Kyoriritsu 3131M IR tester
Kyoriritsu 3131m Insulation Resistance Continuity Tester near New Key Features: Three insulation test ranges (100MΩ at 250V, 200MΩ at 500V and 400MΩ at 1000V). Measures continuity up to 20Ω. Live circuit warning lamp plus audible warning. Complete with hard case and fixed leads. Automatic discharge of circuit capacitance. Front panel Press to Test with lockdown feature and zero adjust. Display backlight. Fuse protection (continuity range only) See photos for specification details