关注:2413     发表时间:2015-09-25 09:10:02



The Series 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.


相对湿度范围: 0 to 100% RH.

温度范围-40 to 140°F (-40 to 60°C).

精度: ±2% 10-90% RH, ±0.9°F at 72°F (±0.3°C at 25°C).

滞后: ±1%.

重复性: ±0.1% typical.

温度范围: -40 to 140°F (-40 to 60°C).

储存温度: -40 to 176°F (-40 to 80°C).

补偿温度: -40 to 140°F (-40 to 60°C).

电源: For instrinsically safe models HHT-IX, 9.5 to 28 VDC. For explosion-proof models HHT-EX, 16.5 to 28 VDC.

信号输出: 4-20 mA, 2 channels for humidity/temperature models (loop power on RH).

响应时间: 15 seconds.

电气连接: Screw terminal block.

管路连接1/2" female NPT.

漂移<1% RH/year.

RH 传感器: Capacitance polymer.

温度传感器: Solid state band gap.


显示: Optional 2 line alpha numeric, 8 characters/line. Temperature display is °F/°C selectable.

显示分辨率: RH: 0.1%: Temperature 0.1°F (0.1°C).

重量2 lb 8 oz (1134 g).

封装: 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.

认证FM, CE. 





Explosion-proof humidity transmitter.


Explosion-proof humidity transmitter with LCD display.


Intrinsically safe humidity transmitter.


Intrinsically safe humidity/temperature transmitter.


Intrinsically safe humidity/temperature transmitter with LCD display.

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