Greyline Instruments PDFM 5.1 Portable Doppler Flow Meter Pushrod Cameras providing continuous measurements of the

providing continuous measurements of the concentrations of airborne particles for total particulate and cut-points ranging from PM10 down to PM1

replacement O-ring Kit

Freeze Protection Kit: Optional accessory available to prevent freezing in the groundwater sampling line

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Greyline Instruments PDFM 5.1 Portable Doppler Flow Meter Pushrod Cameras providing continuous measurements of theIt's ideal for flow troubleshooting, balancing and checking performance of permanent flow meters. The new PDFM 5. 1 is fast and easy to operate you can mount the sensor on the outside of 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 5. 1 works on any liquid containing bubbles or solids and is recommended for "difficult liquids" like wastewater, slurries, sludge,