Decade Resistor

Resistance Substituters

IET Labs manufactures a full line of resistance decade boxes that will meet any application. Our resistance decade boxes can be custom built to your specifications, so you do not have to pay for what you don't need.
IET Labs, maintains some of the finest R, L and C calibration standards in the World. IET Labs continues to manufacture and support a wide variety of products that were originally manufactured by GenRad, esi, QuadTech and others. The majority of IET’s products are manufactured with pride in the USA.

1433 Series Precision Decade Resistance Box
Find out more about our different decade box models

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  1. esi RS925

    esi RS925D Resistance Decade

    • High accuracy - 20 ppm + 0.5 mΩ
    • High stability - 20 ppm + 0.5 mΩ
    • Resistance from 10 mΩ to 1.1 MΩ
    • 20 μΩ resolution 
    • Precise fixed minimum resistance
  2. esi/Tegam DB62 Decade Resistance Box

    esi / Tegam DB62 Decade Resistor

    • Precision accuracy of ±(0.01% + 2 mΩ)
    • Resistance range from 0.01 Ω to 11.1111 MΩ
    • 4 models available, each covering six decades
    • High-performance solid silver-alloy contacts
    • Low zero resistance < 6mΩ
  3. SR-1050 Transfer Standard

    esi SR1050 Series 1M & 10 M Resistance Transfer Standard

    • Resistance Values 1 MΩ & 10 MΩ
    • Initial Accuracy... ± 25 or 30 ppm of nominal value matched within 10 ppm
    • Transfer Accuracy... ± 2 ppm (Typical Short-term Repeatability)
    • Calibration Accuracy... ± 10 or 15 ppm
  4. SR1010 Resistance Transfer Standard

    esi SR1010 Resistance Transfer Standard

    • Resistance Transfer Standards available in the following values 1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ
    • Initial Accuracy... ± 20PPM of nominal value matched within 10PPM
    • Transfer Accuracy... ± (1PPM + 0.1uΩ at parallel value) for 100:1
    • Transfer Accuracy... ± (1PPM + 1uΩ at series parallel value) for 10:1
    • Long Term Accuracy... ± 50PPM of nominal value
    • Calibration Accuracy... ± 10PPM
  5. Resistance Transfer Standard

    esi SR1030 Series Oil Immersed Transfer Standard

    • Resistance Values of 1 Ω - 100 kΩ
    • Initial Accuracy... ± 20 PPM of nominal value matched within 10 PPM
    • Transfer Accuracy... ± (1 PPM + 0.1uΩ at parallel value) for 100:1
    • Long Term Accuracy... ± 50 PPM of nominal value
    • Calibration Accuracy... ± 10 PPM
  6. RTD Precision RTD Simulator

    RTD Series - Precision RTD Simulator

    • Highest accuracy, highest stability, lowest TC of any RTD Simulator available
    • Accuracy for Z Series: 0.005% (0.012 ºC for PT 100)
    • Resolution: 1 mΩ (0.0025 ºC for PT 100)
    • Stability 0.0002% for 24 hours; 0.001% for 12 months
    • PT100 to Resistance Chart with 0.1 mΩ Resolution
  7. HPRS-F-7-0.001 High Power Decade Resistance Box

    HPRS Series High Power Resistance Decade Box

    • Resistance from 1 mΩ to 10 MΩ
    • Power Rating : 225 W/decade, 250 W max. or higher (Contact IET for Custom Higher Power Units)
    • Accuracy: 0.5% or 1%
    • Special and custom configurations available
  8. HARS-LX-10-0.001

    HARS-LX Series Decade Resistance Substituter Lab Standard

    • High accuracy - as good as 20 ppm
    • High stability - as good as 5 ppm/yr
    • Over 55 models available with resistance from 1 mΩ to 121.1 MΩ
    • Resolution as good 1 mΩ with a fixed decade or 20 μΩ with a rheostat.
  9. PRS Rack Model

    PRS Series Programmable Resistance Decade Box

    • IEEE, RS232 or Ethernet Programmable Decade Resistor
    • Wide range and resolution: 1 mΩ to 100 MΩ
    • Available at accuracies of : 0.01%, 0.02%, 0.05%, 0.1%, 0.5%, and 1%
    • Special RTD and custom configurations
    • Dual / Combo rackmount models ( examples: resistance & capacitance )
    • Consider NEW PRS-300 Decade Resistor
  10. Decade Resistor 7 Dial

    GenRad 1433 Series Decade Resistor

    • Precision accuracy of +0.01%
    • Resistance range from 1 mΩ to 111.11111111 MΩ
    • 36 models available, 3 to 11 dials
    • Long life switches with solid silver contacts
  11. Resistance Decade Box

    HARS Series Resistance Decade Box

    • Resistance from 1 mΩ; to 111 MΩ!
    • Available in double-power version: HARS-X2
    • Wide choice: single through 11 decade units
    • High accuracy - 0.01% (100 ppm) or 0.1% depending on model;
  12. OS-270 OhmSOURCE with Leads

    ohmSource Resistance Decade Box / RTD Simulator

    • The revolutionary ohmSOURCE Microprocessor Controlled Resistance Decade Boxes are like nothing you have ever seen before!
    • Two cost-effective models available
    • Accuracy's as tight as 0.01%, with resolution as good as 0.01Ω
    • Engineered as an ideal RTD Calibrator 
  13. RS-201W

    RS Series Resistance Substitution Box

    • Accurate 0.1% to 1%
    • Wide range from 0.01 Ω - 100 M&Omega (Depending on Model)
    • Broad choice of standard and optional models with many powerful features
    • Compact, convenient, and rugged
  14. Programmable Decade Resistor

    PRS-300 Precision Programmable Resistance Decade

    • Resistance Range: 0.1 Ω to 20 MΩ
    • Precision Lab Grade Accuracy 70 ppm + 1 mΩ Resolution: 1 μΩ ( 0.000 001 Ω)
    • To further improve accuracy to <20 ppm, for no additional cost, see the PRS-DMM
    • Programmable Decade Resistor with USB Interface and Labview Drivers
    • 5 Year Warranty

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