Decade Resistor

Resistance Substituters

IET Labs manufactures a full line of resistance decade boxes with 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. RS-201W

    RS Series Resistance Substitution Box

    • Accurate 0.1% to 1%
    • Wide range from 0.01 Ω - 100 MΩ
    • Broad choice of standard and optional models with many powerful features
    • Compact, convenient, and rugged
  2. PRS Series Programmable Resistance Decade Box

    PRS Series Programmable Resistance Decade Box

    • IEEE or RS232 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 )
  3. HRRS-7 Decade

    HRRS-5 kV & 10 kV Series - High Resistance Decade Box

    • Resistance from 1 Ω to 10 TΩ +
    • High-accuracy: up to .01%; 3 Accuracy Classes
    • Max voltage of 5 kV or 10 kV; 2 Series
    • Ideal for the calibration of meggers
    • Low voltage coefficient: as low as 0.2 ppm/V
    • High-stability: up to 10 ppm/yr
    • Special and custom configurations available
  4. HRRS Series High Resistance Decade Box

    HRRS Series High Resistance Decade Box

    • Resistance from 100 Ω to 100 GΩ
    • High-accuracy: up to .01%, 3 Accuracy Classes Available
    • Voltage up to 2000 V
    • Excellent TC: as low as 5 ppm/°C
    • Low voltage coefficient: as low as 0.2 ppm/V
    • High-performance solid silver-alloy switches
    • Rack mounting available

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