3M manual Self-TestBoard>Check Opens, 3965AMS

3M™ Dynatel™ Advanced Modular System 965AMS Self-Test Board

Self-Test Board

A self-test board is included with the 965AMS tester to verify the performance of Opens and RFL. This is particularly important if operating conditions (shock, temperature, etc.) have changed and you want to check the function accuracy.

3965AMS

Self-Test Board>Check Opens

1.Connect the test leads as shown. Press the key on the 965DSP/SA tester. You should see the following readings for different types of cable (US and Canada).

3965AMS

Measurement		Capacitance			Aircore	Jelly-Filled
Black to Red or	Min			9.35 nF	395 ft (120 m)	350 ft (107 m)
Black to Green	Max		0.011 uF		450 ft (137 m)	400 ft (122 m)
Red to Black	Min			9.35 nF	595 ft (181 m)	595 ft (181 m)
	Max		0.011 uF		680 ft (207 m)	680 ft (207 m)

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