The Membrane Difference of DOG-209F and DOG-209FA Dissolved Oxygen Sensor
The Membrane Difference of DOG-209F and DOG-209FA Dissolved Oxygen Sensor 1. DOG-209F and DOG-209FA ,the both is all polarography 2. Main difference of the both is the membrane, DOG-209F is with common DO membrane, DOG-209FA is with steel mesh DO membrane. 3.Compere with DOG-209F, DOG-209FA is more suitable for harsh environment ,like dirty water with many particles . 4.So DOG-209FA will have better performance and long working life in harsh environment than DOG-209F.