BM851A digital clamp meterDetailed product description：

BM851A type 3 1/2 digit digital clamp meter

Maximum display: 1999
overload protection
Maximum jaw opening: 30mm
DC voltage: 20V ± 0.8% ± 2, 600V ± 1% ± 3
AC voltage: 600V ± 1.5% ± 5
AC current: 2/20/200/600A ± 1.9% ± 5
Resistance: 2K Ω± 1.0% ± 3
on-off test
Two pole power supply: 9V × 1 (6F22 or NEDA)
Dimensions: 213 × 75 × 32mm
Weight: Approximately 240g (including battery)