42 U1241B/U1242B User’s and Service Guide
5 Performance Tests and Calibration
Input Connections
Test connections to the multimeter are best accomplished using the K- type
thermocouple wire and mini- connectors for temperature measurement. The
J- type thermocouple wire and mini- connectors can also be used for
temperature measurements (for U1242B). Shielded, twisted- pair, PTFE
interconnect cables of minimum length are recommended between the
calibrator and the multimeter. Cable shields should be earth ground
referenced. This configuration is recommended for optimal noises and
settling time performance during calibration.
Performance Verification Tests
The performance verification tests are recommended as acceptance tests
when you first receive the multimeter. The acceptance test results should
be compared against the one year test limits. After acceptance, you should
repeat the performance verification tests at every calibration interval.
If the multimeter fails performance verification, adjustment or repair is
required.
Users are highly recommended to read the Test Considerations before performing
performance verification tests.
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