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External DMM Ohmmeter Connections

Test

Channels

Closed*

HI LO

Sense

Measured Value

Test

Limit

Relay

Measured

24 Ch 21 H Com L Com H Com L Com __________ Ohms

2.00Ω

K401, K422

25 Ch 22 H Com L Com H Com L Com __________ Ohms

2.00Ω

K402, K422

26 Ch 23 H Com L Com H Com L Com __________ Ohms

2.00Ω

K403, K422

27 Ch 24 H Com L Com H Com L Com __________ Ohms

2.00Ω

K404, K422

28 Ch 25 H Com L Com H Com L Com __________ Ohms

2.00Ω

K405, K422

29 Ch 26 H Com L Com H Com L Com __________ Ohms

2.00Ω

K406, K422

30 Ch 27 H Com L Com H Com L Com __________ Ohms

2.00Ω

K407, K422

31 Ch 28 H Com L Com H Com L Com __________ Ohms

2.00Ω

K408, K422

32 Ch 29 H Com L Com H Com L Com __________ Ohms

2.00Ω

K409, K422

33 Ch 30 H Com L Com H Com L Com __________ Ohms

2.00Ω

K410, K422

34 Ch 31 H Com L Com H Com L Com __________ Ohms

2.00Ω

K411, K422

35 Ch 32 H Com L Com H Com L Com __________ Ohms

2.00Ω

K412, K422

36 Ch 33 H Com L Com H Com L Com __________ Ohms

2.00Ω

K413, K422

37 Ch 34 H Com L Com H Com L Com __________ Ohms

2.00Ω

K414, K422

38 Ch 35 H Com L Com H Com L Com __________ Ohms

2.00Ω

K415, K422

39 Ch 36 H Com L Com H Com L Com __________ Ohms

2.00Ω

K416, K422

40 Ch 37 H Com L Com H Com L Com __________ Ohms

2.00Ω

K417, K422

41 Ch 38 H Com L Com H Com L Com __________ Ohms

2.00Ω

K418, K422

42 Ch 39 H Com L Com H Com L Com __________ Ohms

2.00Ω

K419, K422

43 Ch 40 H Com L Com H Com L Com __________ Ohms

2.00Ω

K420, K422

* Only the channels currently under test should be closed at one time. All other channels should be open.

Note: If the first 20 or last 20 relays have high resistance values, it is likely that relay K422 is bad.

Module Reference

Chapter 4 Calibration Procedures

Relay Verification

111

Brand	Agilent Technologies
Model	34970A
Category	Switch
Language	English

Agilent Technologies 34970A Service Guide

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