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JJF 2199-2025 Active
JJF 2199-2025 Calibration Specification for Digital Clocks
Abstract
This specification is applicable to the calibration of digital clocks, as well as the calibration of other devices that display time information in digital form.
General Product Information
| Document Type | National Metrology Technical Specifications JJF |
|---|---|
| Standard Status | Active |
| Standard Code | JJF 2199-2025 |
| Implement Date | 2025-08-08 |
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$ 57
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$ 57
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$ 57