Measuring Methods - AD Instruments AD1106 Manual De Usuario

Medidor de impedancia de audio

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MEASURING METHODS

BEFORE PROCEEDING MEASUREMENT, READ SAFETY NOTES ON PAGE 3.

1. Ensure the system under test is not live.

2. In proceeding with measurement, if "

display, replace with new batteries.

3. Short the tips of the leads. Adjust the 0 Ω .ADJ control to set the reading of

zero.

4. Rotary the function switch to suitable range then press the pushbutton to

test and take the reading.

5. A drawing of the system should be made before testing so the

measurement can be attributed to network.

6. Measure system power-an 10W up.

P=V 2 I Z

For example on a 100V system:

If P=50W Z=V 2

(1) The tester can measure load down to 2k Ω .(10W at

100V line).

(2) The tester can't measure 100V system with power lower than 10W.

" symbol appears on the

P=ZI 2

I P=100 2 I50=200

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