GB/T 7676.4-2017 Active
GB/T 7676.4-2017 Direct acting indicating analogue electrical measuring instruments and their accessories—Part 4:Special requirements for frequency meters
Abstract
This part of GB/T 7676 specifies the terms and definitions, classification, grading, general technical requirements, information, markings and symbols, packaging and storage, and inspection rules for direct-acting analog indicating frequency meters. This part applies to direct-acting analog indicating frequency meters. It also applies to the combination of frequency meters and accessories when the accessories are used with the frequency meters and adjusted in a combined state. It also applies to frequency meters that have electronic devices in their measurement and/or auxiliary circuits. This part does not apply to frequency meters for special purposes that are regulated by corresponding national standards.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 7676.4-2017 |
| CCS | Electrical measurement analogue indicating instrument |
| ICS | The measurement of electrical and magnetic quantities |
| Implement Date | 2018-04-01 |