13-1/2 digit display, maximum reading 1999. 2Test voltage of 250V/500V/1000V. 3The load capacity is strong, accurate, reliable and stable. 4Insulation resistance range is 200M/2. 5It has measuring data hold function. Features:3-1/2 digit display, maximum reading 1999.Test voltage of 250V/500V/1000V.The load capacity is strong, accurate, reliable and stable.Insulation resistance range is 200M/2.Powered by 6 AA batteries(not included), longer use time.It has measuring data hold function.Complete protection function,able to withstand short circuit and residualvoltage shock. Applicable for insulation resistance testing ofmetallurgical,chemical,power sectors.Specifications:Model: VC60BLCD Display: 80*52mm Max. Reading: 1999 Over-range Indication: Display "1" Power Supply: 6pcs AA batteries (NOT included) Low Battery Indication: Yes Quiescent Power Consumption: 10mA Maximum Current: 280mAVoltageRangeMeasuring RangeResolutionMedium ResistanceUncertainty250V200M5M~200M0.1M10M(4%+8d)2G50M~2G1M20M500V200M5M~200M0.1M10M2G50M~2G1M20M1000V200M5M~200M0.1M20M2G50M~2G1M200M(10%+5 d)Medium resistance ensures measuring two-end voltage is not lower thanresistance measuring lower limiting value of 90% measuring voltage.AC Voltage MeasurementMeasuring RangeResolutionUncertainty750V1V(1.0%+3d)AC Frequency Response: 40Hz~400HzDisplay: Sine wave effective value (average value response)Operating Temperature: 0~40 Operating Humidity: 30%RH~80%RH Storage Temperature: -10~+50 Storage Humidity: <85%RH Package Weight: 675g(approx.)Package Includes:1 x MegOhm Meter(batteries are NOT included)2 x Test Leads 2 x Test Clips