Digital Multimeter
Performance Tests
7
Performance Tests
WX Warning
To avoid electric shock, do not perform the performance test
procedures unless the Meter is fully assembled.
The following performance tests verify the complete operation of the Meter and check
the accuracy of each Meter function against its specifications. If the Meter fails any part
of the test, adjustment and/or repair is indicated.
In the performance tests, the Meter is referred to as the unit under test (UUT).
Table 2 lists the necessary equipment for the performance tests.
Table 2. Required Equipment
Equipment Recommended Model
AC Calibrator Fluke 5520A
Digital Thermometer Fluke 50S with 80Pk-3A Surface Probe
Thermocouple Adapter 80AK K-Type Thermocouple Adapter
3 Volt Lab Power Supply -
Thermocouple K-Type with male mini connectors at each end.
Preparing for the Performance Test
WX Warning
To avoid possible electric shock or personal injury:
• Do not perform the following procedures unless qualified to
do so. Some procedures involve the use of high voltages.
• Before handling the test connections and in between tests,
make sure the calibrator is in standby mode (STBY).
To prepare for the performance test:
1. Make sure to use the required equipment, see Table 2.
2. Warm up the calibrator as required by its specifications.
3. Allow the temperature of the Meter to stabilize at room temperature
(23 °C ± 5 °C [73 °F ± 9 °F] ).
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