HAZARDOUS AREA HUMIDITY/TEMPERATURE TRANSMITTER, 0 to 100% RH., -40 to 140°F (-40 to 60°C)

HAZARDOUS AREA HUMIDITY/TEMPERATURE TRANSMITTER<br />
Brand: DWYER<br />
Intrinsically Safe Humidity/temperatura with display<br />
Relative Humidity <br />
Range: 0 to 100% RH.<br />
Temperature Range: -40 to 140°F (-40 to 60°C)<br />
Accuracy: ±2% 10 to 90% RH, ±0.9°F at 72°F (±0.3°C at 25°C).<br />
Hysteresis: ±1%.<br />
Repeatability: ±0.1% typical.<br />
Temperature Limits: -40 to 140°F (-40 to 60°C).<br />
Storage Temperature: -40 to 176°F (-40 to 80°C).<br />
Compensated Temperature: -40 to 140°F (-40 to 60°C).<br />
Power Requirements: For intrinsically safe models HHT-IX, 9.5-28 VDC. <br />
Forexplosion-proof models HHT-EX, 16.5-28 VDC.<br />
Output Signal: 4-20 mA, 2 channels for humidity/temperature models (loop power on RH).<br />
Response Time: 15 s.<br />
Electrical Connections: Screw terminal block.<br />
Conduit Connection: 1/2 female NPT.<br />
Drift: < 1% RH/year.<br />
RH Sensor: Capacitance polymer.<br />
Temperature Sensor: Solid state band gap.<br />
Housing Material: Aluminum.<br />
Display: Optional 2 line alpha numeric, 8 characters/line. <br />
Temperature display is °F/°C selectable.<br />
Display Resolution: RH: 0.1%; <br />
Temperature: 0.1°F (0.1°C).<br />
Weight: 2 lb 8 oz (1134 g).<br />
Enclosure Rating: NEMA 4X (IP66). <br />
Models HHT-EX: FM Explosion- Proof<br />
Class I
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