DONGGUAN DAXIAN INSTRUMENT EQUIPMENT CO.,LTD
Dongguan Daxian Instrument Equipment Co.,Ltd. CHINA'S LEADER IN TESTING EQUIPMENT Professional Manufacturer of Building Materials 13 years Fire Retardant / Wire/ Plastics/ Rubber/ Environmental
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GB/T 3048.7—2008 Electrical properties Electric Cables and Wires Tracking Resistance Testing Equipment
Scope:
Test the ability of wires and cables to withstand damage caused by electrical traces caused by surface leakage in filthy conditions.
Standard :
Testing apparatus for GB/T 3048.7—2008, GB14049-2008.
Specification:
Test sprinkler:
- three positions, independent stainless steel nozzle, nozzle hole: 16, aperture: 0.5mm;
Test liquid:
- 1L sodium chloride water (about 0.2%) Surfactant 0.1% Para-octyl phenyl polyoxylene ether; (distribution of a bottle)
liquid conductivity:
- (3000-400) uS/ cm, Conductivity meter for customer's own use, conductivity meter measurement
Spray pressure:
- vacuum pump pressure control, constant pressure adjustable;
Spray stroke:
- ≥ 1m;
Spray height:
- 600mm ±10mm adjustable;
Spraying speed:
- (3±0.01) m/ s;
Spray flow rate:
- (0.5±0.1) mm/ min. within 2 seconds
Spray cycle:
- 30 seconds; spray 10s; intermittent 20s
Sample base height:
- 100 mm±5 mm; angle: 45
Observation window:
- explosion-proof toughened glass, size:580 mm * 380 mm
Test exhaust:
- equipped with automatic exhaust system, wind speed: 0.2m / s
Shape size:
- 1120mm × 650mm × 1350mm
Test power supply:
- 220V / 50-60Hz
Applied voltage:
- power frequency test high voltage 0 ~ 5kV ±5% (continuously adjustable);
Voltage and current measuring instruments:
- accuracy≥1.0;Measured value error≤±3%;
