DSP911 is widely used to fault test for common wire, air-conditioning wire, control cable, high & low voltage power cable, communication cable, CATV cable and category-5 wire, etc. The accurately fixed-point is accomplished easily, including the broken conduct fault, shorted fault and insulation fault. The well-considered automatic test algorithm is simple and convenient to use. The related technology adopted has been approved by end users. DSP911 can find the fault point for POTS, ADSL and balanced line of other special service. Specifications   Dimension: 205mm x 105 mm x 40mmweight: 560gDisplay Screen: 240 x 128 pels figure, LED backlightPower Supply: AC stabilized voltage supply / chargerBattery: Built-in lithium battery with 2.4AhBattery endurance: 8 hours (after being charged completely) Time of charging: charging 4 hours after discharging completelyOperating Temperature : -10°C~ 50°CStorage Temperature : -30°C~ 60 °CHumidity: 95% (no-dew)Waterproof:  IEC60529 IP02, waterproof international standardShockproof:  liberty, 2 kg, 5-500HZImpact strength: The height of drop-resistance is 1m.Working Elevation: 4500m