Tenmars YF-509 Insulation Tester

Tenmars YF-509 Features:
  • CAT III 1000V
  • 3½ digits LCD display, max. reading of 2000.
  • Measures high insulation resistance: 0.1M~2000M Ohm.
  • Measure up to DC Voltage:1000V, AC Voltage:750V
  • Manual range up to 1000V, 2000M Ohm.


  • 3½ digits LCD display with max.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: ,