General Radio 1482A Standard Inductor
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General Radio 1482A is a 50 µH standard inductor with ±0.01% per year stability, toroidal design, and ISO-17025 accredited calibration for metrology labs.
Product details
| Model | 1482A |
| Manufacturer | General Radio |
| Category | Electrical Calibrators |
| Availability | Made to order |
Description
Overview
The General Radio 1482A is a 50 µH standard inductor designed for metrology laboratories and national standards bodies. It provides stable, accurate reference standards for self-inductance measurements and is recognized as the standard of choice in precision measurement environments.
Key Features
- Stable within ±0.01% per year with documented long-term stability
- Toroidal construction on ceramic core with negligible external magnetic field
- Resilient mounting in cork and silica gel, potted in aluminum case
- Three-terminal configuration: two for inductor leads, one connected to case
- Low, known temperature coefficient
- ISO-17025 accredited calibration included
Applications
- Primary standards in metrology laboratories
- Working standards for low-frequency inductance reference
- National metrology institutes and primary standards bodies
Specifications
| Inductance | 50 µH |
| Stability | ±0.01% per year |
| Construction | Toroidal, ceramic core |
| External Magnetic Field | Negligible |
| Terminals | 3 (2 for inductor leads, 1 to case) |
| Housing | Aluminum case |
| Mounting | Cork and silica gel with potting compound |
| Calibration | ISO-17025 accredited |
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General Radio 1482A Standard Inductor
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