The Metrolog 420MET (4-20mA METrolog) includes an external sensor as a complete solution. It has two channels: a 4-20mA input for recording depth (or other variable) and an optional input for flow. Like the 420TA, the 420MET can be used either with a pressure transmitter for depth logging or with a remotely-powered current loop for recording any variable.

Operating temperature: -20 to +50°C

Protection classification: IP68