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深圳市德威達(dá)科技有限公司
主營產(chǎn)品：公司代理品牌有 美國 DWYER、ANDERSON、MERCOID、ITT、德國BECK、新加坡TELASIA等，產(chǎn)品涉及壓力、流量、液位物位、風(fēng)速、溫濕度、閥門、氣體檢測、燃燒、數(shù)據(jù)采集等，廣泛應(yīng)用 ... |
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產(chǎn)品名稱: HHT系列本安型溫濕度變送器
產(chǎn)品型號: HHT系列
HHT系列本安型溫濕度變送器
產(chǎn)品介紹
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.
技術(shù)參數(shù)
相對濕度范圍: 0 to * RH.
溫度范圍: -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）.
滯后: ±1%.
重復(fù)性: ±0.1% typical.
溫度范圍: -40 to 140°F （-40 to 60°C）.
儲存溫度: -40 to 176°F （-40 to 80°C）.
補(bǔ)償溫度: -40 to 140°F （-40 to 60°C）.
電源: For instrinsically safe models HHT-IX, 9.5 to 28 VDC. For explosion-proof models HHT-EX, 16.5 to 28 VDC.
信號輸出: 4-20 mA, 2 channels for humidity/temperature models （loop power on RH）.
響應(yīng)時間: 15 seconds.
電氣連接: Screw terminal block.
管路連接: 1/2" female NPT.
漂移: <1% RH/year.
RH 傳感器: Capacitance polymer.
溫度傳感器: Solid state band gap.
外殼材質(zhì): Aluminum.
顯示: Optional 2 line alpha numeric, 8 characters/line. Temperature display is °F/°C selectable.
顯示分辨率: RH: 0.1%: Temperature 0.1°F （0.1°C）.
重量: 2 lb 8 oz （1134 g）.
封裝: 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.
認(rèn)證: FM, CE.
選型表
| 型 號 | 描 述 |
| HHT-EU | Explosion-proof humidity transmitter. |
| HHT-EU-LCD | Explosion-proof humidity transmitter with LCD display. |
| HHT-IU | Intrinsically safe humidity transmitter. |
| HHT-IT | Intrinsically safe humidity/temperature transmitter. |
| HHT-IT-LCD | Intrinsically safe humidity/temperature transmitter with LCD display. |
