Standard D&L Calibrating
LQSS-30A Tan Delta Standard | Precision Bridge Calibrator
Designed for metrology labs and HV test facilities, the LQSS-30A Capacitance and Dissipation Factor Standard delivers 30 predefined tgδ values (0.000% to 10.00%) with ±(0.5% reading + 0.01%) accuracy. The ultimate reference for Schering and current comparator bridge calibration.
Key Specifications
Parameter | Value |
---|---|
Accuracy (tgδ) | ±(0.5% reading + 0.01%) |
Capacitance (Cx) | 50pF ±(0.5% + 0.1pF) |
Voltage Rating | 10kV max (50/60Hz) |
Zero Point Error | <0.005% baseline |
Temperature Range | 23±2°C (humidity <70%) |
30 Standard tgδ Values
0.000%
0.005%
0.010%
0.020%
0.050%
0.100%
0.200%
0.500%
1.000%
2.000%
5.000%
10.00%
+18 intermediate steps (0.030%-9.000%)
Advanced Features
Dual Bridge Support: UST/GST modes for Schering/current comparator bridges
Auto-Shutdown: Powers down after 90s inactivity (memory retention)
Shielded Design: Minimizes stray capacitance interference
Portable Operation: 100-hour battery life with recharge capability
Typical Applications
Metrology Labs
ISO 17025 accreditation testing
Transformer Plants
Doble test set validation
University Research
Dielectric material studies
Operation Guide
Connect to bridge HV terminals
Select UST/GST mode per bridge type
Navigate tgδ values with UP/DOWN keys
Press START to initiate reference output
Compliance Standards
IEC 60476 (Nuclear instrumentation)
IEEE 286-2000 (Dielectric measurements)
JJG 563-2004 (Chinese metrology standard)
Why Choose LQSS-30A?
Unmatched Resolution: 30 steps vs. competitors' 10-15
Laboratory Precision: 0.005% zero-point stability
Field-Ready: Battery operation for onsite calibration