Features:
Tripping time: x1 IΔN300(slow 500ms) ±3ms 0.1ms x5 IΔN40ms(slow 150ms) ±3ms 0.1ms
Tripping Current: (0.2-1.1)IΔN ±0.1IΔN 0.5IΔN
Contact Voltage: 0~99.9V ±(10%+0.2V) 0.01/ 0.1V
Alternating Voltage: (UI-N,UL-L,UL-E) 0~440V ±(3%+3V) 1V
Frequency: DC,45~65Hz ±1Hz 1Hz
Loop Resistance(RL): 0.1~2000Ω ±(10%+0.2d) 0.1Ω
RL Current Test: 0.51 IΔN ±(10%+10d) 0.5IΔN
Multiplying Power of Measuring Current: x0.5,x1,x5
Current Level(IΔN)|: 10mA,30mA,100mA，300mA,500mA
Trigger Phase Angle: 0°or 180°
Auto Power Off √
Display Back Light √
Low Battery indication √
USB2.0 Interface √
Data logging And recall 100groups

General:
Power Supply 6x1.5V AA batteries (Not Included)
Category CE ETL CAT.III300V
Package size: 35 * 26 * 10cm / 13.2 * 8.8 * 2.4in
Package weight: 2020 g / 4.45 lb

Package list
1 * HYELEC MS5910 RCD/LOOP Tester Circuit
1 * Portable Bag
1 * Test Probe
3 * Test Clip
1 * English Instructions
Battery Not Included