Frequency Performance Verification Tests; Temperature Performance Verification Test - Keysight U1242C Service Manual

Table 1-12

Frequency performance verification tests

Test function
Frequency
While the rotary switch is at the
MaxMin
.
Hz
[a] The frequency measurement is susceptible to errors when measuring low-voltage, low-frequency signals. Shielding inputs from external
noise pickup is critical for minimizing measurement errors.
Table 1-13

Temperature performance verification test

Test function
Temperature
Turn the rotary switch to the
– Set both Fluke 5520A and multimeter to internal reference.
NOTE
– Prior to performing measurements, connect one end of the K-type
– To perform the measurement, connect one end of the K-type thermocouple
Keysight U1241C/U1242C Service Guide
position, press
V
position.
1 2
thermocouple (with miniature TC connector on both ends) to the 5520A TC
output, and the other end to a precision thermometer to verify that the source
outputs the desired value. Adjust the source accordingly if necessary.
(with miniature TC connector on both ends) to the 5520A TC output, and the
other end to the multimeter via a TC-to-banana adapter. Allow at least
1 hour for the multimeter to stabilize.
5520A/5522A
Range
output
[a]
100 Hz, 1 V
100 Hz
5520A/5522A
Range
–200 °C to 1372 °C
Calibration Procedures
Error from nominal 1 year
U1241C
±0.03 Hz
Error from nominal 1 year
output
U1241C
0 °C ±1 °C
1
U1242C
±0.03 Hz
U1242C
±1 °C
33