| Standard ID | JB/T 5221-2014 (JB/T5221-2014) |
| Description (Translated English) | Digital hand-held contact tachometer |
| Sector / Industry | Mechanical & Machinery Industry Standard (Recommended) |
| Classification of Chinese Standard | N13 |
| Classification of International Standard | 17.080 |
| Word Count Estimation | 12,174 |
| Date of Issue | 5/6/2014 |
| Date of Implementation | 10/1/2014 |
| Older Standard (superseded by this standard) | JB/T 5221-1991 |
| Quoted Standard | GB/T 191-2008; GB/T 13384 |
| Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China |
| Summary | This Standard specifies the contactless handheld digital tachometer basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage. This Standard applies to the tachometer to measure the speed of short-term use. |