... Testers Multimeters Megohmeters1000V DC Voltage,750V AC Voltage(TRMS). 6600 Count(except for capacitance,temperature,insulation).When the input ... Altitude: 12000m Conformance to IEC61010-1 CAT III 1000V Large 6600 Counts LCD display (except for capacitance, temperature, insulation). ... %)0~499M Ω500M Ω ~2.0G Ω±3%±5% YH511 6600 Counts 1000V 2G ohms Megger Digital Insulation Resistance Testers Multimeters ...