1 Insulation Resistance Tester. Input Impedance: 1M Ω. Insulation Range: 250V: 0.1M Ω ~20 M Ω /20M Ω ~500 M Ω ; 500V: 0.1M Ω ~50 M Ω /50M Ω ~1000 M Ω ; 1000V: 0.1M Ω ~100 M Ω /100M Ω ~2000 M Ω. Color: Dark Grey + Green.
eBay