• Megger BM5200 Insulation Resistance Tester

Description : The Megger BM5200 insulation resistance tester is a battery powered insulation tester with digital and analogue arc display. It has been designed for high voltage insulation resistance testing in the maintenance and servicing of cables, rotating plant machinery, transformers, switchgear, and industrial applications. The unit performs DC insulation tests at 250 V, 500 V, 1000 V, 2500 V, and 5000 V and its insulation resistance measuring range is 100 k Ω to 1000 G Ω. It also provides automatic discharge for capacitive circuits under test as well as displaying the decaying voltage. The BM5200 comes with a guard terminal which can be used to minimise the effects of surface leakage and hence erroneous measurements when carrying out insulation resistance tests.

Features and functionalities of the Megger BM5200 includes:

  1. Insulation Resistance Testing: It can measure insulation resistance at various test voltages, often ranging from 50V up to 1000V or more, allowing the user to conduct tests on a variety of equipment with different voltage ratings.

  2. Continuity Testing: Used to check the resistance of circuit connections, ensuring there are no breaks in the circuit.

  3. Voltage Measurement: The ability to measure both AC and DC voltages, which is useful for ensuring circuits are de-energized before testing or for verifying the presence of voltage.

  4. Safety Features: Many modern testers, including those from Megger, incorporate safety features that warn the user if the circuit under test is live. This can help prevent damage to the instrument and ensure user safety.

  5. Battery-Powered Operation: Most insulation testers are battery-operated, making them portable and easy to use in various field situations without relying on an external power source.

  6. Digital Display: Provides clear and accurate readings, and some models might have analog-style displays as well for a quick visual representation of the measurement.

  7. Timed Tests: The capability to perform timed insulation resistance tests, which can be essential for certain diagnostic procedures.

  8. Storage and Data Logging: Some advanced models offer the ability to store and log multiple test results, which can be beneficial for record-keeping and analysis.

  9. Durability and Reliability: Like most Megger products, instruments such as the BM5200 are built to be rugged and durable, designed for field use in various environments.

  • 1 T Ω, 1.4 mA, 5 kV digital insulation tester with digital and analogue display
  • Five test ranges; 250 V, 500 V, 1000 V, 2500 V and 5000 V
  • Insulation (InS), Polarisation Index (PI) and variable timed test (t) modes
  • Selectable DC or AC (including frequency) voltmeter functions
  • Guard terminal to shunt surface leakage currents
  • CAT III 600 V safety rating


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