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IET is the World's Leading Resistance Calibration Standard Manufacturer With 50+ years of stability data and history, IET Labs manufactures a full line of resistance standards that will cover most any budget and application.
From the world's most stable to our cost-effective models From 1 mΩ to 10 TΩ Contact us if you don’t find the resistance standard you need and we would be happy to custom build it for you.
IET Labs, maintains some of the finest R, L and C calibration standards in the World. Almost all of IET’s resistance standards are manufactured with pride in the USA.
SR102/103/104 Series
Highest accuracy (1 ppm/yr) and stability (±0.5 ppm/yr typical) of any resistance standard Lowest temperature coefficients (< 0.1 ppm/ºC) Available in 3 models: 100Ω, 1000 Ω, 10,000Ω. Has remained the foremost resistance standard, with no equivalent, for over 35 years 5 Year Warranty Included
DCCS DC Current Shunt Series
Allows for high current calibration, up to 60 A Resistances ranges from 100 µΩ - 1 kΩ High accuracy 0.02% Suitable for direct current & audio frequencies Oil-filled design ensures great long term stability <0.01% over many years
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
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
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
esi SR1 Calibration Resistor
New Design, with improved specifications Versatile working calibration resistor Laboratory standard of high accuracy and stability Adjusted to within 20 ppm of nominal 50 ppm long-term accuracy for most values
LOM-530 Micro-Ohmmeter Calibration Kit
Complete set of (5) working standard resistors for calibration of micro-ohmmeters. Resistance values can be custom modified per your requirement. Calibrates a wide verity of micro-ohmmeters from various manufacturers