Product category: Test Accessories
News Release from: Isabellenhuette Heusler | Subject: IKL series resistors
Edited by the Electronicstalk Editorial Team on 12 June 2006
Precision resistors stand
the test of calibration
Isabellenhutte's compact IKL series resistors can be calibrated to allow users to make precise current measurements from 10 up to 2000A
The four wire resistors are completely pluggable, so that a change-over in the measuring system for calibration purposes can be carried out easily and quickly. Depending on the model, resistor ranges are from 5 to 100uohm, 100uohm to 1mohm or 1mohm to 1ohm. The use of Manganin resistor alloy means high accuracy, +/- 0.05 %, which also guarantees a low temperature coefficient (10ppm/K maximum) as well as high time stability (better than 0.05%).
This article was originally published on Electronicstalk on 12 June 2006 at 8.00am (UK)
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Physically optimised low ohmic Manganin resistors developed by Isabellenhuette play a crucial role in the measurement of automotive battery currents
The low thermal inner flow resistance coupled with the high thermal capacity, as well as the extremely low thermal EMF on copper enable the measurement of very high impulses on the one hand and enables the certain capture of extremely small permanent currents in the milliamp range on the other hand, even immediately after a heavy current load.
Typical applications for the resistors are in calibration units for electronic battery management systems in vehicles as well as in high current measurement systems.
The resistors are supplied with a DKD (German Calibration Service) calibrating certificate for the most demanding calibration measurements.
The relatively low change of resistance over the temperature can even be compensated for by a calibrated Pt100 temperature sensor incorporated in the IKL-H series.
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