Megger PVK330, DCM340 Operating Manual
DCM340 Clampmeter
User Guide
Warning
Safety sheet
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Read First
Safety Information
To ensure safe operation and service
of the Meter, follow these instructi ons.
Failure to observe warnings can result
in severe injury or death.
- Avoid working alone so assistance can
be rendered.
- To enhance safety, test leads should be
disconnected from instrument when not
in use.
- Do not use test leads or the Clamp
Meter if they look damaged.
- Do not use the Meter if the Clamp
Meter is not operating properly or if it
is wet.
- Use the Clamp Meter only as speci fied
in the Instruction card or the protection
provided by the Clamp Meter might be
impaired.
- Special precautions are necessary
when operating in situations where
exposed live parts at dangerous
voltages may be encountered. Personal
protective equipment (not supplied with
this instrument) should be used.
- The test leads sould be disconnected
from the instrument when making a
current measurement.
- Use caution with voltages above 30 V
ac rms, or 60 V dc. These voltages
pose a shock hazard.
Symbols as marked on the
Meter and Instruction card
Risk of electric shock
See instruction card
DC measurement
Equipment protected by double or
reinforced insulation
Battery
Earth
AC measurement
Conforms to EU directives
If the meter is used in the vicinity of
equipment which generates electromagnetic interference, the display may
become unstable or the measurements
show may be subject to large errors.
Caution
Off / On
Auto Power Off
30min
Auto Power Off disable :
Press buttons (except Hold button) than
switch the rotary knob to power on the
Meter.
AC V / DC V
Resistance
Continuity
ACA / DCA
CAT.Ⅲ.600V
with respect to
A
0
9
5
earth for the jaw.
Tactile barrier for
Hand Guard.
Do not hold the
meter in front of
the Tactile Barrier.
I
√
I
I
I
X
Hz
X
I + (-I) = 0
Zero
o REL: Meter save the displayed
offset value after one press of the
ZERO button . T h e LCD is display ing the relative value.
p REL (flashing): A se cond press of
the ZERO button saves the offset
value, with the present va lue then
displayed.
n Normal : Press and hold ZERO for
≧2 sec to return to normal opera tion and cancel the offset value.
Data Hold
Min / Max Hold
o MAX: Meter is saving the maxi mum and minimum value. Maxi mum value is displayed.
p MIN: Meter is saving the maxi
mum and minimum value. Mini mum value is displayed.
q MAX MIN (flashing): Meter is
saving the maximum and mini mum values. Present value is
displayed.
n Normal : Press and ho ld MIN
MAX to return to normal operation.
Battery Replacement
Peak Hold
o P
: Meter is saving the peak
MAX
maximum and minimum value.
Peak maximu m value is displayed.
p P
: Meter is saving the peak
MIN
maximum and minimum value.
Peak minimum value is displayed.
q CA L : Press and hold PEAK but-
ton≧3 sec to calibrate the
Meter itself for accurate meas-
urement.
n Normal : Press and hold PEAK
button to return to norm al opera tion.
z
H
0
5
A
C
A
A
0
Low battery :
“” is displayed or displays
“” a flash when press
button.
Back Light
Back light Automatic off after 60
seconds.
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