Velleman DCM268N Bedienungsanleitung PDF herunterladen (Seite 4)

DCM268N

00 (28/11/2008) 4 Velleman

• Avoid body contact with ground potential (e.g. metallic terminals, output sockets, lead

clamp…) while measuring. Make sure to be electrically insulated from ground during

measurement.

• Calibration and repair must be performed by a qualified technician. Refer to your local

dealer.

4. Features

• true RMS measurement of AC current and voltage

• large 4000 count LCD display with bar graph

• peak-hold function to record min. and max. readings for current and voltage

• data-hold function

• DCV (0.1mV~ 600V) and ACV (0.1mV~600V) measurements

• ACA and DCA (0.01~1000A) current measurements

• max. Ø for conductor: 30mm

• resistance measurements: 0.1~40Mohm

• frequency measurements: 0.001~4KHz

• capacitance measurement: 0.001nF~40mF

• temperature measurements: -40°C to 1,000°C

• diode test, continuity test and backlight

• K-type thermocouple measuring range: from -20°C to 1000°C

• optional probes (not incl.): SONDE890, SONDE8264

• safety: indoor use only (overvoltage Cat. III 600V)

5. Overview

Refer to the drawings on page 2 of this manual.

1 current clamp 7 DCA zero button

2 clamp trigger 8 backlight on/off button

3 rotary function switch 9 LCD display

4 data hold button 10 COM jack

5 mode select button 11 V··CAP·TEMP·HZ jack

6 peak hold button

6. Operation

GENERAL

• When the range of the measured signal is unknown, start measurement in auto-range

mode, and then select range according to indicated value.

• The display shows “OL” when the present range limit is exceeded. Select a higher range

to continue measurement.

• Do not measure voltages > 600 V or current higher than 1000A. Never turn the rotary

function switch [3] during measurement.

• The device will go in sleep mode when no activity is detected for ±20 min.

• For all measurements: pressing the data hold button [4] freezes the currently measured

value until the data hold button [4] is pressed again. The hold-mode is indicated by the

H-symbol in the display.

• To switch on the backlight, press the backlight button [8], to switch it off, press the

backlight button [8] again. The use of backlight will reduce battery life.

• Peak hold function: for AC measurements, pressing the peak hold button [6] once will

show only the maximum measured value on the display [9], indicated with a P

MAX

indicator. Pressing the peak hold button [6] again will show only the minimum measured

value on the display [9], indicated with a P

MIN indicator. To exit the peak hold function,

press and hold the peak hold button [6] for ±3 seconds until the P

MAX or PMIN indicator

disappears.

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