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ARH950 : Humidity / Temperature Transmitter
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ARH950 Series

ARH950 Series Wall/Duct mount Humidity and Temperature Transmitter is the most versatile transmitter in the market.
ARH950 combines high accuracy, stability and reliable operation, making these products the ideal choice for demanding applications.

FEATURES

 ● Two Line LED (LCD) display, directly read the RH & temperature
 ● Accuracy up to +/-2%RH
 ● DIP switch selectable signal input of Temperature
 ● 4 wire, 4-20mA x 2 for both Humidity & Temperature output
 ● Small, light and easy to be installed
 ● Full 0 - 100%RH measurement
 ● RH 0.1%, Temperature 0.1 oC Resolution
 ● 8 seconds fast response time

SPECIFICATION

Measuring Range:Display:
Relative HumidityRH 0.0 ~ 99.9% LED (LCD)
0 ~ 100%RHTemperature +/- 99.9 oC
TemperatureOutput:
0~50 / -20~+80 / -40~+60 oC (DIP Switch)Relative Humidity
Accuracy:4-20 mA
Relative HumidityTemperature
+/-2%RH @ 25 oC4-20 mA
TemperatureLoad
+/-0.3 oC @ 25 oCRohm=(VDC-12) x 50
Resolution:Response Time:
Relative Humidity8 seconds
0.1%RHTurn on Time:
Temperature3 Seconds
0.1 oCPower Supply:
Repeatability:9-36VDC
+/-0.1% typicalPower Consumption:
Humidity Drift:<50mA @24VDC
<0.5%RH/YearElectrical Connections:
Temperature Drift:PG9 Conduit Threads (Duct Mount)
<0.1 oC/YearScrew Terminal Block (Wall Mount)
Operating Temperature:Screw Terminal:
-20 oC to 70 oC0.5 to 1.5 mm2
Storage Temperature:Dimensions:
-10 oC to 60 oCDuct Mount
Storage Humidity:83mm(L) X 83mm(W) X 250mm(H)
0% to 90%RHWall Mount
Material:100mm(L) X 83mm(W) X 23mm(D)
Electrical HousingWeight:
ABS (Duct) / PC (Wall) ARH950-D
Aluminum Alloy (Duct, IP65)146 g
ProbeARH950-W
ABS(Duct), S.S.316 (Duct,IP65)83 g
FlangeARH950-P
PC (Polycarbonate)810 g
Sensor HousingEMI/RFI Effect:
PC (Polycarbonate)Follow SAMA PMC 33.1 from 20 to 1000
Protection Class:MHz and for field strengths up to 30V/m
Duct MountVibration Effect:
IP54 / IP65+/-0.1% of Full Scale Per g to 200Hz in
Wall Mountany axis
IP44

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