Sper-scientific 840073 Multimeter - Auto-Ranging Manuel d'utilisateur télécharger pdf (Page 17)

1. DC Voltage Measurement (figure 2)

G. Make Measurements(2)

( figure 2 )

1) Never measure voltage value exceeding 500V, although it is possible

to get the reading, which will cause damages to the internal circuit and

hurt users;

2) Measuring value input from “V

Ω

mA” (red test lead) and “COM”

(black test lead.)

3) The Meter has auto-range function

with initial range 400mV, at which,

the meter may display irregular

digits for open Circuit, and come

to ZERO for short circuit, which

are both normal.

Model UT30A: OPERATING MANUAL

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Sper-scientific 840073 Multimeter - Auto-Ranging Manuel d'utilisateur Page 17