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Surge Protection Type RTD input Temperature converter

PHG-11TZ-46+  1 input 1 output

Input :Two-wire or three-wire RTD Pt100 signal

Output :RTD Pt100 signal


    Thermal resistor input temperature converter with surge protection function can transmit the two-wire or three-wire thermal resistor (RTD)Pt100 signal and output in 1: 1, to drive the load.

    This product requires independent power supply, with isolated power supply, input, and output terminals.


    Input signal Two wire or three wire Pt100 signal
    Signal range Corresponding measuring range of thermal resistance
    Measurement range -200℃-850℃
    Output signal RTD Pt100 signal
    Excitation current 0.1-3mA
    Surge protection features:
    Nominal discharge current ln(8/20μs) 5kA
    Voltage protection level Up(8/20μs): 60V(line to line)
    Voltage protection level Up(8/20μs): 600V(line to ground)
    According to standards GB/T18802.21-2016(equivalent to 1EC61643-21:2012)
    Supply voltage 20-35VDC
    Power consumption <0.9W (when 24VDC power supply)
    LED indicator Green: Power indicator
    Output accuracy 0.1%F.S
    Temperature drift 0.1%F.S/10℃
    Temperature parameters Working temperature: -20℃~+60℃, storage temperature:-40℃~+80℃
    Relative humidity 10%~95% RH no condensation
    Insulation strength ≥2000VAC/min  (between input/output/power supply)
    Insulation resistance 100MΩ(500V DC)   (between input/output/power supply)
    Electromagnetic compatibility According to IEC 61326-1(GB/T 18268), IEC 61326-3-1
    MTBF 100000h
    Wire requirements Horizontal cutting surface ≥ 0.5mm2; Insulation strength ≥ 500V
    Applicable field equipments Two wire or three wire RTD Pt100



    Schematic diagram



    1. The power rail function is an optional function, and users need to specify the power supply method when placing an order

    The selection of power rail connectors can refer to page 89 of the "Annex"

    2. When inputting a three wire RTD, it is necessary to ensure that the three wires are of equal length as much as possible

    3. When inputting a two-wire RTD, safety barrier terminals 4 and 2 must be short circuited