The 5685 DO membrane kit is typically only used under special circumstances. The 2.0 mil membranes reduce sensitivity but are less affected by biofouling.
Features
Includes (30) 2.0 mil membranes, (1) bottle of electrolyte, (2) O-rings
Designed for use with YSI 55, 5750, 5739, 5718, & 6562 DO probes
Double thickness membrane used to measure very high DO levels or for longer term monitoring
Air Quality
