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7. PREPARATION FOR MEASUREMENT :

Before testing always check the following :

v

 The BAT OK led lights at power ON. If the BAT OK led does 

     not light, replace batteries with the same Specification.

v

 Check the battery voltage on the LCD display.

v

 There is no visual damage to the Instrument or test leads.

v

 Test lead continuity with a continuity meter.

8. BATTERY REPLACEMENT :

1. The BAT OK led lights  constantly  while instrument power is on. 
    If not, please replace batteries with the same specification.
2. Your  digital RCCB / ELCB  tester’s  batteries are situated under 
    the   tester.  Disconnect   the  test  leads  from  the   Instrument, 
    remove the battery cover and the batteries.
3. Replace  with  eight  1.5V R6  or  L6  batteries,  taking   care  to 
    observe correct polarity.
4. Replace the battery cover.

9. FUSE REPLACEMENT :

1. The fuse is located in the battery compartment. To replace the 
    fuse, proceed as per 

Battery Replacement

 Section to open the

    battery cover, then remove and replace the fuse located on the
    side of the batteries.
2. Make sure to place the fuse protection cover (small rubberized 
    fuse cover).
3. Only replace with the same specification fuse (1A fast blow).

10. SERVICING AND CALIBRATION :

Your  Digital  RCCB.ELCB  tester  has  been  factory  calibrated.
However, it is of good practice to have your instrument CERTIFIED
by  a  National  Calibration  Facility  and  CHECKED  every  year  by  a
professional workshop

11. CLEANING AND STORAGE :

Periodically wipe the case with a damp cloth and detergent; do not
use abrasives or solvents.
If  the instrument is not to be used for periods longer than 60 days,
remove the batteries and store them separately.

WARNING

TO AVOID ELECTRONIC SHOCK OR DAMAGE TO THE

METER, DO NOT GET WATER INSIDE THE CASE.

Summary of Contents for KM 1812EL

Page 1: ...W Mumbai 400 015 INDIA Sales Direct 022 24156638 Tel 022 24124540 24181649 Fax 022 24149659 Email kusam_meco vsnl net Website www kusamelectrical com www kusam meco co in MODEL KM 1812EL OPERATION MANUAL AN ISO 9001 2008 COMPANY DIGITAL ELCB TESTER ...

Page 2: ...nt Layout Lid Instruments RCD Test Time Delay Preparation For Measurement Battery Replacement Servicing And Calibration Test Certificate Warranty Specifications Fuse Replacement Cleaning And Storage TITLE EARTH NEUTRAL LINE MULTIFREQUENCY 50Hz 60Hz C Battery OK LIT DO NOT PROCEED LIT WIRING CORRECT N E P N P E AUTO POWER OFF 0º 180º OFF 10 15 20 30 35 50 100 125 150 175 250 275 300 375 500 3 5 7 P...

Page 3: ...otect against incorrect use Electrical circuits can be dangerous and or lethal when a lack of caution or poor safety practice is used Be careful of the voltage presented above 24V as these pose a shock Hazard 1 6 Pay attention to cautions and warnings which will inform you of potentially dangerous procedures 1 7 Rated environmental conditions 1 Indoor use 2 Installation Category III 3 Pollution De...

Page 4: ... testing 16 Characters Liquid Crystal Display 4 CONNECTIONS Line Hot Probe Connection Neutral Probe Connection Earth Ground Probe Connection LINE NEUTRAL EARTH apply only Operating Voltage 10 50Hz or 60 Hz 5 INSTRUMENT LAYOUT EARTH NEUTRAL LINE MULTIFREQUENCY 50Hz 60Hz C Battery OK LIT DO NOT PROCEED LIT WIRING CORRECT N E P N P E AUTO POWER OFF 0º 180º OFF 10 15 20 30 35 50 100 125 150 175 250 27...

Page 5: ...t the display will show T 2 999S and Hold OVER meaning the RCD did not trip below 19 999S The tripping point is out of the Range of the instrument or RCD faulty TEST PROCEDURE 1 Insert the leads into Instrument 2 Switch Instrument ON 3 Select the current using the rotary switch 4 Select positive 0º or negative 180º edge to start 5 Connect the tester to the circuit under test 6 The tester measures ...

Page 6: ...eplace the battery cover 9 FUSE REPLACEMENT 1 The fuse is located in the battery compartment To replace the fuse proceed as per Battery Replacement Section to open the battery cover then remove and replace the fuse located on the side of the batteries 2 Make sure to place the fuse protection cover small rubberized fuse cover 3 Only replace with the same specification fuse 1A fast blow 10 SERVICING...

Page 7: ...ECO authorized dealer This warranty does not apply for damaged Ic s fuses burnt PCB s disposable batteries carrying case test leads or to any product which in KUSAM MECO s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling KUSAM MECO authorized dealer shall extend this warranty on new and unused products to end user custom...

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