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现在位置首页>自动化仪器仪表>传感器/变送器>温湿度变送器> Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

商品编号:62761
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Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

价    格:询价

产    地:美国更新时间:2019/9/11 7:42:53

品    牌:德威尔型    号:HHT-IU HHT-EU-LCD HHT-IT-LCD

状    态:正常点击量:743

15221105376
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上海茂培电子科技有限公司

联 系 人:范先生

电     话:15221105376

传     真:

等     级: (第 4年)

性     质:贸易型,

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Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

HHT系列 防爆型温湿度变送器用于在恶劣的工业场合来精确测量。可根据需要提供隔爆型和本安防爆型。隔爆型只有湿度4-20mA输出信号,本安型有温度和湿度4-20mA输出信号。它们都带有双排数显来显示温度和湿度测量值。

HHT温湿度变送器最适用于船舶及海洋工程中的暖通空调项目,除尘等应用场合。本安型仪表在使用时需要使用隔离栅。

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.

It is important to develop a routine schedule for replacing the RH/temperature sensor

(part number A-451). The sensor should be replaced annually or sooner depending on

application conditions.



产品参数

Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

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 seconds.

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.



产品介绍

Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

Dwyer德威尔 HHT-IU HHT-EU-LCD HHT-IT-LCD 防爆温湿度变送器

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 seconds.

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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