JB/T 9285-1999 (English Version) PDF

Scope: This standard specifies the definition, classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of clamp-on ammeters. This standard is suitable for general industrial use, the network voltage does not exceed 650V, and the operating frequency is 45Hz ~ 65Hz. It has clamp current transformer device, analog display, clamp meter and clamp current transformer accessories for measuring AC and DC current. This standard also applies to multi-function clamp meters, as well as multi-function clamp meters with electronic measuring devices for measuring electrical quantities such as power, power factor, phase, etc. The corresponding functional requirements should comply with the corresponding requirements of GB/T 7676.1 Require.

JB/T 9285-1999 history