TRMS measuring AC Voltage Artificial load 12A,15A, 20A measuring wire drop(MS5908A) or Artificial load 5A,8A,10A measuring wire drop(MS5908C) Measuring phase voltage, neutral wire, voltage to earth, voltage, frequency Measuring phase(live wire), neutral wire, earth wire conductor impedance Identifying 3-wire socket connection mode(neutral for left and live for right,having earth wire or not) Test the reliability of residual current device(RCD) and response action time. Test the reliability of GFCI action and response action time. Backlight function and data hold function. Specifications: Wire Voltage: 85.0-265.0V: 0.1V (1.0 percent and0.2V) Voltage: 121.0-374.0: 0.1V (1.0 percent and0.2V) Frequency: 45.0-65.0Hz: 0.1Hz (1.0 percent and0.2Hz) Voltage Drop: 0.1 percent -99.9 percent : 0.1 percent (2.5 percent and0.2 percent ) Voltage Loaded: 10.0-265.0V: 0.1V (2.5 percent and0.2V) Voltage to earth of neutral wire:0.0!10.0V: 0.1V (2.5 percent and0.2 percent ) Impedance for live wire, neutral wire and earth wire: 0.00-3.00Ω: 0.01Ω (2.5 percent and0.02Ω) RCD Triggering Time: 1ms-6.500s: 1ms (1.0 percent and2ms) RCD Triggering Current: 30mA-37mA: 0.1mA (1.0 percent and0.2mA) GFCI Triggering timer: 1ms-6.500s: 1ms (1.0 percent and2ms) GFCI Triggering Current: 6mA-9mA: 0.1mA (1.0 percent and0.2mA) Power Supply: 1.5 AAA x 6(Not included batteries) Model Number:MS5908C name:Circuit Analyzer Tester Notes:Shipping company does not accept liquids and powders and dry batteries Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Colour:Green and Black Material:plastic Package Contents: 1 x Circuit Analyzer Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.