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  • Holykell Oem 4800e Dn400 4 20ma Electromagnetic Water Flow Meter - China

    price: 400.00 Dollar US$

    Technical parameters   1. Measure accuracy: measurements±0.2%、±0.5%   2. Medium conductivity>5μs/cm ;Water≥20μs/cm   3. Flow range:0.3~15m/s   4. Ambient temperature: -25℃~60℃   5. Medium temperature: ≤45℃ (polyurethane Rubber)   ≤80℃ (soft, neoprene)   ≤180℃ (PTFE)   Working pressure: DN 10~80mm PN≤25Mpa   DN 100~200mm PN≤4.0Mpa   DN 250~900mm PN≤1Mpa   DN 1000~2400mm PN≤0.6Mpa   7. Flow output signal:   a.Main output   Current output: 0~10mA (Load resistance 0 ~ 1.5KΩ), 4~20mA (Load resistance0~750Ω)   Pulse / frequency output: 1~5000Hz   Communication output: MODBUS、RS-485、RS-232C、HART agreement, communication Interface has prevent from lightning effect.   Control output   Upper limit alarm open circuit output of the collector (normal: 0, alarm: 1)   Lower limit alarm open circuit output of the collector (normal: 0, alarm: 1)   Forward and reverse flow state open circuit output of the collector (forward: 0, reverse: 1)


    Company Contact:


    • Phone: 17307413256

    • Address: No.100 LuYun Road ,LuGu ,Changsha 410205,Huna China, Changsha, Hunan, China

    • Email: Email


    Published date: November 22, 2018 -

    • Business Description: In 2001, Holykell restructured the production department of national large-scale enterprises .Rely on the original strong technical force and the introduces the most advanced numerical control machining equipment both domestically and from abroad. Became the leading pressure transmitter manufacturer in Hunan Province. With purification workshop 5000 squra meter, 3 cycle full auto production line & half auto production line, the annual capacity can reach 1 million; 1000 squar meter modern office. Holykell has implemented IOS9001:2015 quality management system in the procurement of raw materials, production, testing, export and other aspects. Management, research and development, production, and quality are all meeting international professional standards. "World Factory" is being staged.
      2003, Holykell R&D team was lead by the technical director of General Manager Hu. So far, a total of 20 members, 90% have Bachelor's degree, 5 members have doctor's degree and 3 members are overseas returned engineers. Currently, A number of new-type pressure sensor and level sensor products have been developed.And have obtain 17 national invention patents, and more than 60 practical new model patents.

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