ESI Electro Scientific Industries SR1010

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Description

Description

The esi SR1010 transfer standards consist of 12 equal resistance steps.These standards can be connected to provide three decade values: 10 resistors in series, 10R: 9 resistors in series—parallel, 1R: and 10 resistors in parallel, R/10. The part per million accuracy is assured as the series value is equal to 100 times the parallel value to better than 1 ppm. The series—parallel value relative to either the series value or the parallel value can be found to better than 1 ppm by making a 1:1 comparison with the remaining tenth resistor and a simple calculation.The accuracy and precision of the individual resistors also make the esi SR1010 transfer standards ideal for use as amulti-value standard resistor or reference voltage divider.

Key Features

• Initial Accuracy: ± 20PPM of nominal value matched within 10PPM
• Transfer Accuracy: ± (1PPM + 0.1µΩ at parallel value) for 100:1
• Transfer Accuracy: ± (1PPM + 1µΩ at series parallel value) for 10:1
• Long Term Accuracy: ± 50PPM of nominal value
• Calibration Accuracy: ± 10PPM