Cropico CR Calibration Resistor
CR Calibration Resistors
This range of low cost 4 terminal calibration resistors combine high accuracy, class 0.02, long-term stability and permanence of calibration in a compact unit.
Constructed using carefully selected low temperature coefficient Manganin or Zeranin wire, depending upon value, and mounted to ensure mechanical stability, these resistors will provide a cost effective addition to any laboratory or workshop.
Typical applications include:
Calibration reference, accurate current measurement, instrument calibration and accurate shunt resistor.
- for tests of measuring bridges or electrical temperature measuring equipment
- for laboratory setup of a Wheatstone bridge
- for a defined current characteristic at a defined voltage
- as shunt resistor for current measurement
- as part of standard equipment in research laboratories
Key Features
-
Low Capacitance and Low Inductance Design
-
High Accuracy 0.02%
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Suitable for Direct Current & Technical Frequencies
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Oil-filled Design Ensures Great Long Term Stability < ±0.01% over many years
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Technical Specification
|
Milliohmmeter Test Standards Technical Specifications
| Type |
Nominal Value |
Accuracy ±% |
Temperature Coefficient |
Max. Current in air |
Nominal Voltage at Potential Terminals |
| CR/0.001 |
1 mohm |
0.05 |
10 ppm/°C |
30 A |
30 mV |
| CR/0.01 |
10 mohm |
0.03 |
10 ppm/°C |
14 A |
140 mV |
| CR/0.1 |
100 mohm |
0.02 |
10 ppm/°C |
5 A |
500 mV |
| CR/1 |
1 ohm |
0.02 |
2 ppm/°C |
1.5 A |
1.5 V |
| CR/10 |
10 ohm |
0.02 |
2 ppm/°C |
0.5 A |
5 V |
| CR/100 |
100 ohm |
0.02 |
2 ppm/°C |
0.15 A |
15 V |
| CR/1 k |
1 kohm |
0.02 |
2 ppm/°C |
45 mA |
45 V | |
| Size |
38 x 97 x 41 mm (61 mm with terminals)250 g. |
| Weight |
0.5 lbs. (250 g) approx. | |
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