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IET is the world's leading RLC decade box manufacturer. With 50+ years of stability data and history, IET Labs manufactures a full line of resistance, capacitance and inductance decade boxes that will cover most any budget and application: field, calibration laboratory or automated stations. From the world's highest precision to our cost-effective models. 1000's of models available from: 1 mΩ to 10 TΩ, 1 pF - 10,000 µF, 1 mH- 10 H. Programmable and self-calibrating models available. Contact us if you don’t find the decade box you need and we would be happy to custom build it IET Labs, maintains some of the finest R, L and C calibration standards in the World. Almost all of IET’s decade boxes are manufactured with pride in the USA. THERE IS A LOT TO CHOOSE FROM ON THIS PAGE-TO FIND THE BEST MODEL USE THE CATEGORY FILTER ON THE LEFT SIDE OF THE PAGE
RS Series Resistance Substitution Box Accurate 0.1% to 1% Wide range from 0.01 Ω - 100 MΩ (Depending on Model) Broad choice of standard and optional models with many powerful features Compact, convenient, and rugged 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 PRS-330 Precision Programmable Resistance Box & RTD Simulator Resistance range: 0.1 Ω to 20 MΩ with a Resolution of 1 μΩ or 6 digits Lab grade accuracy (70 ppm + 1 mΩ): 1.5 times better than conventional manual decade resistors Manual or Programmable resistor with USB, Ethernet and IEEE interfaces all standard Very low long term maintenance cost- with an 5 year warranty About 10% lower in cost to the PRS-370 If you own 8.5 Digit DMM (Fluke 8508A, 8588A or Keysight 3458A) you should strongly consider the PRS-370 . 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 OS-260 & OS-270 Resistance Decade Boxes / RTD Simulator The revolutionary ohmSOURCE microprocessor controlled resistor is like nothing you have ever seen before! US Patent 6487456 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 Unit can only be used as a MANUAL unit. Can not be connected to or controlled by a computer 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 silver-alloy contacts 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 HRRS-5 kV & 10 kV Series - High Resistance Decade Box Choose from units with a max. resistance of 1 GΩ, 10 GΩ, 10 GΩ, 1TΩ or 11 TΩ Units use the most stable and accurate resistors and custom high voltage switches Maximum Voltages of 5000 V or 10,000 V. For 2000 V, consider the standard HRRS Series Used for calibration of Meggers and sourcing out precision high resistance. 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 VRS-100 Series High Resistance Standards Set of nine, ten or eleven resistors - 1 kΩ, 10 kΩ, 100 kΩ,1 MΩ, 10 MΩ, 100 MΩ, 1 GΩ, 10 GΩ, 100 GΩ, 1 TΩ and 10 TΩ , open circuit (Depending on model) High Accuracy - up to 20 ppm Standard voltage: up to 5 kV (voltages of 10 kV are available) Excellent for calibration of Meggers For higher resistance values above 10 TΩ see SRC-T Network Standards RCS Series Resistance & Capacitance Box Combination of resistance and capacitance decades Accurate 0.1% to 4% (depending on model) Capacitance range 100 pF - 100 µF Resistance range 1 Ω - 10 MΩ Compact, convenient, and rugged DRS-900 High Power Decade Resistor Resistance from 1 mΩ to 1 MΩ Standard Accuracy: (1% + 20 mΩ) Power Rating : 225 W/decade, 250 W max. or higher Voltage Rating: 1000 V or higher Rack mounting standard Special and custom configurations available Replacement for the Clarostat 240C
PRS-330 Precision Programmable Resistance Box & RTD Simulator
PRS-370 Self-Adjusting Programmable Resistance Box & RTD Simulator
OS-260 & OS-270 Resistance Decade Boxes / RTD Simulator
HRRS-5 kV & 10 kV Series - High Resistance Decade Box
VRS-100 Series High Resistance Standards
PRS-200 Series Programmable Resistance Decade Box
