上海日行銷售手持式三相多功能用電檢查儀主要技術(shù)指標(biāo) 測 量量 程精 度(0.1級）精 度(0.2級）電 壓1V~45OV0.1%0.2%電 流20mA~5A0.1%0.2%電 流 鉗0.02-5-20-100A(可選）0.2%0.2%有功(電能)COS 0.5L(C)0.1%0.2%無功(電能)Sin 0.5L(C)0.1%0.2%相位量限0~360度0.02度0.03度頻率量限48.00~52.00Hz0.01Hz0.02Hz重 量2.5kg體積260X140X74(mm)