Technical data

136 U1401A User’s and Service Guide
7 Performance Tests and Calibration
8 Turn the rotary switch to
.
Connect a diode to the
U1401A input terminals in
forward bias position.
2 V 1.9 V ±1.45 mV
9 Turn the rotary switch to mV.
Press and hold for
more than 1 second.
Connect K-type
thermocouple to the
U1401A input terminals.
–40 °C to
1372 °C
0 °C ±3 °C
–40 °F to
2502 °F
32 °F ±6.096 °F
Table 7 - 3 Input performance verification tests (continued)
Step Tes t Fun c tio n Connection to 5520A Range 5520A output
Error from
nominal 1
year