Sphere Gap
LQHSG150 Horizontal Sphere Gaps for High Voltage Measurement
Product Overview
The LQHSG150 horizontal sphere gap is a precision high voltage measurement device designed for laboratory and industrial applications. With 150mm diameter polished copper spheres, this system provides direct voltage measurement with ±3% accuracy according to IEC 60052 standards.
Technical Specifications
Parameter | Specification |
---|---|
Sphere Diameter | 150mm |
Maximum Voltage (1.2/50μs impulse) | 177kV at 0.5xD spacing (75mm) |
Height Adjustment Range | 1.22mm precision scale |
Base Frame Dimensions | 1.3m × 0.45m |
Net Weight | 47kg |
Accuracy | ±3% (IEC 60052 compliant) |
Key Features
Precision Measurement
Highly polished copper spheres with minimal manufacturing tolerances
Hand wheel adjustment with 0.5mm precision scale
Simultaneous measurement of impulse, AC and DC voltages
Safety & Compliance
Full compliance with IEC 60052 standards
Insulating column mounting for operator protection
Indoor operation design
Optional Chopping Device
Precision wave-chopping with ≤0.1ms dispersion
230V, 50/60Hz power supply
Adjustable delay time (1μs-5μs in 8 steps)
Includes impulse amplifier and trigger sphere with ignition rod
Applications
The LQHSG150 horizontal sphere gap is ideal for:
Calibration of high voltage measuring systems
Lightning impulse tests (1.2/50μs waveform)
Dielectric strength verification
Research and development in high voltage laboratories
Quality assurance testing of electrical equipment
Installation & Operation
For optimal performance:
Install on a level surface in controlled indoor environment
Maintain minimum clearance distances per IEC standards
For chopping operations, replace one measuring sphere with the trigger sphere
Regularly clean sphere surfaces with approved solvents
Why Choose Our Horizontal Sphere Gap?
This measurement system offers unique advantages:
Direct Measurement: Voltage determination based solely on sphere geometry
Versatility: Handles AC, DC and impulse voltages in one configuration
Traceable Accuracy: Meets international calibration standards
Research-Grade Precision: 0.5mm adjustable gap resolution
Ordering Information
The standard package includes:
Two 150mm copper spheres with mounting hardware
Adjustment mechanism with precision scale
Support columns and base frame
Operation manual with IEC compliance documentation
Optional accessories: Chopping device (230V), calibration certificate, transport case.