Sper-scientific 840073 Multimeter - Auto-Ranging Uživatelský manuál stáhnout pdf (Strana 18)

G. Make Measurements(3)

4) For ranges except 400mV, input impedance 10M

Ω, this can cause

measuring tolerance at high impedance circuit ,If circuit impedance

is equal or less than 10kΩ, you can ignore the tolerance (0.1% or lower).

5) The meter would clatter with flash of LCD reading if input exceeding

1000V, which warns you should pay extra attention.

Model UT30A: OPERATING MANUAL

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Sper-scientific 840073 Multimeter - Auto-Ranging Uživatelský manuál Strana 18