UNI-T UT90A Specifikace stáhnout pdf (Strana 15)

Measurement Operation(2)

l The LCD displays “1” indicating the existing selected

range is overloaded, it is required to select a higher

range in order to obtain a correct reading.

l In each range, the Meter has an input impedance

of approx. 10MΩ. This loading effect can cause

measurement errors in high impedance circuits. If

the circuit impedance is less than or equal to 10kΩ,

the error is negligible (0.1% or less).

l When DC voltage measurement has been completed,

disconnect the connection between the testing leads

and the circuit under test.

Model UT90A: OPERATING MANUAL

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UNI-T UT90A Specifikace Strana 15