ratemeter

in radiochemistry
https://doi.org/10.1351/goldbook.R05142
An electronic sub-assembly which gives a continuous indication proportional to the average @C01379@ over a predetermined time interval (time constant).
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1550 [Terms] [Paper]