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CER6000 1
CER6000
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WIKA · Calibration technology · Family CER6000

Standard reference resistor

Standard reference resistor for voltage and resistance in calibration laboratories, available in RR and RW series with high accuracy and long-term stability.
Range
15…40 °C
Protection
IP65
Price
On request
Depends on configuration
Request a quote
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Description

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 10,000 Ω. Typical applications for the RR series are as transfer standards or reference source in temperature calibration or electrical standards laboratories.

Standard reference resistor, model CER6000, 25 Ω and 100 Ω

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.

Special features

  • High accuracy
  • Excellent long-term stability
  • Low temperature coefficient
  • Rugged stainless steel construction
Identification
ModelCER6000
SubcategoryReference resistor
Measuring range
Temperature ranges+15…+40 °C
Accuracy
Uncertainty±10 ppm
Process conditions
Calibration typeelectronic
Operating environment
Ambient temperature+15…+40 °C
IP ratingIP65
Weight0.5 kg
Certifications and approvals
TraceabilityDAkkS · UKAS · NPL
Additional details
PortableYes
Datasheet languagesEN
Tables from datasheet
Reference resistor, model CER6000-RR
Resistance value1, 10, 25, 100, 300, 400, 500, 1,000 and 10,000Ω Others on request
Tolerance±10 ppm
Long-term stability< ±5 ppm per year
Temperature coefficientTypically < 1 ppm per °C
Frequency dependence< 1 ppm up to 400 Hz
Permissible ambient conditions
Working temperature20 °C [68 °F]
Operating temperature15 ... 40 °C [59 ... 104 °F]
Case
DimensionsØ=76mm, height 114 mm[Ø=2.99 in, height 4.49 in]
Weight0.5 kg [1.1 lbs]
Standard reference resistor, model CER6000-RW
Resistance value1, 10, 25, 100, 300, 400, 500, 1,000 and 10,000Ω Others on request
Tolerance±10 ppm
Long-term stability< 1 kΩ; 2 ppm per year (HS version 0.5 ppm per year)
≥ 1 kΩ; 5 ppm per year
Temperature coefficientTypically 2 ppm per °C (HS version 0.5 ppm per °C)
Frequency dependence1 ppm up to 1,592 Hz
Permissible ambient conditions
Working temperature20 °C [68 °F]
Operating temperature15 ... 40 °C [59 ... 104 °F]
Case
DimensionsØ=76mm, height 114 mm[Ø=2.99 in, height 4.49 in]
Weight0.7 kg [1.5 lbs]
Certificate
Calibration■ Without ■ DAkkS/UKAS calibration certificate - DC at 20 °C [68 °F] ■ DAkkS calibration certificate - DC at 23 °C [73 °F] ■ DAkkS/UKAS calibration certificate - DC and AC at 20 °C [68 °F] ■ DAkkS calibration certificate - DC and AC at 23 °C [73 °F] ■ NPL calibration certificate - DC at 20 °C [68 °F] or 23 °C [73 °F] ■ NPL calibration certificate - DC and AC at 20 °C [68 °F] or 23 °C [73 °F]
Recommended recalibration interval1 year (dependent on conditions of use)