The basic accuracy of the functional range 
 Rated working voltage 250/500/1000V 

 Insulation resistance test range 0.1M ~ 20GΩ ± (3% +5) 
 Phase sequence √ 
 AC voltage 600V ± (2% +5) 
 Minimum resolution 0.01MΩ 
 Range √ (limited insulation tests) 
 Unit symbol display √ 
 Data Hold √ 
 Battery voltage prompted √ 
 LCD Display 1999 
 Backlight display √ 
 Standard package size 190 × 155 × 75mm 
 Product weight is about 900 g