Measurement Operation (2)
Note
l If the value of voltage to be measured is unknown, use the maximum
measurement position (300V) and reduce the range step by step until a
satisfactory reading is obtained.
l In each range, the Meter has an input impedance of approx. 0.5MΩ. This loading
effect can cause measurement errors in high impedance circuits. If the circuit
impedance is less than or equal to 1kΩ, the error is negligible (0.2% or less).
l When AC voltage measurement has been completed, disconnect the connection
between the testing leads and the circuit under test.
12
Model UT20B: OPERATING MANUAL
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