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Multi RLM-10+ Instruction Manual

Rogowski leak meter
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ROGOWSKI LEAK METER
MODEL RLM-10+
CE compliant version
INSTRUCTION MANUAL
Thank you very much for selecting our model RLM-10+ Flexible
Leakage Current Meter.
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,
Chiyoda-ku, Tokyo, Japan, 101-0025
TEL : +81-3-3251-7016 FAX : +81-3-3253-4278
Home Page :
http://www.multimic.com/
E-mail :
multi@multimic.com

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Summary of Contents for Multi RLM-10+

  • Page 1 MULTI MEASURING INSTRUMENTS CO.,LTD. Akihabara Murai Bldg. 7F, 1-26 Kanda Sakuma-cho, Chiyoda-ku, Tokyo, Japan, 101-0025 TEL : +81-3-3251-7016 FAX : +81-3-3253-4278 Home Page : http://www.multimic.com/...

  • Page 2: Safety Summary

    SAFETY SUMMARY observe by all means ● To use this instrument safely, read this “SAFETY SUMMARY” carefully and apply the instrument correctly. ● The CAUTIONs and WARNINGs which appear on the following pages are stated to prevent the operator & other people from the dangers and their properties from the damages beforehand.
  • Page 3 1. GENERAL This instrument is the world first superior AC leakage current clamp tester using Rogowski method flexible sensor which can be bent freely. Even coreless coil sensor but least influence from the external magnetic fields and residual current with wide ranges (1.0mA ~ 999.9A). 2.

  • Page 4: General Specifications

    3) GENERAL SPECIFICATIONS Circuit voltage : less than AC 600V Overvoltage Category : CAT-IV 600V or CAT-III 1000V Applicable Standards : (EMC) IEC 61326-1 (Safety) IEC 61010-1,EN 61010,IEC61010-2-32 RoHS Directive Operating temperature : 0～40℃, < 80%RH (without condensation) Storage temperature :－10～60℃, <...
  • Page 5 ③ Filter Switch : By pressing this switch, “FL” mark on LCD and Filter function starts which will cut high frequency component. By pressing switch once again, this function will be released(Filter characteristics: fc=Secondary LPF of 150Hz). ④ ｢D-HOLD｣ Switch: By pressing this switch, “DH” mark on LCD and the displayed value will be hold.
  • Page 6 5-2) CT handling This clamp-type CT has very sensitive construction, in order to achieve better reading with high accuracy. Therefore, damage or twisting power to CT may cause breakage or accuracy disturbance. In order to use this instrument longer, when applying CT, pay extra attention to following points. １．Do not twist CT too much, when opening/ closing It may cause damages to CT, and it may disturb measurements.
  • Page 7 5-3) MEASUREMENT To use the instrument safely, strictly observe WARNING and CAUTION stated on this manual. WARNING △ ！ POSSIBLE ELECTRICAL SHOCK ● For the safety, use this instrument in the circuit less than AC 600V. Before use, confirm circuit voltage to be measured. ●...
  • Page 8 Clamp flexible CT to the conductor, 2 wires in case of single phase and 3 wires or 4 wires in case of three phase en bloc. TECHNICAL POINT FOR LEAKAGE CURRENT MEASUREMENT Current detection sensor (Flexible CT) for this instruments is core-less coil type without magnetic material.

  • Page 9: Other Measurements

    (3) OTHER MEASUREMENTS Measurement by using recorder output ① To monitor current for a long period, use recorder output (REC). Remove the screw and rubber cover of “REC” part. Insert the recorder cable (φ2.5mm plug) into “REC” terminal and connect with recorder. After insertion of cable, auto power off function is cancelled.
  • Page 10 The warranty period is 15 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 15 months from the date of purchase.

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