Ground/Insulation Resistance Tester
LQ2010 Insulation Resistance Tester: Dual-Display Precision for Critical Assets
The LQ2010 Insulation Resistance Tester combines analog and digital measurement technologies to deliver 0-200GΩ range with 5kV output. Designed for power utilities and industrial maintenance teams, its dual-display system provides instant visualization of insulation degradation in transformers, generators, and HV cables.
Product Parameters
Technical parameter
output voltage | DC:-500V, -1000V, -2500V, -5000V | |
error::±5%FS(FS is the full range value) | ||
test accuracy range | 1 MΩ~20 MΩ | error:±10%FS(FS is the full range value) |
20 MΩ~1000 MΩ | error:±5%FS(FS is the full range value) | |
1GΩ ~20 GΩ | error:±5%FS(FS is the full range value) | |
20GΩ~200GΩ | error:±10%FS(FS is the full range value) | |
1T≧200GΩ | error:±20%FS(FS is the full range value) | |
test range | 500V(0-10GΩ) | |
1000V(0-20GΩ) | ||
2500V (0-200 GΩ | ||
5000V (0-1TΩ) | ||
digital test and display range | 0-1TΩ | |
Working Conditions | Environmental temperature | 0℃-40℃ |
Relative humidity | ≤70%RH | |
power supply range | AC:220V±10%(built-in lithium power supply) | |
volume and weight | 230mm×190mm×90mm (L×W×H) | |
<3kg |
Industry Challenges Addressed
Absorption Phenomenon: Automatically calculates PI/DAR to detect moisture/contamination
Large Capacitance Equipment: 3mA short-circuit current tests windings/cables >1000μF
Field Durability: IP54-rated casing withstands substation environments
Key Features
1. Intelligent Dual-Display System
Analog Tensioned-Wire Meter:
Visual trend tracking during ramp-up
Color-coded zones (green/yellow/red)
Digital LCD:
0.1GΩ resolution
Real-time PI/DAR calculation
2. Safety & Automation
Auto-Discharge: <1s residual voltage clearance
Audible Warnings: High-voltage activation alerts
Embedded Industrial OS:
20-test memory
Anti-interference algorithms
Technical Specifications
Voltage Outputs: 500V, 1000V, 2500V, 5000V ±3%
Measurement Range: 0.1MΩ-200GΩ (auto-ranging)
PI/DAR Accuracy: ±5% of reading
Power: Li-ion battery (8hrs) or AC adapter
Why Choose LQ2010?
Faster Diagnostics: Analog needle shows insulation trends at a glance
Regulatory Compliance: Meets ASTM D257, IEC 60243 standards
Reduced Downtime: Tests 10MVA transformer in
<15 minutes="">
Includes NIST-traceable calibration certificate and 4-year warranty on tensioned-wire mechanism.