Model CER6000

Standard reference resistor

Selected documents
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  • Primary standards for voltage and resistance in calibration laboratories worldwide
  • Calibration reference for resistance and temperature bridges, such as ohmmeters and AC or DC temperature bridges

Special features

  • High accuracy
  • Excellent long-term stability
  • Low temperature coefficient
  • Rugged stainless steel construction


This model is available in two series: CER6000-RR (reference resistor) and CER6000-RW (standard reference resistor). The RR series of 4-wire reference resistors offer high accuracy and stability at an economic cost. Designed specifically for use as a comparison standard for AC thermometry resistance bridges of the ASL range, the RR series may also be used in electrical standards laboratories.

In addition to standard fixed values, resistors can be supplied in any value between 1 and 1,000 Ω. Typical applications for the RR series are as transfer standards or reference source in temperature calibration or electrical standards laboratories.

The RW series is made from a specially selected alloy having a low temperature coefficient mounted in a strain-free manner on formers made from a material of low dielectric loss but of high mechanical stability.

Prolonged heat treatment of the elements ensures long-term stability and low temperature coefficient of resistance. The elements are hermetically sealed in stainless steel containers and filled with dry oil Castrol WOM 14.

Standard reference resistor, model CER6000-RW

Standard reference resistor, model CER6000-RW

  • Standard reference resistor, model CER6000-RWReference resistor, model CER6000-RR

Advantages of AC resistance thermometry bridges

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