Megger DCM1500 User manual
DCM1500 clampmeter
User Guide
Manuel de l’utilisateur
Guía del usuario
Bedienungsanleitung
Gebruikershandleiding
2
Hz
1500 A
3
GSafety Information
To ensure safe operation and service of the meter,
follow these instructions. Failure to observe warnings can
result in severe injury or death.
QAvoid working alone so assistance can be rendered.
QTo enhance safety, test leads should be disconnected from
instrument when not in use
QDo not use test leads or the clamp meter if they
look damaged
QDo not use the clamp meter if the tester is not operating
properly or if it is wet.
QUse the clamp meter only as specified in the instruction
card or the protection provided by the clamp meter may be
impaired.
QSpecial precautions are necessary when operating in
situations where exposed live parts at dangerous voltages may
be encountered. Personal protective equipment (not supplied
with the instrument) should be used.
QThe test leads should be disconnected from the instrument
when making a current measurement.
QUse 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
FRisk of electric shock
GSee instruction card
dDC measurement
tEquipment protected by double or reinforced insulation
Battery
gEarth
aAC measurement
cConforms to EU directives
GCaution: If the meter is used in the vicinity of equipment which
generates electromagnetic interference, the display may become unstable
or the measurements may be subject to large errors.
4
Off/On Auto Power Off
Auto Power Off disable: Press buttons (except Hold button) then
switch the rotary knob to power on the meter.
AC V / DC V Resistance
Continuity
5
AC A / DC A
GCAT IV 600 V - With respect to earth for the jaw
GDo not hold the meter in front of the tactile barrier.
Hz
ϑ
Tactile barrier for
hand guard
6
Zero
Using the Relative mode (REL), a stable value can be stored, the instrument
zeroed at that point, and then any variation from that value is displayed as
a direct measurement relative to the stable value.
2. Make a measurement and then press the ZERO button.
REL: Meter stores the measured value after pressing the
ZERO button.
3. REL (flashing): The meter saves the offset value. Present
value is displayed.
1. Normal: Press and hold ZERO for > 2 seconds to return
to normal operation and cancel the offset value.
Data Hold
7
Min / Max Hold
2. MAX: Meter is saving
the maximum and
minimum value.
Maximum value is
displayed.
3. MIN: Meter is saving
the maximum and
minimum value.
Minimum value is
displayed.
4. MAX MIN (flashing):
Meter is saving the
maximum and
minimum value. Present
value is displayed.
1. Normal: Press and hold
MIN MAX to return to
normal operation.
Battery Replacement
Replace battery: is displayed.
8
Peak Hold
2. PMax: Meter is saving
the peak maximum and
minimum value. Peak
maximum value id
displayed.
3. PMin: Meter is saving
the peak maximum and
minimum value. Peak
minimum value is
displayed.
4. CAL: Press and hold
PEAK button >
3seconds to calibrate
the instrument for
accurate measurement.
1. Normal: Press and
hold PEAK button to
return to normal
operation.
Back Light
Back light Automatic off after 60 seconds.
9
Specifications
General Specifications
LCD display digits: 3 ¾ digit large scale LCD readout.
Display count: 4000 counts.
Measuring rate: 1.5 times / sec.
Overrange display: “OL” is displayed for “Ω” functions, shows
the real value for “A” and “V” function.
Automatic power off time:
Approximately 30 minutes after power on.
Low battery indicator:
is displayed. Replace the battery
when the indicator appears in
the display.
Power requirement: 9 V PP3 / 6LR61 battery.
Rechargeable batteries are not recommended
for use with this instrument.
Battery life: 100 hours.
Environmental Conditions
Indoor Use.
Calibration: One year calibration period is recommended
Operating temperature :
0°C ~ 30°C (≤ 80 % RH)
30°C ~ 40°C (≤ 75 % RH)
40°C ~ 50°C (≤45 % RH)
Storage temperature:
-20 to +60°C, 0 to 80% RH
(batteries not fitted).
Measurement Category:
(acc. to CAT IV 600 V)
Application around and removal from UNINSULATED HAZARDOUS LIVE
conductors permitted. Personal protection must always be observed.
Operating altitude: 2000m (6562 ft)
Conductor Size: 51mm diameter.
Pollution degree: 2
EMC: EN 61326-1
Shock vibration: Sinusoidal vibration per MIL-T- 28800E
(5 ~ 55 Hz, 3g maximum).
10
1-3 Electrical Specifications
Accuracy is ±(% reading + number of digits) at 23°C ± 5°C, less than 80%
R.H.
Temperature coefficient:
0.2 × (Specified accuracy) /°C, <18°C, >28°C
Operating temperature:
0°C ~ 30°C (≤ 80% RH)
30°C ~ 40°C (≤ 75% RH)
40°C ~ 50°C (≤ 45% RH)
AC Volts: Auto-ranging
Range Resolution Accuracy Over voltage
protection
400.0 V 100 mV ±(1.0% reading + 5 digits)
50Hz ~ 500Hz * 750 V rms
750 V 1 V
* add 2 digits to accuracy when reading less 15% of full scale.
Input Impedance: ≥1MΩ// less than 100pF.
AC Conversion Type:
AC Conversions are ac-coupled, true rms responding, calibrated to the rms
value of a sine wave input. Accuracies are given for sine wave at full scale
and non-sine wave below half scale. For non-sine wave add the following
Crest Factor corrections:
For Crest Factor of 1.4 to 2.0, add 1.0% to accuracy.
For Crest Factor of 2.0 to 2.5, add 2.5% to accuracy.
For Crest Factor of 2.5 to 3.0, add 4.0% to accuracy.
Max.CF 2 @ 600V
1.5 @ 750V
DC Volts: Auto-ranging
Range Resolution Accuracy Over voltage
protection
400.0 V 100 mV ± (0.7% reading + 2 digits) 1000 V rms
1000 V 1 V
Input Impedance: ≥1MΩ
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