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Dwyer HHT Humidity/Temperature Transmitter Explosion-proof humidity transmitter Without display

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Contact us for a price	In stock	HHT-EU-LCD	Display: With LCD display	Model: Explosion-proof humidity transmitter
Contact us for a price	In stock	HHT-EU	Display: Without display	Model: Explosion-proof humidity transmitter
Contact us for a price	In stock	HHT-IU-LCD	Display: With LCD display	Model: Intrinsically safe humidity transmitter
Contact us for a price	In stock	HHT-IU	Display: Without display	Model: Intrinsically safe humidity transmitter
Contact us for a price	In stock	HHT-IT-LCD	Display: With LCD display	Model: Intrinsically safe humidity/temperature transmitter
Contact us for a price	In stock	HHT-IT	Display: Without display	Model: Intrinsically safe humidity/temperature transmitter

Relative Humidity Range: 0 to 100% RH
Temperature Range: -40 to 140°F (-40 to 60°C)
Accuracy: ±2% 10-90% RH, ±0.9°F at 72°F (±0.3°C at 25°C)
Repeatability: ±0.1% typical
Temperature compensated over entire range
4-20 mA output, 2 channels for humidity/temperature models (loop power on RH)
Screw terminal block electrical connection
Conduit Connection: 1/2" female NPT
Capacitance polymer RH sensor
Solid state band gap temperature sensor
Aluminum housing
Optional 2 line alpha numeric display
CE, FM approved
NEMA 4X (IP66) rated enclosure
Approvals:
- 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
- HHT-IX: FM Intrinsically Safe, Class I Div. 1 Group A, B, C, D, Class II Div. 1 Group E, F, G, Class III Div. 1 T4

The Dwyer HHT Hazardous Area Humidity/Temperature Transmitter takes accurate measurements in the harshest of environments. The transmitter is offered in explosion-proof and intrinsically-safe versions depending on the application's requirements. 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. Both versions have an optional two line alphanumeric display to show the current humidity and temperature.

The Series HHT humidity/temperature transmitter is excellent for offshore HVAC applications, dust and grain applications. Intrinsically safe models require an intrinsically safe barrier.

Dwyer HHT Humidity/Temperature Transmitter Explosion-proof humidity transmitter Without display

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