Reactive compensation / generator tester
LQ-725 Automatic Capacitance Inductance Tester
Advanced diagnostic instrument for comprehensive testing of compensation capacitor banks and associated inductance without circuit disconnection.
Product Parameters
Technical Parameters
| Measurement range | Capacitance：2uF～2000uF |
| Inductance：5mH～5000mH | |
| Current：20mA～2000mA | |
| Measurement accuracy | Capacitance：± (1% reading + 2 words) |
| Inductance：± (1% reading + 5 words) | |
| Current：± (1% reading + 2 words) | |
| Dimensions | 345mm×295mm×175mm |
| Instrument weight | 7kg |
Working condition
| Ambient temperature | -10℃～50℃ |
| Ambient humidity | ≤85%RH |
| Working power supply | AC220V±10% |
| Power frequency | 50±1Hz |
Key Specifications
Measurement Range: 0.1μF-20,000μF | 1μH-20H
Accuracy: ±0.5% (C), ±1% (L)
Display: 320×240 LCD with live parameter tracking
Memory: 256 test records with timestamp
Output: Built-in thermal printer + USB data export
Innovative Testing Capabilities
1. Parallel Circuit Measurement
Tests individual capacitors in parallel banks without disconnection
Measures Δ/Y configured capacitor banks
Identifies defective capacitors in ≤2 minutes
2. Comprehensive Parameter Analysis
Simultaneously displays:
Capacitance/Inductance values
Circuit voltage (10-600V AC)
Loss tangent (D factor)
System frequency (45-65Hz)
User-Centric Design
3.1 Intelligent Interface
Bilingual operation (Chinese/English)
One-touch auto-test initiation
Color-coded warning indicators
3.2 Data Management System
Non-volatile memory preserves data during power loss
High-speed micro printer (58mm paper)
USB 2.0 export for PDF/CSV reports
Typical Applications
Power Substations: PFC capacitor bank maintenance
Industrial Plants: Harmonic filter testing
Renewable Energy: Solar farm compensator checks
Railway Systems: Traction power factor correction
Standards Compliance
IEC 60831-1: Shunt power capacitors
IEEE 1036: Capacitor application guide
GB/T 11024: HV capacitor standards
