1427 Computer-controlled high-precision resistance decade

Accuracy 0.005 %, temperature coefficient <1 ppm/K, simulation of RTD (Pt,Ni), simulation accuracy 0.02 °C, RS232 (IEEE488 optional)

  • Features

    • Resistance range from 1.00000 Ω to 1.200000 MΩ
    • Accuracy 0.003 %
    • Temperature coefficient < 1 ppm/K
    • Simulation of RTD (Pt, Ni) temperature sensors
    • Simulation accuracy 0.02 °C
    • 2, 3, 4 wire connection
    • USB/RS232 (IEEE488/Ethernet optionally)
  • Product data

    Model 1427
    Resistance range

    1 Ω ... 400 Ω
    400 Ω ... 2000 Ω
    2000 Ω ... 10000 Ω

    Tolerance 0.005 %
    Temperature coefficient < 1 ppm/K
    Storage stability < 0.01 % over years
    Power Max. 0.3 W
    Range of operating temperature +5 ... +40 °C
    Interfaces
    • RS232
    • IEEE488 (option)
    • Ethernet (option)
    Specific characteristics
    • Simulation of RTD (Pt, Ni) temperature sensors
    • Simulation accuracy 0.02 °C
    • 2, 3, 4 wire connection
  • Description

    In its function as temperature simulator the decade offers the choice of sensors like Pt100, Pt200, Pt500, Pt1000, Ni 100 and Ni 1000 in the range from -200 °C up to +850 °C. The temperature is entered via keyboard or data interface. The corresponding resistance appears at the output socket in two, three or four wire method.

    The resistance decade allows a direct choice of resistances between 1 Ω and 1.2 MΩ. Depending on the ohm value the resolution can be chosen up to 0.00001 Ω. The selected resistance can be picked up via two or four wire method. 
    The LCD display informs about chosen resistance or temperature, sensor type and control status.

  • Data Sheet & Downloads

    Data sheet
    Software

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