Draper A.C. Bedienungsanleitung
DIGITAL A.C./D.C.
CLAMP MULTIMETER
■STOCK No. 56734 ■PART No.DMM9
5/99
• INSTRUCTIONS •
IMPORTANT:- PLEASE READ THESE INSTRUCTIONS CAREFULLY
TO ENSURE THE SAFE AND EFFECTIVE USE OF THIS TOOL
- 1 -
FEATURES
■Designed to meet International Safety Standards, IEC 1010-1 and VDE0411.
■Tear-drop shaped jaws for ease to use in crowded cable areas.
■Electronic overload protection up to 250V/A.C. and D.C. on resistance range.
■Continuity buzzer ideal for checking the continuity of transformers and motor
coils.
■Data Hold Function in all ranges to allow easy reading in hard-to-reach location.
■Peak Hold Function allows user to check the status of a transitional period.
■Surge and overload protection in ranges.
■1.5% accuracy on 0 to A.C. 600A range at 50Hz and 60Hz.
■40Hz-1KHz frequency response for A.C. current and voltage measurement.
SPECIFICATIONS
RANGE FULL-SCALE RESOLUTION FREQUENCY ACCURACY
AC 200A 0-199.9A 0.1A 50/60Hz ±1.5%rdg±4dgt
40-400Hz ±2.5%rdg±4dgt
AC 600A 0-600A 1A 50/60Hz ±1.5%rdg±4dgt
40-400Hz ±2.5%rdg±4dgt
AC 600V 0-600V 1V 50/60Hz ±1.5%rdg±4dgt
40-400Hz ±2.5%rdg±4dgt
DC 600V 0-600V 1V ±1.0%rdg±1dgt
R 2000Ω0-1999Ω1Ω±1.0%rdg±2dgt
- 2 -
SPECIFICATION cont’d . . .
KNOW YOUR MULTIMETER
■Jaw opening : Ø 33mm approx.
■Display : 31⁄2digit (2000 count) LCD
■Surge protection : Protected by SG (Spark Gap)
■Overload protection : Protected by PTC in the Resistance range
(Protected circuit from A.C. 250V)
■Data Hold : Operates in all ranges
■Peak Hold : Operates in all ranges
■Op. Temp. & Humidity : 0 ˚C~ +50˚C; 80% max. RH.
■Storage Temp. & Humidity : -20 ˚C~ +60˚C; 80% max. RH.
■Power Supply : 9V Battery x 1EA (6F22, NEDA1604 or equivalent
■Dimensions : 204(L) x 80(W) x 43(D)mm
■Accessories : include-
Test leads, Instruction manual, Battery 9V,
Carrying Case, Option-line splitter (inline
inductive pickup/multiplier)
132(L) x 50(W) x 16(D)mm
Transformer
jaws
Display
COM.
Terminal
VOLT & OHM
Terminal
Range selector
switch
Trigger
■Do not exceed maximum allowable input of any function when making
measurement.
■Even though protection circuit is included in the meter, it would be better not to
apply voltage in OHM range.
■Do NOT expose the instrument to the direct sun, extremes of temperature and
humidity or dew-fall.
■Always set the select knob to the OFF position after use.
■When storing for a long time the battery should be taken out to prevent it from
leaking battery liquid which can damage the interior parts.
WARNING
This meter is designed with your safety in mind. However, no design can
completely protect you against incorrect use.
Electrical circuits can be dangerous and/or lethal when lack of caution or poor
safety practices are used.
SAFETY NOTES
- 3 -
DESCRIPTION OF WARNING SYMBOLS
Earth (ground) TERMINAL.
Equipment protected throughout by DOUBLE
INSULATION or REINFORCED INSULATION.
Caution, risk of electric shock.
Caution (refer to accompanying document).
WARNING:
Sources like small hand-held radio receivers, fixed station radio and television
transmitters, vehicle radio transmitters and cellular phones generate
electromagnetic radiation that may induce voltages in the test leads of the
multimeter. In such cases the accuracy of the multimeter cannot be guaranteed due
to physical reasons.
- 4 -
A.C. CURRENT MEASUREMENT
WARNING:
MAKE CERTAIN THAT ALL TEST LEADS ARE DISCONNECTED FROM INSTRUMENT
TERMINALS.
1. Set the range selector switch to the highest 600A range position.
2. Press the trigger to open the transformer jaws and clamp on to one conductor
only (Fig.1). Take the current reading directly. It is recommended that the
conductor be placed at the centre of the closed jaws for maximum accuracy.
3. When the reading is lower than 200A, set the range selector switch to the 200A
range position.
A.C.VOLTAGE MEASUREMENT
1. Set the range selector switch to the A.C. 600V range position. Insert the red test
lead into the V/Ωterminal of the instrument and black test lead into the COM
terminal.
2. Connect the probe tips to the circuit under test and take the voltage reading
directly.
D.C.VOLTAGE MEASUREMENT
1. Set the range selector switch to the D.C. 600V range position. Insert the red test
lead into the V/Ωterminal of the instrument and black test lead into the COM
terminal.
2. Connect the probe tips to the circuit under test and take the voltage reading
directly.
OPERATIONS
CORRECT WRONG
Fig.2Fig.1
- 5 -
OPERATION cont’d . . .
RESISTANCE MEASUREMENT AND CONTINUITY CHECK
WARNING:
MAKE CERTAIN THAT THERE IS NO VOLTAGE IN THE CIRCUIT OF COMPONENTS
BEING MEASURED.
1. Set the range selector switch to the OHM (Ω) position.
2. Insert the red test lead into the V/Ωterminal of the instrument and the black
test lead into the COM terminal.
3. The display should indicate an over range condition (display “1”) when the
test leads are open.
4. Short the test leads and make certain that the display reads zero and that the
buzzer also sounds.
5. Connect the test leads to the circuit under test and take the resistance reading.
When the resistance measured reading is below 40Ω, the buzzer sounds. It is
continuity check.
DATA HOLD FUNCTION
The reading will be put on hold when the Data Hold Bottom Switch is pressed. If the
Bottom Switch is pressed once again, it will release the hold and allow a further
measurement.
PEAK HOLD FUNCTION
If you press the Peak Hold Bottom Switch, the peak reading will hold. Press once
again the Bottom Switch, it will release the hold and allow a further measurement.
BATTERY REPLACEMENT
If the “BAT” ( ) symbol appears on the display, you must replace the battery.
1. Remove the test leads from the instrument terminals and set the power switch
to the OFF position.
2. Unscrew the battery compartment cover.
3. Replace with a new 9V battery.
- 6 -
DECLARATION OF CONFORMITY
We
Draper Tools Ltd. Hursley Road, Chandler's Ford, Eastleigh, Hampshire. SO53 1YF.
England.
Declare under our sole responsibility that the product:
Stock Number:- 56734 Part Number:- DMM9.
Description:- Digital Clamp Multimeter
To which this declaration relates is in conformity with the following directive(s):
73/23/EEC & 89/336/EEC.
With reference to EN61010-1:1995, EN61010-2-31, EN61010-3-32, EN50081-1,
EN55022, EN50082-1, EN61000-4-2/-3/-8 & ENV50204.
JOHN DRAPER
Managing Director (05/99)
DRAPER TOOLS LIMITED,
Hursley Road, Chandler's Ford,
Eastleigh, Hants. SO53 1YF. England.
Tel: (01703) 266355.
Fax: (01703) 260784.
©Published by Draper Tools Ltd.
No part of this publication may be reproduced,
stored in a retrieval system or transmitted in
any form or by any means, electronic, mechanical
photocopying, recording or otherwise without prior
permission in writing from Draper Tools Ltd.
Dieses Handbuch passt für folgende Modelle
3
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