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Hazardous Area Humidity/Temperature Assembly Temperature Sensors


Minco Hazardous Area Humidity/Temperature Assembly

Models AH71_, AH72_, and AH73_ series are 2-wire temperature compensated humidity transmitters that are FM and CFM approved for use in hazardous locations. Intrinsically safe models are available with an optional temperature transmitter output. The AH73 is also available with an optional digital display for remote indication of relative humidity and temperature. The transmitters utilize a thin film capacitive humidity sensor which provides outstanding sensitivity and chemical robustness. The transmitter converts the humidity sensor’s signal into a 4 to 20 mA DC current, which changes proportionally from 4 mA at 0% RH to 20 mA at 100% RH. The optional temperature loop produces a second 4 to 20 mA DC output where the current changes from 4 mA at the lowest temperature of the range, to 20 mA at the top of the temperature range. The leads that supply power also carry the current signal.


• Accuracy of ±2.5% RH
• Temperature compensated
• Temperature output option
• Two-point field calibration
• NIST traceable calibrations


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Base Model #DisplayNormally
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AH711Without Display/CH106 HeadInquireConfigurator
AH721Without Display/XIH HeadInquireConfigurator
AH731With Display/XIH Window HeadInquireConfigurator

Mod Tronic Instruments Limited
1 Delta Park Blvd #12
Brampton, ON L6T 5G1
Phone: 905-457-6322 or 1-800-794-5883
Fax: 905-457-4716 or 1-800-830-7122
Brampton
Halifax
Regina
Edmonton
905-457-6322
902-422-0978
306-359-1476
780-459-2690
Montreal
Winnipeg
Calgary
Vancouver
514-848-7205
204-895-2038
403-236-2909
604-224-9547

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