Pressure instrument

Contact Information

Address: Building 10, Zhonglian Industrial Park, Zhongbei Town, Xiqing District, Tianjin

Telephone:+86-22-59958977

Mailbox:350332639@qq.com

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ZDK981 high-precision two-wire signal isolator (one in and one out)


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24-hour service hotline:+86-22-59958977

E-commerce:+86 13212024523

Business phone:+86 18822166399

Bidding authorization:+86 13821081088


  • Product Description
  • Typical applications
  • After-sales commitment
    • Commodity name: ZDK981 high-precision two-wire signal isolator (one in and one out)
    • Commodity ID: 1084834530679476224

    Product introduction

    ZDK981 high-precision two-wire signal isolator receives various current and voltage signals on site, transmits them in isolation, and outputs 4~20mA current signals.This isolator is a two-wire loop power supply method, and the input loop and the output loop are completely electromagnetic isolated.Mainly used for loop-powered DCS and PLC systems, this isolator is made of ABS flame-resistant resin chassis material, which is small in size and compact in structure, and the thickness of the chassis is only 6.2mm.The modular watch core design has low power consumption and does not require zero-point and full-degree potentiometer adjustment.Meet the relevant anti-electromagnetic interference requirements of IEC61000.

    Product features

    Isolated transmission of DC current or voltage signals

    Output current 4~20mA

    The output is not affected by load changes

    Isolation between input and output

    No need for zero point and full point potentiometer adjustment

    Single channel, one in and one out, input loop overcurrent protection

    Ultra-thin shell with a thickness of only 6.2mm

    Fully modular design, small size and low power consumption

    Standard 35mmDIN rail cassette installation

    Product parameters

    Input current signal: 4~20mA; 0~20mA; 0~10mA

    Input voltage signal: 1~5V; 0~5V; 0~10V

    Output current: 4~20mA

    Allowable load resistance: 0~350Ω (4~20mA!_.)

    Output ripple: <10mVpp

    Loop power supply: 12~35VDC

    Standard accuracy: 0.1%FS

    Temperature drift: 0.015%/℃

    Response time: 0.015%/℃

    Working ambient temperature: 0~+60°C

    Storage and transportation ambient temperature: -20~+80°C

    Protection level: IP 20

    Field application

    After-sales commitment

    01 Reliable corporate qualifications

    02 Invest heavily to create ingenuity and quality

    03 After-sales service commitment

    The company promises to the user that the hardware and accessories that should be provided when this instrument is supplied do not have any defects in the material and manufacturing process.Calculated from the date of purchase of the instrument, during the warranty period, if the user is notified of such defects, the company will implement unconditional free repair or free replacement of the products that are indeed defective.

    The company guarantees a 7-day return and 1-year warranty for all recorder products, and lifetime maintenance.

    1. For customers' technical questions, we promise to deal with them within 4 hours.

    2. For instruments returned to the factory for repair, we promise to issue test results within 3 working days and complete the repair within 7 working days.

    3. After the instrument is returned to the customer, the user will be visited within 2 weeks, and free consultation on automation-related technologies will be provided.



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