Product Characteristics 1. small size, light weight. 2. the measurement process is safe, fast, accurate measurement results. Product Parameters 1.Ambient temperature: -10 C~+50 C 2.Relative humidity: 20~90%(at 40 C) 3.atmospheric pressure:86~106kPa 4.Discharge test voltage: > 2kV 5.Charge time: < 1 minute 6.Power supply: 220V±10% Frequency: 50±1Hz Power < 30vA 7.Dimension: 300 200 180mm 8.Weight: 4KG