Geotech Portable Bladder Pump — 0.675" dairy 5 mm plug-in connection designed

5 mm plug-in connection designed exclusively for edge meters (no pins to bend or break)

so you're ready to bore and collect disturbed samples right out of the case

low-drift oxygen readings

5 LPM regulator

and a single N-type battery powers the pen

Geotech Portable Bladder Pump — 0.675" dairy 5 mm plug-in connection designedThe 0. 675" Geotech Portable Bladder Pump is the smallest diameter in the range built for 3 4" wells, direct push points, piezometers and multilevel systems where nothing larger will pass. Stainless steel body with a quick change bladder. Even at this diameter the pump keeps drive air fully separated from the sample: compressed air squeezes a flexible bladder, and only the bladder touches the water. That is what makes bladder pumps the reference