Tenmars YF-509 Insulation Tester


  • 3-1/2 digit LCD display with maximum reading of 2000.
  • Overload indication.
  • Low battery indication.


  • Measures high insulation resistance manual range: 0.1MΩ to 2000MΩ
    250V: 0.1MΩ to 200MΩ.
    500V: 0.1MΩ to 200MΩ.
    1000V: 1MΩ to 2000MΩ.
  • Measures AC 0 to 750V and DC voltages 0V to 1000V.
  • Function Keys: Data Hold, Max.
  • Continuity Test.

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SKU: TENMARS YF-509 Categories: , Tags: ,