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 All Categories    BM5200 5kV Insulation Resistance Tester - Megger
Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
All Categories > Test Equipment > Megger® Insulation Resistance Testers > BM5200 5kV Insulation Resistance Tester - Megger > Item # ME/1001-289  
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Item # ME/1001-289, BM5200 5kV Insulation Resistance Tester - Megger



Megger-BM5200

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The Megger BM5200 tester is a battery powered instrument with digital and analogue arc display, designed for high voltage insulation resistance testing in the maintenance and servicing of cables, rotating plant machinery, transformers, switchgear and industrial installations.

Features:

  • 1 TΩ, 1.4 mA, 5 kV digital insulation tester with digital and analogue display
  • Insulation (InS), Polarisation Index (PI) and variable timed test (t) modes
  • Selectable DC or AC (incl. frequency) voltmeter functions
  • Guard terminal to shunt surface leakage currents
  • CATIII 600 V safety rating

Automatic discharge for capacitive circuits under test is provided and decaying voltage displayed. Design safety features include high voltage warning indicator, external voltage display after IR test, & automatic discharge of reactive loads. Carrying case, test leads & alkaline batteries are included.
 
Electrical insulating materials deteriorate with time leading to breakdowns and costly repair bills. Insulation resistance testers apply a regulated DC voltage across the insulation and measure current flow through it applying Ohm’s law to calculate insulation resistance. The current flows because no insulation material is perfect.

IR tester uses include:

  • Product test and qualification
  • Installation of equipment
  • Routine maintenance
  • Problem resolutions

Insulation testing with high voltage DC affects insulation polarisation such that consecutive testing without complete discharge of the unit under test will yield different results.
 
Care should be taken to always employ the same process and technique of connecting to and testing an insulator to be able to trend results. It is important to record temperature of the insulation as well as IR values.

 

 



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