gas.
It shows not only the concentration of gas but also diagnostic result of the unit itself through the LCD display and can be connected to the controller with a standard 4-20mA analog output communication or RS-485 digital communication.
SpecificationMODEL SI-100
Sampling Method Diffusion Type
Measuring value display
Digital LCD (Blue Backlight)
Detecting gas Combustible Gas Toxic Gas
Sensor type Catalytic IR Electrochemical Galvanic
Detecting range 0 - 100% LEL 0 - 100% LEL Refer to page 23 0 - 30% Volume
Accuracy ± 3% / Full Scale
Setting & control Magnetic interface to configure alarm & calibrations
Alarm signal 1st alarm, 2nd alarm, Relay contact (30V, 2A)
Output signal Analog : 4-20mA Digital : RS-485 Modbus
Telemetering line length
Analog output MAX. 2,500m Digital output MAX. 1,000m
Operating temp. & Humi. -20 to 50 : 10 to 95% RH (Non - condensing)
Power 10~30V DC
Dimensions 150(W) × 165(H) × 110(D)mm
Weight 1.8 kg
Explosion Proof Ex d IIC T5, IP65
Fixed Gas Detector (SI-100)Features • SI-100 measures the concentration of the
flammable gas, toxic gas, oxygen and display with LCD
•Easy magnetic bar operation•Big digital LCD installed with a blue backlight•Explosive proof structure •Water/dust proof structure•Simple gas calibration
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Connecting controller with a fixed gas detector, you can control gas detectors outside of hazardous place.
Single or multi-channel controller is available.
According to the customer requests, we provide the gas monitoring system based on the most proper wireless sensor network to the local situation. Grafting the gas sensor technology to the wireless communication technology, it can overcome the limitation of the time and space.This technology can be applicable with the any fields which the gas sensor is needed so that it might replace the conventional wire gas monitoring system. Through the detector installed in the local, you can control the sensing data at the central center. You can transfer these data through the commercial wireless internet, SMS service and any other wireless communications.Adopting the bi-directional communication technology, you can perform to upgrade thesoftware of all detectors at the central center so that it is convenient to do the maintenance and upgrade software.
Controller For Fixed Gas Detector (Multi-channel)(SI-100)Features•Receiving part for the flammable gas detector, toxic gas detector and oxygen detector
•Composed with the communication unit, alarm unit and spare electric source unit
•Easy expandable with the rack type
•Communication design is allowable to the requirement with 4-20mA or RS485 communication
•Self test function
•Interlocks of the breaker, alarm light and ventilation system through the relay
Specification Multi-channel Controller
MODEL SI-COMMON UNIT SI-CHANNEL UNIT
Operate displayLEDs (Power, 3-alarm, Trouble Buz. Stop, PC communications, channel communications)
LEDs (Power, 3-alarm, Trouble) Stand-by(test)
Concentration display 4-Digit FND & Bar-Graph
Detecting range Refer to page 23 (%LEL, ppm, % Vol)
Alarm Power, Alarm, sensor fail LEDsBuzzer( Audible alarm)
3-Alarm, Trouble LEDs
Alarm output signalConcentrations alarm, Trouble AlarmAC250V/5A relay contact
Concentrations Alarm, Trouble Alarm AC250V/5A relay contact
Alarm level set Programmable within detection range
Input signal 4 - 20mA DC (2 wire or 3 wire)
Output signal RS - 485 Modbus(option) 4 - 20mA DC
Alarm recover Reset switch & PC control Reset switch
Program set mode
Alarm value & type (1, 2, 3 alarm)Alarm time (instant & delay (1~30 min))Alarm dead band Relay output on/off
Operating temp & Humi. -20 ~ +50, 0 ~ 99%.RH (non - condensing)
Power AC 110 / 220V
Backup power(Battery) 24V DC / 600mA, 1300mA (option)
Backup UNIT (option)
SpecificationApplications
Industrial Safety
Wireless monitoring system for protect from industrial gas accident.Wireless monitoring system to control a working environmentOxygen monitoring system to prevent death from suffocationThe leakage of gas pipe line monitoring systemGas monitoring system in mines
Indoor Air IAQ monitoring system for Green Building
OceanOcean's environment monitoring systemPollution (DO, pH, etc) of river monitoring system
Public spacesAir quality monitoring system in public spaces (theater, hospital etc)Air quality monitoring system of the underground stationGas monitoring system of tunnel
Wireless Gas/ Fire Monitoring SystemFeatures
System configuration chart
Environment sensor node Data processing room
Sensor operation board
Gas/Fireserver
Integration control server
Gas/Firesensor
ZIGBEEcommunication
ZIGBEEcommunication
ZIGBEEcommunication
L3 B/B S/WGas/Firesensor
Gas/Firesensor
Gas/Firesensor
Gas/Firesensor
Gas/Firesensor
Sensor operation board
Sensor operation board
Sensor operation board
Sensor operation board
Sensor operation board
Environment sensor node
Environment sensor node Environment sensor nodeEnvironment sensor node Environment sensor node
Zone 1 installation area
Zone 2 installation area Zone N installation area
InstallationPicture
Zone 1
Zone NController for Wireless gas detector
(Gateway)
Zone 2
Confined space
Confined space
Confined space
Wireless repeater
Wireless repeater
Wireless O2 detector
DB server
Administrator 1 Administrator 2
Integration Control server Backup
server
O2 Monitoring
Wireless O2
detector
Wireless O2
detector
Wireless O2
detector
Monitoring system for confined space Monitoring system for environment and safety
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Index Specifications
CorePlatform
ARM S3C6410 (633MHz)
MemoryDDR2 SDRAM 128 MB(533MHz)
H/W
Serial 64 MB NAND Flash (Max 1GB)
USB 3 port (include console 1 port)
WLANHigh speed USB 2.0 2 port(host controller)
CDMA USB I/F Wireless-LAN Module
UI USB / RS 232c interface
SD card 5.7 “ Graphic LCD, 1024x768
OS 1GB or 2GB
S/W
File system Linux kernel 2.6 version
ApplicationSerial sensor I/F TCP transfer socket programLCD Display Qt program
Device driverUSB WLAN Serial I/F CDMA
Feature and type of odor detectorMODEL SP-odor201
Sensor Adjustable with the customer requirement
Detecting range Adjustable with the customer requirement
Power 220V Power supply or Solar cell power supply
Odor degree Reflection of legal odor category
Communication 422Mhz, 2.4Ghz radio frequency
Lamp Power supply check lamp
Case Water/Dust proof structure and corrosion proof material
Option Amemovane (automatically work when it is connected)
Picture of installation of odor monitoring systemAPPLICATION IMAGE
Controller For Wireless Gas Detector (SP-gateway10)FUNCTION•G/W specialized in the wireless gas detector(SL-series)•Collecting radio data•Being able to add the alarm equipment such as warning lights or buzzers•Applying the case with the explosive proof type•Function to send radio data to the server•Operating with low power supply•Various communication interface•Touch panel LCD •Installing SD card and nonvolatile inside memory •Data process and management software
Wireless Odor Gas Monitoring SystemFeatures• The sensors possible to detect low-concentration odor gases
with the range of ppb
• The algorithm of odor degree developed by customizing process of odor category
•The calibration function of each gas sensor
• The data memory function with SD card installed inside of odor detector
• The easy exchangeable filter at the in-flowing gas gate on the front door to maintain inside temperature
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Wireless Gas Detector (SL - 101)Features• Easy Installation/removal because no wiring works are
required • Economic system which doesn't require any wiring
construction•Explosion proof structure•Water/Dust proof structure • Same functions with Fixed Gas Detector working with
wiring electrical power source•Tracking is possible with its own address•Maintenance and Replacement are simple
Wireless Fire Detector (SP-12F7)Features•Easy to install •Easy to Adjust the position•No wiring works of electrical source and communication•Tracking is possible with its own address•Maintenance and Replacement are simple
SI-560 is a simple combustible gas detector consisted of sensing unit and controller.As a gas detector installed around the piping or valves where the risk of gas leak exist,this is an entry-level product of modest price.
SpecificationMODEL SI560
Detecting gas methane/propane
Detecting range 0~100% LEL
Sensor type Catalytic
Sampling method Diffusion
Response time 15 sec / T90
Accuracy ± 3% / Full Scale
Power 18~31V DC (24V DC normal)
Output 4 - 20mA
Operating temp. & Humi. -20 ~ +50 : 0% ~ 95% RH (non - condensing)
Explosion proof Ex d IIB T4
Dimensions 130mm(W) × 107mm(H) × 73mm(D)
Weight 0.6 kg
SpecificationMODEL SL-101
Measuring type Diffusion Type
Measuring value display Digital LCD
Detecting gas Combustible Gas Toxic Gas Oxygen
Sensor type Catalytic IR Electrochemical Galvanic
Detecting range 0 - 100% LEL 0 - 100% LEL Refer to page 23 0 - 30% Volume
Accuracy ± 3% / Full Scale
Setting & control Setting from control center or site(field)
Communication lengthamong sensor nodes MAX. 300m
Operating temp. & Humi. -20 to 50 : 5 to 95% RH (Non-condensing)
Power and battery life time 3.6V battery 4ea / more than 6~12 months (IR or Catalytic need regular power)
Radio Frequency 433MHz, 914MHz, 2.45GHzg
Dimensions 150(W) × 165(H) × 110(D)mm
Weight 1.8 kg
Explosion Proof Ex d IIC T5, IP65
Gas Leak Detector (SI-560)Features•Explosion proof structure
• Long distance communication with 4~20mA analog output
•Simple structure, reasonable price.
Features• Display combustible gas concentration as
%LEL
•Easy to operate
•High audible buzzer alarm
•Self diagnostic function
• Relay output for an extra alarm, shut-off valve etc. Controller
Detector
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Gas Detector & Shut-Off Valve For Home Safety (SH 1362 SET)FeaturesGas monitoring system for home safety composed of gas alarm, controller and shutoff Device. If the gas is leaked from the gas valve or gas pipe, the gas detector detects gas leaks and sends the signal to the controller. The controller exams the signal and then send again to the shutoff device, and finally shutoff device operate to close the gas valve to prevent gas explosion.
SpecificationDetecting range 0~100ppm or 0~500ppm
Sensor type Electrochemical
Accuracy ±2% or 1ppm/ month
Sensor drift 1% / month
Cross sensitivity (Hydrogen) 5~10%
Sensor life time 2~5years (max. 5 years)
Resolution 1ppm
Calibration Zero / span
User mode Adult / Adolescent
Countdown 15 seconds
Sound On / Off
Operating Temp. & Humi. 0 ~ 40/5~95%
Mouthpiece adapter D type bacteria filter
LCD size 50x30mm
LED indicator 7 steps (Green/amber/red)
COHb% LCD display
Power AAAlkaline battery 2ea
Dimensions 70 × 150 × 32mm
Weight 160g
Disposable mouthpieces 22mm
Breath CO Monitor (BMC-2000) Features• Non-Invasive method to know how much carbon
monoxide(CO) poisoned• Indirect and simple instrument to measure
carboxyhemoglobin(COHb) in blood•Easy to discriminate smoker •Easy to recognize the degree of CO poisoning (smoking habit)•Two language (English, Korean) are provided•CE certificate of European medical equipment • Concentration of CO in breath and percentage of
COHb in blood are displayed simultaneously•Adult/Pregnant/Young mode are provided
SpecificationMODEL SH1362Power DC12V ± 20%
Detecting gas LPG, LNG
Detecting indication Flashing Yellow LED and Buzzer
Alarm concentrationsLPG(600ppm ~ 4,500ppm)LNG(600ppm ~ 12,500ppm)
Power consumption 1.3W
Alarm output DC 8V ~ 12V(when it is alarming)
Operating temp. & humi. -20°C ~ 50°C / 0% ~ 95%RH
Dimensions 85 × 75 × 30 mm
Weight 80g
MODEL SH1362CPower AC 220V, 50/60Hz
Operating Automatic signal control/manual shut off control/manual return
Shut-off time 15 ~ 25 seconds
Open/close indicatorOpen lamp (green LED)
Close lamp (yellow LED
Gas leak indicator Flashing yellow & Buzzer
Dimensions 75 × 105 × 45 mm
Weight 350g
MODEL SH1362SPower DC 12V
Operating Automatic, Manual
Dimension 60 × 130 × 150 mm
Weight 350g
SH1362 SH1362C SH1362S
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Gas Sensor
Oxygen sensor SS1118 (0~100%) • With high concentrated oxygen measuring
sensor, only for the Oxygen generator and medical sensor
•Measure the oxygen's pressure in the air
Oxygen sensor SS2118 (0~30%) •Asthemeasuringsensoroftheoxygenintheair, suitable for the portable equipment and industrial equipment
•Excellent accuracy and response time
Carbon monoxide sensor SS1128 • Fire monitoring application for the portable
equipment, industrial safety equipment, boiler room, parking place
• Excellent stability of the output signal and little affected by other gases
Hydrogen sensor SS1178 • Suitable to monitor the power plant,
hydrogen fuel battery, hydrogen tank, hydrogen leakage and processes
• Minimize the interference on the hydrogen sulfide
Ammonia sensor SS11N8 • Suitable to monitor the livestock waste,
food decay, ammonia leak, and processes
• Comparing the competitor's product, much faster response
Hydrogen sulfide sensor SS1198• Suitable to monitor the petrochemical, oil refining, waste water treatment, drain
water treatment, manhole, mining
IR sensor• Gas measuring Sensor only for the
flammable gas and carbon dioxide, nitrogen dioxide
• The Infrared sensor which has Very fast response and excellent accuracy can measure the flammable gas in the non-oxygen space
SpecificationMODEL SS1118 SS2118 SS1128 SS1198 SS1178 SS11N8 IRsenor
Detecting Gas Oxygen OxygenCarbon
monoxideHydrogen
sulfideHydrogen Ammonia
HydroCarbon, CO2
etc
Nominal Range 0~100% 0~30% 0~1,000ppm 0~500ppm 0~1,000ppm 0~50ppm 0-5% Vol.
Maximum Overload - - 2,000ppm 1,000ppm 2,000ppm 200ppm 0-100%
Expected OperatingLife (years)
18 month 2 2 2 2 2 5
Output Signa 6.0±1.0mV90±20@
/20.9%Oxygen60±15nA/
ppm0.60±0.15
/ppm15±10/ppm
100±20nA/ppm
0-2.8V DC
Resolution 0.1% 0.1% 1ppm 0.1ppm 2ppm 0.5ppm 0.5%
Temperature Range -10to50 -20~50 -20~50
Pressure Range Atmospheric ±10%
T90 Response Time ≤15 sec ≤15 sec ≤15 sec ≤30 sec ≤30 sec ≤150 sec ≤30 sec
Relative Humidity Range
15~90%RH 0~90%RH
Typical Baseline Rang - - -2 to 3ppm-0.1 to 0.5ppm
0 to 30ppm 0 to 10ppm 0 to 10ppm
Maximum Zero Shift(+20 to +40)
- - -2 to 3ppm0.2ppm
equivalent-20ppm
equivalent10ppm
equivalent10ppm
equivalent
Long Term Output Drift
Less than 5%/year
Less than 5%/year
Less than 5%/year
Less than 5%/year
Less than5%/month
Less than10%/month
±1%FSDpermonth@20°C
Recommended LoadResistor
- 100Ω 10Ω 10Ω 10Ω 10Ω -
Bias Voltage Not required Not required Not required Not required Not required +0.3V Bias -
Repeatability 2% of signa 2% of signa 2% of signa 2% of signa 2% of signa 10% of signal -
Output Linearity Linear
Weight 7g 18g 6g 6g 6g 6g 15g
Position Sensitivity None
Storage Life 6 month
RecommendedStorage Temperature
0~20
Warranty Period 2 years 2 years 2 years 2 years 2 years 1 years 2 years
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Gas Sensor Module (Transmitter)FeaturesGenerally, the gas sensor could be divided as 4 kinds such as the electric chemical type, the semi-conductor type, the optic type, the catalyticThe application of each sensor type is quite different.It is important to adopt the proper gas sensor depend on the gas type, environmental factor in the using area, sensing range, resolving ability, cost, etc.Senko Co., Ltd is trying to provide the most proper gas sensor and modules depend on customers" requests, keeping lots of the technology development and Know How related with the gas sensor.
SpecificationSensor type Electrochemical Metal oxide Optical Catalytic
Sensor type -20~50 0~60 -20~50 -30~150
Operating temp.
High High Medium Medium
Sensitivity High High Medium Medium
Cost Expensive Cheap Expensive Medium
Power consumption
Low Moderate Moderate
ApplicationsIndustrial safety/
EnvironmentAir Quality
Atmosphere environment analysis
Flammable/Combustible gas
Detecting gases
O2, CO, H2S, SO2 etc.Alcohol detector, CO
etcHC, H2S, SO2, O3 etc. CH4, C3H8
Gas Sensor List
Development Project
•The carbon dioxide sensor module sequenced with the air conditioner•The smell sensor module for home appliance ( TVOC sensor adopted•Hydrogen detecting module for the fuel battery•Electric sensor transmitter only for the electric chemical sensor type•Ozone sensor module•Concentrated Oxygen Sensor Modules for the Oxygen Generator•Concentrated Odor sensor module •Module related with the electronic nose
※ Contact the technical sales team of Senko Co., Ltd([email protected]) for development consultation and details.
SpecificationGas Type Detecting
rangeSampling method
PermissibleStandards LEL(%Vol) Specific
Gravify
O2 0-30% Electrochemical 19.5%-23.5% - 1.11
CO 0-1,000ppm Electrochemical 25ppm 12.5 0.968
H2S 0-500ppm Electrochemical 10ppm 4.3 1.19
SO2 0-20ppm Electrochemical 2ppm - 2.26
H2 0-1,000ppm Electrochemical - 4% vol 10.07
NH3 0-50ppm Electrochemical 25ppm 15 0.6
Cl2 0-100ppm Electrochemical 1ppm - 2.49
HCl 0-30ppm Electrochemical 5ppm - 1.27
HCN 0-100ppm Electrochemical 10ppm 5.6 0.941
O3 0-2ppm Electrochemical 0.1ppm - 1.65
NO 0-1,000ppm Electrochemical 25ppm - 1.53
NO2 0-150ppm Electrochemical 3ppm - 1.58
PH3 0-20ppm Electrochemical 0.3ppm 1 1.18
SiH4 0-50ppm Electrochemical 5ppm 1.35 1.11
CO2
0-15,000ppm NDIR
5000ppm - 1.50-500ppm
up to 0-5% Vol
Hydrocarbons 0-100% Vol IR - - -
C4H10 0-2% Vol IR - 1.86 2.00
C2H6 0-3% Vol IR - 3.00 1.00
CH3CH2OH 0-5% Vol IR - 3.60 1.60
C2H4 0-3% Vol IR - 2.75 1.00
C2H4O 0-3% Vol IR - 3.00 1.50
CH3(CH2)4CH3 0-1% Vol IR - 1.20 3.50
CH40-5% or
0-100% VolIR - 5.00 0.55
C-H3Br 0-25,000ppm IR - 10.00 3.30
N2O0-1000ppm
up to 0-1% VolIR 50ppm - 1.53
C5H12 0-2% Vol IR - 1.5 2.5
CH3CH2CH3 0-2% Vol IR - 2.20 1.50
※ Contact the technical sales team of Senko Co., Ltd([email protected]) for other sensors and details.