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    Signal Isolator, RTD Temperature Transmitter, 0-5V/0-10V/4-20mA/0-20mA

    Signal isolator for high quality RTD temperature transmitter, with output signal options of 4-20mA, 0-20mA, 0-5V or 0-10 V. Inputs support a wide range of options such as Cu50 (-50~150°C) and PT100 (-200~850°C). Flexible input channel configurations include 1 in 1 out, 1 in 2 out and 2 in 2 out to meet different application requirements. Welcome to purchase to ensure your signal isolation conditioning is stable and reliable.
    30-day Returns
    Delivery date: 6-12 days

    Signal isolator, RTD temperature transmitter supports a wide range of input signals including Cu50 (-50~150℃) and PT100 (-200~850℃). Users can choose from 1 in 1 out/1 in 2 out/2 in 2 out input channel configurations. The signal isolator receives on-site RTD signals through isolation technology and converts them to standard 4-20mA/0-20mA/0-5V/0-10V output signals for safe and reliable transmission to the control room. Featuring DIN rail free-standing mounting, it ensures easy and reliable installation and maintenance of the device. 


    Model ATO-TAG-TR
    Applicable Equipment 2-wire, 3-wire resistance
    Power Supply DC24V, ±10%
    Channel Configuration 1 in 1 out/1 in 2 out/2 in 2 out (potional)
    Input Signal Cu50 (-50~150℃), PT100(-200~850℃) (optional)
    Excitation Voltage 2.5V
    Allowable Resistance ≤100Ω
    Output Signal 0-5V/0-10V/4-20mA/0-20mA (optional)
    Output Load Resistance RL≤500Ω (when output is current signal)
    RL≥10KΩ (when output is voltage signal)
    Basic Accuracy 0.2%F.S.
    Temperature Drift 0.005%F.S./℃ (-20℃~55℃)
    Response Time ≤10mS (0-90%) (TYP)
    Current Draw ≤70mA (1 in 1 out, 24V power supply, 20mA output)
    ≤90mA (1 in 2 out, 24V power supply, 20mA output)
    ≤100mA (2 in 2 out, 24V power supply, 20mA output)
    Dielectric Strength 1500V AC/1min (between input, output, and power supply)
    Insulation Resistance ≥100MΩ (between input, output, power supply)
    Operating Temperature Range -20~55℃

    Dimensional drawing (unit: mm)

    RTD signal isolator dimensions

    Wiring Diagram (unit: mm)

    RTD signal isolator 1 in 1 out wiring diagramRTD signal isolator 1 in 2 out wiring diagramRTD signal isolator 2 in 2 out wiring diagram


    Note: When 2-wire RTD signal is input, terminals 1, 2; 5, 6 (2 in 2 out) must be shorted. For 3-wire RTD signal input, make sure that the resistance value of the 3 wires is equal as far as possible.

    Disassembly Diagram

    RTD signal isolator disassembly diagram


    • RTD signal isolator accepts RTD signals from the field, and outputs standard current/voltage signals to the control room, PLC, DCS and display instruments through isolation.
    • The signal isolator adopts DIN rail independent mounting method, which is suitable for decoration and installation projects.
    • The RTD signal isolator is equipped with three ports for input, output and power supply, which are highly reliable and isolated.

    Tips: RTD Signal Isolator User Guide

    RTD Signal Isolator is a device used to measure temperature, its main function is to isolate, amplify and convert the input signal into a standard output signal.

    1. Connect the Power Supply: Connect the RTD Signal Isolator to an appropriate power supply and make sure the power supply parameters are in accordance with the device specifications.
    2. Connect the Input Signal: Connect the signal line of the RTD sensor to the input port of the isolator, make sure the connection is correct.
    3. Setting Range: Set the working range of the RTD signal isolator according to the actual application needs to ensure accurate and reliable measurement results.
    4. Connect the Output Signal: Connect the output signal of the signal isolator to the corresponding data acquisition equipment or control system, make sure the connection is firm.
    5. Calibration and Adjustment: When using the isolator for the first time or during regular maintenance, make calibration and adjustment to ensure the accuracy and stability of the output signal.
    6. Monitor Display: Use the display on the RTD isolator or connect an external monitoring device to monitor temperature changes in real time and confirm normal system operation.
    7. Safe Use: Follow the safe use procedures of the equipment to ensure that it is operated under proper environmental conditions to prevent the signal isolator from being damaged or affecting the measurement accuracy.
    8. Regular Maintenance: Carry out regular maintenance checks, clean the surface of the equipment and check the connection lines to ensure the long-term stable operation of the RTD signal isolator.

    When using the RTD signal isolator, be sure to refer to the product manual and the manufacturer's guidelines to ensure that you operate the device according to the specified procedures in order to give full play to the performance and functions of the signal isolator.

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