Calibration Procedures 4
Keysight 34970A/34972A Service Guide 99
Enable reading monitoring by pressing on the selected channel (or use the
ROUTe:MON command). Record the 4-wire ohms measurements from the external
DMM in the following table.
Tests 9 - 10:
Open all channels on the module by performing a Factory Reset. Configure
Channel 10 (module in slot 200) as follows: 4-wire ohms, 1 kW range, and 5½
digits.
Enable reading monitoring by pressing on the selected channel (or use the
ROUTe:MON command). Record the 4-wire ohms measurements from the external
DMM in the following table.
Test #
Channel
Configured
External DMM Ohmmeter Connections
Measured Value
Test
Limit
Relay Measured
HI LO HI Sense LO Sense
6 Ch 20 P2 P2 P1 P1 ________Ohms 2.00 W K421
7 Ch 20 P2 P2 P3 P3 ________Ohms — —
8 Subtract (Test 7 - Test 6) ________Ohms 2.00 W K422
Test #
Channel
Configured
External DMM Ohmmeter Connections
Measured Value
Test
Limit
Relay Measured
HI LO HI Sense LO Sense
9 Ch 10 P2 P2 P3 P3 ________Ohms — —
10 Subtract (Test 9 - Test 3) ________Ohms 2.00 W K423