LQHV-680 Transformer Oil Breakdown Voltage Tester

Fully automatic single-cup design for precise dielectric strength measurement of insulating oils

Complies with: GB/T 507-2002 | DL 429.9-91 | DL/T 846.7-2004

Key Features

• Full Automation - Automatic boosting, testing, and data recording

• Dual Standard Modes - Supports both GB1986 and GB2002 test procedures

• Military Protection - Overvoltage/current protection with auto-zeroing

• Portable Design - 8kg lightweight for field testing

Product Parameters

Technical Parameters

Conditions of Use

Testing Process

1. Sample Preparation - Oil settling per ASTM D1813

2. Auto Sequence:

• Stirring (30s)

• Voltage ramp-up (2kV/s)

• Breakdown detection

• Result calculation (6-test average)

3. Data Output - LCD display + thermal printer

Safety Protections

• Triple-redundant overvoltage protection

• Automatic discharge after testing

• Watchdog circuit prevents system freeze

• Emergency stop button

Typical Applications

Power Utilities

• Transformer oil quality control

• In-service oil assessment

Manufacturing

• New oil acceptance testing

• Oil filtration system verification

Maintenance Services

• Oil regeneration monitoring

• Fault diagnosis support

Why Our BDV Tester?

Maintenance Guide

• Clean electrodes after every 50 tests

• Annual calibration with reference oil

• Store in dry environment (humidity <80%)