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CLAMP TESTER 

MODEL 290RMS 

INSTRUCTION MANUAL 

 Thank you very much for selecting our digital AC/DC clamp  

tester model 290RMS.   

    This model is complex instrument and employ a very reliable 
  mechanical/electronic design. 

  Before you use your new instrument, read this instruction 

  manual completely and familiarize yourself thoroughly with 

all functions and keep this instruction manual carefully to   
take out whenever you need. 

    MULTI MEASURING INSTRUMENTS CO.,LTD. 
  Akihabara Murai Bldg., 7F, 1-26 Kanda Sakuma-cho 15 
    Chiyoda-ku, Tokyo, Japan 

 TEL : 81-3-3251-7013  FAX : 81-3-3253-4278 

    Home Page : 

http://www.multimic.com/

 

    E-mail : 

[email protected]

 

Summary of Contents for 290RMS

Page 1: ...ign Before you use your new instrument read this instruction manual completely and familiarize yourself thoroughly with all functions and keep this instruction manual carefully to take out whenever you need MULTI MEASURING INSTRUMENTS CO LTD Akihabara Murai Bldg 7F 1 26 Kanda Sakuma cho 15 Chiyoda ku Tokyo Japan TEL 81 3 3251 7013 FAX 81 3 3253 4278 Home Page http www multimic com E mail multi mul...

Page 2: ...e circuit Do not make measurements of power lines carrying more than AC DC 600V Before use check and confirm the voltage of circuit to be measured Apply only the coated cables and do not clamp the bare cables POSSIBLE ELECTRICAL SHOCK OR ACCIDENT Do not handle the instrument in the rain at humid place with a drop of water and or with wet hands Do not use the instrument if the CT or CT case are dam...

Page 3: ...ety Standard Meets the requirements for double insulation to IEC 1010 2 032 IEC 1010 1 1995 EN 61010 1 1995 installation CategoryⅡ600V phase to earth CategoryⅢ300V phase to earth E M C Standard The instrument meets EN 60081 1 and EN 50082 1 1992 Jaw Opening Capability 30mmφ Over Range Indication OL mark on LCD Low Battery Indication B mark on LCD Data Hold Indication DH mark on LCD 0 adjustment fo...

Page 4: ... pressing one time DH Data Hold on LCD and it will be released by pressing one more time ADJ By pressing this key can make the display value to 0 at DCA Display Digital display for measured value with annunciators and battery condition Input Terminal Input position for voltage and resistance In case of DC red terminal is polarity Battery Compartment On the reverse side Batteries are installed Hand...

Page 5: ...nductor to be measured and close CT completely Set the conductor to be located in the center position of CT 4 Read the displayed value In case of over range the display will show OL 5 In the place where can hardly read the display use the Data Hold Switch 6 After the measurement set the range switch to OFF DC Voltage V Measurement 1 Set the range switch to V 2 Set AC DC switch to DC 3 Insert test ...

Page 6: ...t make 0 adjustment each time and mark will be displayed The 40A range is high sensitive and the last digit may get unstable but it is not abnormal WARNING POSSIBLE ELECTRICAL SHOCK Test probes are consumption articles Confirm that there are no damage at the insulate coat part of probes If you find any unusualness stop the use instantly and repair or replace the probes POSSIBLE FIRE HAZARD BURN Co...

Page 7: ...e instrument B sign will appear on the display when batteries are exhausted and get less than operation voltage Replace to new batteries immediately Do not use the batteries mixed new one and once used and or different kind ones How to replace the batteries Remove the screw fixing battery cover at the bottom of rear case by driver and slide remove the battery cover to the direction of arrow mark P...

Page 8: ...ontact the dealer where you bought the instrument The warranty period is 12 months from the date of purchase and the instrument shall be repaired at free of charge provided that we judge the cause of defect is obviously resulted from our responsibility GURANTEE REGULATIONS 1 This instrument is warranted for the operation under normal use for 12 months from the date of purchase 2 This warranty does...

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