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Micro-Ohm Meter(MEGGER/MOM600A), 600A/1.0%
  • 제조사MEGGER
  • 모델명MOM600A
  • 주요기능Micro-ohmmeter
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MOM600A
Micro-ohmmeter

 

Overview

   Compact and tough

  •   Straight forward to use
  •   600 A output current
    • The risk of overheating is becoming more serious due to the fact that today's distribution networks have to carry heavier loads. Checking contact resistances at regular intervals detects faults before they cause overheating.

      Microhmmeters are used to measure contact resistances in highvoltage breakers, disconnecting switches (isolators), knife-contact fuses, bus joints, line joints etc. 

       

       

      Specifications
      Specifications are valid at nominal input voltage and an ambient  temperature of +25°C, (77°F). Specifications are subject to change without notice.

       

      Measurement section
      Printed matter:
                            Range 0 – 1999 μΩ
                            Resolution 1 μΩ
                            Inaccuracy ±1% of reading + 1 digit
                                            (at 100 – 600 A test current)


      Output, 115 V model
      Current 0 – 600 A DC
      Open circuit voltage 5.2 V DC
      Current shunt output 10 mV / 100 A ±0.5%, max 60 mV out, max 10 V to protective earth (ground)


      Output, 230 V model
      Current 0 – 600 A DC
      Open circuit voltage 9 V DC
      Current shunt output 10 mV / 100 A ±0.5%, max 60 mV out, max 10 V to protective earth
      (ground)


      Max. load capacity, 115 V model
      Current adjustment set to 100%
      Output current       Min.                           Max.              Rest              Input current
        
                                 ​output                       load               time
                                   voltage                      time
      100 A DC                4.6 V                          -                   -                   8 A
      300 A DC                3.8 V                       1.5 min.            15 min.           20 A
      600 A DC                2.6 V                       10 s                  5 min.            38 A

       


      Max. load capacity, 230 V model
      Current adjustment set to 100%

      Output current       Min.                           Max.              Rest              Input current
        
                                 ​output                       load               time
                                   voltage                      time
      100 A DC                8.3 V                          -                   -                   6 A
      300 A DC                7.2 V                       2.5 min.            15 min.           16 A
      600 A DC                5.6 V                       15 s                  5 min.            32 A