Geotech Portable Bladder Pump — 0.675" dairy Always recalibrate after fitting a

Always recalibrate after fitting a new membrane and electrolyte

and a single N-type battery powers the pen

the UNI 321 offers exceptional convenience and cost-effectiveness

low-drift oxygen readings

Geotech Portable Bladder Pump — 0.675" dairy Always recalibrate after fitting aThe 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