GM33 CO Transmitter(Wall Type)
Model :
GM33
Features : Suitable for environment monitoring in light industry.
Sensor type : Electrochemistry CO Sensor
Measuring range : 0 ... 500 PPM
Output : 4 ... 20 mA + RS-485
Accuracy : ±3% F.S.
IP rating : IP65(Body) / IP20(Sensor)
Sensor type : Electrochemistry CO Sensor
Measuring range : 0 ... 500 PPM
Output : 4 ... 20 mA + RS-485
Accuracy : ±3% F.S.
IP rating : IP65(Body) / IP20(Sensor)
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Features● Electrochemical Sensor with a long life, good long term stability and high accurac
● It has lower sensitivity to interferant gases
● High repeatability -
ApplicationsMonitoring for HAVC / Air conditioning system / Instrument testing equipment / Environmental control and monitoring system / Ventilation system control for indoor parking garages and building
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Specification
Input
Sensor type
Electrochemistry CO Sensor
Measuring range
0 ... 500 PPM
Output
Output
4 ... 20 mA + RS-485
Signal connection
3-wire
Sensitivity
< ±10 PPM of measured value
Load resistance
≦ 500 Ω for 4 ... 20 mA；≧10 KΩ for 0 ... 10 V
Output calibration
Factory software calibration
Response time(t90)
< 60 s
Accuracy (at 25 ±2°C, 40 ±10%RH)
CO
± 3 % of F.S. (Best zero-point )
Environment
Medium
Non-aggressive gas (HAVC system)
Medium temperature
0 ... 50°C
Operating temperature
0 ... 50°C
Operating humidity
5 ... 95%RH (Non-condensing)
Storage temperature
-10 ... +60°C
Tolerance of zero-point
<±10 PPM
Electrical
Power supply
AC 12 ... 30 V & DC 8 ... 35 V
Current consumption
DC 24 V : 60 mA / DC 12 V : 180 mA
AC 24 V : 140 mA / AC 12 V : 230 mAElectrical connection
M12 (5P) connector (With 2 m cable)
Installation
Installation
Wall type
Fixed seat
Screw on base
Protection
IP rating
Body : IP65 / Sensor : IP20
Electrical protection
■ Reverse polarity
■ Over-voltage
■ Short-circuitCertification
Certification
CE
Material
Housing
PC(UL94V-2)
Weight
162 g
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.