LQ2024-M Manual Partial Discharge Tester

Designed for field technicians and budget-conscious facilities, the LQ2024-M provides essential partial discharge detection with 0.02pC sensitivity and advanced interference rejection using balanced measurement methodology.

Key Advantages

Cost-Effective Solution

• 60% lower cost than automated systems

• Minimal training requirements

• No PC/software dependency

Reliable Performance

• Balance method reduces interference by 70%

• Pulse peak validation logic

• 120dB dynamic range

Standards Compliance

• IEC 60270 (Partial Discharge)

• IEC 60885-3 (Cables)

• DL/T 417 (Power Equipment)

• GB/T 16927 (HV Testing)

• IEEE Std 4

• IEC 60060-1&2

Technical Specifications

Amplifier Characteristics

• Bandwidth: 10Hz-300kHz (selectable)

• Gain Steps: 20dB/grade (120dB total)

• Asymmetry: <1dB (+/- pulses)

Operation Features

Interference Rejection

The system validates discharges only when:

1. Pulse exceeds adjustable threshold

2. Occurs in ≥4 consecutive cycles

3. "Effective" indicator lamp activates

Time Window Control

• Width adjustable 15°-150°

• Rotation 0°-170°

• Independent dual windows

Typical Applications

Dry-Type Transformers

Detect winding insulation defects during maintenance

MV Cables

Pre-commissioning PD checks on joints/terminations

Bushings

Annual preventive maintenance testing

Power Requirements

Note: Specify required voltage/frequency when ordering - units are region-customized.

Package Contents

• Main test unit with LED display

• Calibration pulse generator

• BNC test cables (2m)

• Power cord (region-specific)

• User manual (English/Chinese)