Overview
Enviro Test Construct portable DC system ground-fault locator produced by ultra-high voltage is a new generation of testing equipment. It can be applied to DC systems of any voltage level and is equipped with high-precision detection clamp meters, greatly improving the detection range and anti-interference ability through efficient processing of multiple signals. Advanced algorithms and advanced fuzzy control theory of computation are used to express the superiority of the detected insulation branch in numerical form, which fully reflects the superiority of artificial intelligence. For the determination of the location of the grounding point.
Features
- Multi range positioning method:
- Small current impulse method is suitable for small resistance fault location
- 400 MHz real time sampling
- Touch screen and key operation
- Large screen colour LED, friendly interface
- 7-inch LED display, 160° viewing angle, 750 cd / m2 bright in the sun
- Waveform storage and PC communication
- Built in polymer lithium-ion battery, working time can reach 7 hours each time.
- Special software management is used for software upgrade
- Power management
Technical Specifications
| Output signal frequency | 2.5 Hz |
| Signal no-load output voltage | ± 20 V ± 5% |
| Signal voltage amplitude error | < 5% |
| Signal short circuit output current | ≤ 80 mA |
| Impact resistance of output port | 400 V dc impact |
| Power supply voltage | AC 220 V ± 10% |
| Voltage frequency | 50 Hz ± 5% |
| Input insurance | 200 mA |
| Maximum power | 3 W |
| Signal generator volume | 11.8 in × 10.6 in × 7.87 in (300 mm × 270 mm × 200 mm) |
| Signal current detection sensitivity | 0.5 mA |
| Signal generator impedance | 40 KΩ |
| Maximum output current | 2.5 mA |
| Receiver displays | Digits 0 to 19 |
| Signal receiver volume | 8.26 in × 3.93 in × 1.26 in (210 mm × 100 mm × 32 mm) |
| A clamp size | Φ 1.96 in (50 mm) |
| B clamp size | Φ 0.27 in × 0.35 in (7 mm × 9 mm) |
| Detection maximum ground resistance | 300 kΩ |
| Ground resistance measurement accuracy | 0 to 4.5 kΩ, error ≤ 0.5 kΩ 4.5 kΩ to 300 kΩ, error ≤ 10% |
| External dimension | 15.3 in x 11.4 in x 5.51 in (390 mm x 290 mm x 140 mm) |
| Weight （ mainframe） | 8.73 lb (3.96 kg) |
| Weight | 6.17 lb (2.8kg) |
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