JJG 121-1990 PDF English
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| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JJG 121-1990 | English | 599 | Add to Cart | 3 days [Need to translate] | Verification Regulation of Video Noise Meter |
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Basic data
| Standard ID | JJG 121-1990 (JJG121-1990) |
| Description (Translated English) | Verification Regulation of Video Noise Meter |
| Sector / Industry | Metrology & Measurement Industry Standard |
| Classification of Chinese Standard | A56 |
| Word Count Estimation | 15,138 |
| Date of Issue | 6/12/1905 |
| Date of Implementation | 2/1/1991 |
| Summary | This standard applies to newly manufactured, used and repaired in the range of -10 ~-70dB (RMS), indicating that the value of the error is 0. 5dB (or 1dB) video noise tester test. |
