1)recording galvanometer,自记电流计2)automatic current recording meter,自动记录电流计3)self-recording water meter,自记流量计4)self-recording current-meter,自记流速计5)recording potentiometer,自记电位计6)recording ammeter,记录式电流表，自记安培计
用法例句
Three kinds of self-recording water meters with low cost,newly designed by the authors,were introduced.