High Voltage Insulation Equipment
LUHV-280 Insulating Boots/Gloves Test Equipment: Automated Safety PPE Verification
Designed per State Grid Corp Power Safety Work Regulations, the LUHV-280 performs automated AC withstand voltage tests on up to 8 insulated boots or gloves simultaneously. This system replaces manual water-fill methods with dry testing technology, ensuring compliance with 6-month preventive testing cycles.
Product Parameters
Technical Parameters
| Power | 220V±10% 50Hz | |
| Console Output voltage | 0-250V | |
| Console Output current | 12A | |
| Booster output voltage | 30kV-500kV | |
| Output capacity | 3kVA-100kVA | |
| High voltage leakage current range | 29.9mA | |
| Leakage current with trip system back range | ≥12mA | |
| Voltage measurement error | ±1% +3 words | |
| Leakage current measurement error | ±1% +3 words | |
| Leakage current resolution | 0.01mA | |
| Timing | 99 minutes of free setting | |
| TEMP | -10℃-40℃ | |
| HR | ≤90%RH, no condensation, instrument does not flicker | |
| Overall dimensions of the control console | 400×300×550mm3 | |
| External dimensions of testing machine | 1000×800×1000mm3 | |
| Console weight（kg） | 25 | |
| Testing machine weight（kg） | 20 | |
Key Features
| Innovation | Technical Advantage |
|---|---|
| 8-Channel Parallel Testing | Tests 8 PPE items concurrently with independent leakage current monitoring (±0.5mA accuracy) |
| Wireless Current Transmission | Anti-interference 2.4GHz wireless signals replace hazardous wired connections |
| Dry Test Method | Stainless steel balls replace water immersion (per GB/T 17622-2008) |
| Smart Breakdown Protection | Nanosecond-circuit interruption for single failures without cross-sample interference |
Testing Process
Auto Ramp-Up: DC motor-driven voltage regulator meets GB/T 16927.1-2011 timing requirements
Real-Time Monitoring: 7" TFT touchscreen displays:
Test voltage (0-50kV)
8-channel leakage currents
Countdown timer
Automatic Shutdown: Zero-cutoff after test completion with data auto-save
Technical Specifications
Voltage Range: 0-50kV AC (customizable up to 100kV)
Leakage Threshold: Programmable 1-20mA with visual/audible alarms
Safety: Overcurrent protection + double-isolation design
Compliance: State Grid Corp No.777 (2002), IEC 60903, DL/T 1476-2015
Why This Tester?
60% Faster vs. traditional water immersion methods
Zero Downtime: Isolated circuit design continues testing despite single PPE failure
Ergonomic: Dedicated stainless steel containers for boots/gloves
Custom transformer ratios available - contact our engineering team for configuration support.
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