High Voltage Insulation Equipment

LHV Series Programmable Automatic Impulse Voltage Tester | Charging Pile & Cable Safety Testing

LHV Series automated impulse voltage tester for charging piles, cables, and solar equipment. Features 3 operating modes (manual/automatic/programmable), 1V-step voltage control, and real-time waveform monitoring per DL/T 845.3-2004.

US$1.00; Negotiated Price
Lead time: 60days

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Product Details

Product Tags

LHV Series Programmable Automatic Impulse Voltage Tester

Multi-Mode Safety Testing for Electrical Equipment

Designed for impulse voltage testing of charging piles, solar systems, motors, cables, and leakage protectors. Complies with DL/T 845.3-2004 and 3C certification requirements.

Product Parameters

Technical parameters and characteristics

Output Voltage	DC Output	0 - ±24kV; Accuracy ±3%
Output Voltage	Impulse Peak	±20kV; Accuracy ±3%F (adjustable)
Impulse Voltage Wave	Wavefront Time	1.2μs±30％
Impulse Voltage Wave	Wave Tail Time to Half Value	50μs±20％
Program Control & Automation	Gear position	±4kV-±20kV, 1V step
	Program Control Accuracy	±3%
	Number of Impulses	1-9999次
	Interval Time	5-99S (default: SS)
	Impulse Voltage Communication Method	485-USB
Manual Control	Impulse Peak	±2－±20kV
	Number of Impulses	1 - 9999 times, 0% continuous error-free impulses
	Interval Time	1－99s
Leakage Current Test		Breakdown current setting range: 30mA-1200mA; It is used to help determine whether it is qualified
Power condition		Rated voltage AC220V±10%,50Hz; Rated power consumption 200VA
Environmental condition		Ambient temperature 0-40 ° C Ambient humidity is less than 80%
Overall dimension		450x380x240mm³
Weight engine		12kg

Core Capabilities:

Triple Operation Mode: Manual/Automatic/Programmable
1V-Step Precision: ±1% voltage accuracy
Real-time waveform monitoring via oscilloscope interface
Auto polarity switching (+/- 50kV)

Operation Modes

1. Manual Mode

Knob-adjusted voltage presetting
Pre-test calibration without load
Manual current/voltage monitoring

2. Automatic Mode

Menu-driven voltage/timing setup
Auto-constant voltage compensation
Self-diagnosis before testing

3. Programmable Mode

RS485/Industrial network control
Batch testing (e.g., 2kV×3, -4kV×3)
Real-time data feedback to PC

Advanced Features

Smart Analysis

Breakdown detection via current/voltage decay
On-screen DC/impulse voltage comparison
12864 LCD with multilingual interface

Calibration & Output

Full-range calibration (factory precision: ±0.5%)
1/155 voltage divider for oscilloscopes
Dual HV sources for stable polarity switching

Testing Workflow

Connect device via HV cables
Select mode (Manual/Auto/Program)
Set parameters (voltage/cycles/interval)
Initiate test with auto-safety check
View results on LCD or PC software

Compliance & Applications

Standards Met

DL/T 845.3-2004
IEC 61010-1 safety requirements
GB/T 17627-2019 (low-voltage equipment)

Test Applications

Charging pile dielectric tests
Cable insulation breakdown testing
Solar inverter surge verification
Leakage protector certification

PC Software Features

Graphical test result display
Custom report generation
Breakdown voltage statistics
50-test group memory