portable

3Wire - BTU2X Portable Ultrasonic Flow Meter
INTRODUCTION BTU2X Portable Ultrasonic Flow Meter with BTU Function (Optional) is a compact and advanced portable device, use to verify the flow (BTU), datalog system values over an extended time period or even as a permanent deployment.

CIRe3 Portable Power Analyzer Product Description

The CIR-e family are the lower-range CIRCUTOR analyzers, but offer as many benefits. They make up a family of counters which allow the technician to obtain the electrical parameters necessary to perform energy audits and power quality. They don't have a display screen.