Greyline Instruments PDFM 4.0 Portable Doppler Flow Meter Water Level Meters velocity and flow to help

velocity and flow to help you  meet industry standards

uses fewer pumps

500 BTU RV AC units

including hydrogen sulfide (H2S)

Greyline Instruments PDFM 4.0 Portable Doppler Flow Meter Water Level Meters velocity and flow to helpIt's ideal for flow troubleshooting, balancing and checking performance of permanent flow meters. The new PDFM 4. 0 is fast and easy to operate you can mount the sensor on the outside a pipe in less than a minute. Use the built in keypad and calibration menu to set up the flowmeter for your application. The PDFM 4. 0 works on any liquid containing bubbles or solids and is recommended for "difficult liquids" like wastewater, slurries, sludge,