Agilent Technologies U1401B User's Manual And Service Manual page 163

Table 7-5 Calibration tests
Step Test function
d. Turn the rotary switch to
e. Turn the rotary switch to
position.
Press to select DC.
f. Turn the rotary switch to the
position.
Press to select AC.
U1401B User's and Service Guide
Cal range
. Diode
50 mA
500 mA
50 mA @ 1 kHz
500 mA @ 1 kHz
Temperature calibration
1 In calibration mode, turn the rotary switch to the mV
position.
2 Press
for more than one second to enter
temperature calibration.
3 Plug a K- type thermocouple into the input terminal. Feed
in the reference input signal that represents 0
wait for 10 minutes.
4 Press
to finish the temperature calibration.
Performance Tests and Calibration
Input
Short Dual banana plug
with copper wire
shorted between 2
terminals
1.9 V 1.9 V
5 mA
45 mA
50 mA
450 mA
5 mA
45 mA
50 mA
450 mA
7
U1401B
Short
1.9000 V
5.000 mA
45.000 mA
50.00 mA
450.00 mA
5.000 mA
45.000 mA
50.00 mA
450.00 mA
o
C and
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