Tenmars YF-509 Insulation Tester

  • Model: Tenmars YF-509
  • 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
  • Measures AC 0 to 750V and DC voltages 0V to 1000V.