• It can be used to measure the trip current, trip time, loop resistance of switch leakage, and the voltage, frequency of on-line voltage, RCD (earth leakage switch), and AUTORAMP (triggered current) • Up to 1000 sets of test results can be stored, convenient for further inquiry • The data stored in the host can be uploaded to a PC via the USB 2.0 interface • 4.7-inch LCD screen with backlight for conveniently checking the test result in the low-lit condition • Perfect for the electricians to do testing, inspection, and repairing Specification: • Material: ABS • Size: 190 x 140 x 68mm/7.48 x 5.51 x 2.68in • AC Phase: Voltage Measurement: 0~440V • Frequency Measurement: DC, 45~65Hz • Test Current Magnification: 0.5, 1, 5 • Fast/Slow Current Test Gears: 10, 30, 100, 300, 500mA • Safety Level: CAT III 1000V, CAT IV 600 • Max. Common Mode Voltage: 600V AC RMS • Display Type: LCD Display • Range Selection: Fully Automatic Range • Frequency Detection: Automatic • Over-range Display: ">" • Power Consumption: 100mW • Operating Temperature & Altitude: 0~40℃, 2000m • Storage Temperature & Altitude: -20~70℃, 12000m • Power Supply: 8 x 1.5V AA Battery (NOT included) Package included: •1 x Tester •1 x Test Lead •3 x Clips •1 x USB Cable •1 x CD •1 x Storage Case •1 x English Manual