100kv ~ 200kV Range
LQHVF 150KV/200pF Precision Voltage Divider
Compact High-Voltage Measurement Excellence
The LQHVF 150KV/200pF voltage divider delivers laboratory-grade accuracy in a field-deployable package. With its optimized 65kg weight and compact dimensions, this epoxy-encapsulated solution provides precise 1000:1 voltage division for high-voltage testing applications where space and portability are critical.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage (Un) | 150KV |
| Rated Frequency | 50Hz |
| Capacitance | 200pF (+5%/-10% tolerance) |
| Voltage Ratio | 1000:1 |
| Temperature Coefficient | <80 × 10-6 pF/°C |
| Short-Time Withstand | 1.2 × Un (180KV) for 60 seconds |
| Dimensions (H×W×D) | 1500mm × 600mm × 600mm |
| Weight | 65kg |
| Construction | Epoxy encapsulation (HV and LV arms) |
Compact Design & Physical Specifications
Dimensions: 1500mm (H) × 600mm (W) × 600mm (D)
Weight: 65kg
▶ Optimized for lab and field deployment ◀
The compact footprint (0.54m³) and manageable weight allow for easy integration into test benches and mobile measurement carts. The symmetrical epoxy encapsulation of both HV and LV arms ensures consistent performance and durability.
Engineering Advantages
Exceptional Thermal Stability
Ultra-low temperature coefficient (<80ppm/°C) maintains measurement accuracy across -20°C to +50°C operating range.
Overvoltage Protection
Withstands 180KV (1.2Un) surges for 60 seconds, protecting against transient spikes during switchgear operations.
Unified Epoxy Construction
Identical encapsulation for HV and LV arms ensures matched thermal characteristics and vibration resistance.
Precision Voltage Division
1000:1 ratio provides high-accuracy measurement compatible with standard digital multimeters and data loggers.
Performance Comparison
| Feature | LQHVF 150KV/200pF | Conventional Dividers |
|---|---|---|
| Weight | 65kg | 90-120kg |
| Temperature Stability | <80 ppm/°C | 200-300 ppm/°C |
| Footprint | 0.54m³ | 0.8-1.2m³ |
| Withstand Capability | 180KV/60s | 150-165KV/30s |
Recommended Applications
Mobile Test Labs: Compact design ideal for on-site transformer testing
High-Voltage Calibration: Stable 1000:1 ratio for calibration of HV meters
Power Quality Monitoring: Continuous 50Hz measurement in substations
Research & Education: Lightweight solution for university HV labs
Switchgear Testing: 180KV withstand capability for circuit breaker tests
Compliance & Standards
Designed to meet international requirements for high-voltage measurement equipment:
IEC 60060-1: High-voltage test techniques
IEC 61869-11: Capacitive voltage dividers
IEEE 4: Standard for high-voltage testing
EN 61010-1: Safety requirements for electrical equipment
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