The Milwaukee MA841 Dissolved Oxygen Membranes are compatible with the MA840 & MA845 Polarographic Dissolved Oxygen Probe used on the MW600 & MW190 Dissolved Oxygen Meter.
Easy to fill with MA9071 Oxygen Electrolyte Solution
Includes membranes and 5 o-rings
Testing Parameters
DO
Milwaukee Instruments handheld testers, portable meters and stationary monitors-controllers are warranted for a period of 2 years and bench meters for 3 years. The PH600 pH Pen and versions of it have a 1 year warranty. Replaceable probes are warranted for a period of 6 months.