Velleman DVM68 Notice D'emploi page 7

c. DATA HOLD button
When this button is pushed, the display will show the last reading a
appear until the button is pushed again.
Data holding will be cancelled automatically when the function switch is
d. AC/DC Current of
Push this button to select AC or DC current measuring function when t
at IA, mA, A positions.
Push this button to select
position.
e. Input jacks
This meter has four input jacks that are protected against overload to
connect the black test lead to the COM jack and the red test lead as sh
Function
DCV / ACV
kHz
Ω / /
IA / mA
nF / IF
A
7. Operation
Risk of electric shock during operation. Be very careful when m
Before measuring, always make sure the meter and/or test probes
verify the connections, selected function and range.
Never exceed the limit value for protection. This limit value is listed sep
•
specifications for each range of measurement.
Do not touch unused terminals when the meter is linked to a circuit wh
•
Only use the meter in the indicated overvoltage/installation category. N
•
that might exceed the indicated category values.
Disconnect the test leads from the tested circuit before rotating the ran
•
change functions.
When carrying out measurements on a TV set or switching power circu
•
that high amplitude voltage pulses at the test points might damage the
Always be careful when working with voltages above 60Vdc or 30Vac rm
•
behind the probe barriers at all times during measurement.
Do not measure current in circuits with voltages > 250V
•
Never perform resistance, diode, continuity or capacitance measureme
•
Make sure all capacitors in the circuit are discharged.
7.1 Voltage measurements
Do not measure circuits where voltages > 600V CAT III or >
occur.
Always be careful when working with voltages above 60Vdc or 30V
fingers behind the probe barriers at all times during measurement
terminals when the meter is linked to a circuit which is being teste
Connect the black test lead to the COM jack and the red test lead to th
•
Set the rotary selector to V
•
Connect the test leads to the circuit under test.
•
The measured value appears on the display.
•
When desired, select a range manually with the RANGE button.
•
25.02.2011
DVM68
/ selecting button
or measuring when the function swit
Red Lead Connection
V / Ω / F
V / Ω / F
V / Ω / F
mA / Cx
mA / Cx
A
for AC measurements or to V
7
g and " DBH " symbol will
h is rotated.
n the function switch is set
witch is set at
shown below
Input L t Limits
1000V DC or 7 r 750V AC rms
250V DC o C or AC rms
250V DC o C or AC rms
300mA DC C or AC rms
300mA fuse se protected
10A DC or
IA/ mA and A ranges ges are protected by fuses.
n measuring live circuits.
es are not damaged and
separately in the
which is being tested.
. Never measure voltages
range selector in order to
cuits, always remember
the meter.
c rms. Keep your fingers
or > 1000V CAT II may
0Vac rms. Keep your
nt. Do not touch unused
sted.
the VLF jack.
for DC m C measurements.
Rev. 01
/
to the limits. During use,
or AC rms
ents on live circuits.
©Velleman nv