Dwyer 美國德威爾

Series AT2DH3 dwyer 德威爾

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美國德威爾壓差表流量計差壓計差壓開關(guān) 差壓變送器
產(chǎn)品廣泛應(yīng)用于暖通空調(diào) 食品制藥生物工程智能樓宇電廠化工水處理環(huán)境監(jiān)測工業(yè)制造等領(lǐng)域
產(chǎn)品描述：美國Dwyer德威爾儀器儀表制造有限公司(Dwyer Instruments,Inc.)是一家對差壓、溫度、液位和流量的測量,變送和控制等方面擁有眾多精密儀器儀表產(chǎn)品并且在價格上有強競爭力的儀器儀表制造公司。
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Series AT2DH3
ATEX/IECEx Approved DH3 Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output. Ideal for hazardous area pressure and flow.
3 in 1 Instrument: Gage, Switch, and Transmitter, Flame-Proof Enclosure
The ATEX/IECEx approved Series AT2DH3 Digihelic® Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with current output. Combining these three features allows the reduction of several instruments with one product, saving inventory, installation time and money. The ATEX/IECEx approved Digihelic® controller is the ideal instrument for hazardous area pressure, velocity and flow applications by allowing for the selection of pressure, velocity or volumetric flow operation in several commonly used engineering units. Two SPDT control relays with adjustable dead bands are provided along with a scalable 4 to 20 mA process output. In velocity or flow modes, a square root output is provided on the 4 to 20 mA signal to coincide with the actual flow curve. Flame-proof enclosures are available in aluminum and can include a glass window for viewing process information and set point status on digital display.
Important notes for installation:
? Cables must be fitted through 1/2" NPT cable gland or ATEX/IECEx conduit (not supplied with instrument).
? Make sure after cabling to close tight cover and cable gland, in order to keep IP66 rating (IP65 with option OPV, overpressure relief valve).
? Open cover only after de-energizing instrument.
? Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.
Please see SERIES DH3 for non-ATEX/IECEx approved.
California Residents: Click Here for Proposition 65 WARNING.

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