Standard D&L Calibrating
LQSS-11 Dielectric Loss Calibrator | 11-Range HV Bridge Validation System
The LQSS-11 Standard Dielectric Loss Calibrating Device revolutionizes high-voltage test equipment validation with 11 selectable precision grades and an integrated 10kV/100pF SF6 reference capacitor (1×10⁻⁵ tan δ). Designed for field technicians and calibration labs.
Key Advantages
11-Point Calibration: 1×10⁻⁴ to 1×10⁻⁵ full-range verification
SF6 Reference Standard: 10kV/100pF gas-insulated capacitor (Grade 11)
Troubleshooting Mode: Isolate measurement errors in HV bridges
Portable Design: 25% lighter than previous models (field-deployable)
Technical Specifications
Parameter | Specification |
---|---|
Calibration Range | 1×10⁻⁴ to 1×10⁻⁵ (11 grades) |
Reference Capacitor | 10kV/100pF SF6 (customizable to 50kV) |
Temperature Stability | ±0.3%/°C (-20°C to +50°C) |
Interfaces | LEMO/SHV connectors (HV compatible) |
Calibration Grades
Grade 1 1×10⁻⁴ (Ultra-Precision)
Grades 2-3 3×10⁻⁴ to 5×10⁻⁴
Grades 4-6 1×10⁻³ to 5×10⁻³
Grades 7-9 1×10⁻² to 5×10⁻²
Grade 10 0 (Null Reference)
Grade 11 SF6 Capacitor @ 1×10⁻⁵
Critical Applications
Utility Maintenance
Validate Doble/Megger test sets for 500kV transformers
Cable OEMs
Quality control for HV cable tan δ testing
Research Labs
Dielectric studies with NIST-traceable standards
Step-by-Step Calibration
Connect to tan delta bridge (HCL 2876/2840 compatible)
Select grade matching DUT's expected loss factor
Compare readings against reference values
Diagnose deviations >±2% as bridge calibration issues
Compliance & Standards
IEC 61869-11 (High-voltage measurement standards)
IEEE 4-2013 (HV testing procedures)
ISO 17025 (Lab accreditation requirements)
Why Upgrade to LQSS-11?
More Grades: 11 steps vs. competitors' 5-8
Higher Capacity: 100pF reference (vs. typical 50pF)
Customizable: SF6 capacitor voltage/values on request