3B SCIENTIFIC PHYSICS E 1006809 Instruction Sheet - Page 3

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A
Measuring range
20 µA, 200 µA, 2 mA
20 mA
200 mA
2 A, 20 A
AC current
Measuring voltage drop:
Frequency range:
Ω
Measuring range
200 Ω
2 kΩ, 20 KΩ, 200 kΩ
2 MΩ
20 MΩ
Accuracy is given for 1 year after calibration at
23°C ±5°C, RH<75%.
6. Operation
6.1 Method of measurement
!
Warning! Dangerous voltages may be
present at the Input terminals and may not be
displayed.
6.1.1
Voltage measurement
•
Set the measurement range dial at the re-
quired position
•
Connect the black test lead to the meas-
urement socket "COM" and the red test lead
to the "V/Ω" socket. The meter is connected
parallel to the measuring point. The polarity
of the red lead connection will be indicated
at the same time as the voltage.
Note
•
lf the voltage to be tested is unknown be-
forehand, set the measurement range dial to
the highest range and work down.
•
When only the figure "1" is displayed, over
range is being indicated and the measure-
ment range dial has be set to a higher
range.
•
Never measure voltages higher than 1000 V.
6.1.2
Current measurement
•
Set the measurement range dial at the re-
quired position
•
Connect the black test lead to the meas-
urement socket "COM" and the red test lead
to the "A" socket for measurements up to
Accuracy
±2.0 % ± 3 digits
±2.0 % ± 5 digits
±2.5 % ± 10 digits
200 mV
40 – 400 Hz
Accuracy
±1.0 % ± 10 digits
±1.0 % ± 4 digits
±1.0 % ± 10 digits
or
.
or
.
2 A. For measurements over 2 A connect it
to the socket "20A". The meter is connected
in series to the measuring object. The polar-
ity of the red lead connection will be indi-
cated at the same time as the current.
Note
•
lf the current to be tested is unknown be-
forehand, set the measurement range dial to
the highest range and work down.
•
When only the figure "1" is displayed, over
range is being indicated and the measure-
ment range dial has be set to a higher
range.
•
Limit measurements inthe 20A range to
max. 15 s.
6.1.3
Resistance measurement
!
Warning! To avoid electrical shock or
damage to the meter when measuring resis-
tance in a circuit, make sure the power to the
circuit is turned off and all capacitors are dis-
charged.
•
Set the measurement range dial to the Ω
range.
•
Connect the black test lead to the meas-
urement socket "COM" and the red test lead
to the "V/Ω" socket. Measurement is done
parallel to the resistor
Note
•
lf the resistance to be tested is unknown
beforehand, set the measurement range dial
to the highest range and work down.
•
When only the figure "1" is displayed, over
range is being indicated and the measure-
ment range dial has be set to a higher
range.
When the input is not connected, i.e. at open
circuit, the figure "1" will be displayed for the
over range conditlon.
6.1.4
Diode test
•
Set the measurement range dial to
•
Connect the black test lead to the meas-
urement socket "COM" and to the cathode of
the diode. Connect the red test lead to the
"V/Ω" socket and the anode of the diode.
Note
When the input is not connected, i.e. at open
circuit, the figure "1" will be displayed
The meter displays the forward voltage drop and
displays figure "1" for overload when the diode
is reversed.
6.1.5
Continuity test
!
Warning! To avoid electrical shock or
damage to the meter when measuring continuity
in a circuit, make sure the power to the circuit is
turned off and all capacitors are discharged.
•
Set the measurement range dial to
3
.
.