Current Expander
LQCE 200A Current Expander for High-Capacity Insulation Testing
Precision accessory for extending the measurement range of HCL2840/HCL2876 Tan Delta Bridges to 200A, enabling dielectric loss testing on heavy electrical equipment.
Key Features
Ultra-High Accuracy: ±0.002% deviation
Multi-Ratio Flexibility: 200A/100A/50A/20A/10A to 1A conversion
Industrial-Grade: Rugged design for field/lab use
Seamless Integration: Plug-and-play with HCL series bridges
Technical Specifications
| Parameter | Specification |
|---|---|
| Accuracy | ±0.002% (industry-leading) |
| Current Ratios | 200:1, 100:1, 50:1, 20:1, 10:1 |
| Weight | 19 kg (portable for field work) |
| Dimensions | 340×210×320 mm (compact footprint) |
| Operating Temp | 0°C to 40°C |
| Humidity | <85% non-condensing |
Typical Applications
Power Reactors: High-current tan δ measurement
XLPE Cables: Long-run capacitance testing
Large Capacitor Banks: Factory acceptance tests
Transformer Bushings: Field diagnostics
Compatibility
Designed for use with:
HCL2840 Automatic Tan Delta Bridge
HCL2876 Manual Tan Delta Bridge
Why Choose the HCE-200A?
Precision: Maintains bridge accuracy even at 200A
Versatility: 5 selectable ratios for diverse test objects
Durability: Heavy-duty construction for substation environments
