53
Operation
6. Read the voltage value from the display. The “-“ sign in front of
the reading indicates a negative direction of the measured
current.
Notes:
When the test leads are connected to the unit in idle state (i.e.
without being connected to a device to be measured), a
fluctuating value may be displayed on the display due to the
high sensitivity of the device. When a measurement is per-
formed how-ever, the displayed value corresponds exactly to
the specified accuracy of the unit.
If “
OL
” is shown on the display at the manual range mode, the
selected measuring range has been exceeded by the meas-
urement value. Select a higher range.
In manual measuring range mode select the highest range
when the value to be measured is unknown.
Do not exceed the maximum input voltage of 600 V
.
If the measured voltage is higher than 610 V
, the symbol
“
OL
” appears on the display and the built-in buzzer sounds.
DC Voltage Measurements - Accuracy
Range Resolution
Accuracy
660 mV
0.1 mV
6.6 V
0.001 V
66 V
0.01 V
± (0.8% of r 3 digits)
600 V
0.1 V
± (1.0% of r 5 digits)
Input impedance:
10 M
Ω
Overload protection: 660 mV range: 250 V
or 250 V rms AC
66–600
V
range:
600
V
or 600 V rms AC
Max. input voltage: 600 V
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