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Surge Protection Type RTD input temperature converter

PHG-12TZ-466+  1 input 2 outputs

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

Output :RTD  Pt100 signal


    The thermistor input temperature converter with surge protection function can convert the Pt100 signals of two wire and three wire thermistors (RTDs)  into a 1:1 signal of the thermistor. It can be intelligently configured, and the actual range of the thermal resistance can be set through computer software. 
    This product requires independent power supply, with isolated power supply, input, and output terminals.


    Input signal Two wire or three wire Pt100 signal
    Measurement range -200℃-850℃
    Output signal RTD Pt100 signal
    Load capacity Load capacity 0-500 Ω (customizable)
    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 <1.1W(when 24VDC power supply)
    LED indicator Green: Power indicator
    Short circuit alarm: ALM red light stays on for a long time
    Open circuit alarm: ALM red light flashing
    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 800000h
    Wire requirements Horizontal cutting surface ≥ 0.5mm2; Insulation strength ≥ 500V
    Applicable field equipments Two wire or three wire RTD Pt100


    PHG-12TZ-466+ .jpg

     Schematic diagram

    PHG-12TZ-466+ (3).jpg


    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 5 and 6 must be short circuited

    PHG-12TZ-466+ (2).jpg