HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

HHT Hazardous Area Humidity/Temperature Transmitter

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P/N#: HHT, HHT-EU, HHT-IT-LCD

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The Series HHT Hazardous Area Humidity/Temperature Transmitter takes accurate measurements in the harshest of environments. The explosion-proof model is offered with 4 to 20 mA output for humidity only. The intrinsically safe version is offered with 4 to 20 mA output for humidity and temperature, and do require an intrinsically safe barrier to meet hazardous area approvals

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The Series HHT Hazardous Area Humidity/Temperature Transmitter takes accurate measurements in the harshest of environments. The explosion-proof model is offered with 4 to 20 mA output for humidity only. The intrinsically safe version is offered with 4 to 20 mA output for humidity and temperature, and do require an intrinsically safe barrier to meet hazardous area approvals.

 

Specifications

Relative Humidity Range:
0 to 100% RH.
Temperature Range:
-40 to 140°F (-40 to 60°C).
Accuracy:
±2% 10 to 90% RH, ±0.9°F at 72°F (±0.3°C at 25°C).
Hysteresis:
±1%.
Repeatability:
±0.1% typical.
Temperature Limits:
-40 to 140°F (-40 to 60°C).
Storage Temperature:
-40 to 176°F (-40 to 80°C).
Compensated Temperature:
-40 to 140°F (-40 to 60°C).
Power Requirements:
For instrinsically safe models HHT-IX, 9.5 to 28 VDC. For explosion-proof models HHT-EX, 16.5 to 28 VDC.
Output Signal:
4 to 20 mA, 2 channels for humidity/temperature models (loop power on RH).
Response Time:
15 s.
Electrical Connections:
Screw terminal block.
Conduit Connection:
1/2" female NPT.
Drift:
<1% RH/year.
RH Sensor:
Capacitance polymer.
Temperature Sensor:
Solid state band gap.
Housing Material:
Aluminum.
Display:
Optional 2 line alpha numeric, 8 characters/line. Temperature display is °F/°C selectable.
Display Resolution:
RH: 0.1%; Temperature: 0.1°F (0.1°C).
Weight:
2 lb 8 oz (1134 g).
Enclosure Rating:
NEMA 4X (IP66). Models HHT-EX: FM Explosion-proof, Class I Div. 1 Group B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1; Models HHT-IX: FM Instrinsically Safe, Class I Div. 1 Group A, B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1 T4.
Agency Approvals:
FM, CE.

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HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

HTH TECHNOLOGY CO., LTD, Công Ty TNHH Thương mại Dịch Vụ Công Nghệ HTH

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