HHT-EU_HHT-IU_HHT-IT_HHT-EU-LCD_HHT-IT-LCD防爆温湿度变送器Dwyer德威尔

HHT-EU_HHT-IU_HHT-IT_HHT-EU-LCD_HHT-IT-LCD防爆温湿度变送器Dwyer德威尔

HHT-EU_HHT-IU_HHT-IT_HHT-EU-LCD_HHT-IT-LCD防爆温湿度变送器Dwyer德威尔

水处理：

压力/差压：4000差压表，PTGB差压表，SGS压力表，SGD/SGT压力表DGP数显压力表，DA/DS波登管压力开关，CXA/CD压力开关A1PS压力开关，APS压力开关，A6压力开关，IS626本安压力变送器，626/628压力变送器，673压力变送器，629差压变送器

流量部分：LFM水流量计，UV浮子流量计，HFPC流量计，HF金属流量计，SSM/SSB大流量金属流量计，TVF大流量金属流量计，DS流量传感器，SFI系列流量指示/变送器，UXF2，SX3超声波流量计，UF便携式超声波流量计，DFT差压式流量变送器，TFD涡轮式流量变送器，V4,V6,V12,P8,P5,P3流量开关。

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 intrinsically 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 Intrinsically 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: CE, FM.

HHT-EU_HHT-IU_HHT-IT_HHT-EU-LCD_HHT-IT-LCD防爆温湿度变送器Dwyer德威尔