How long will the sensor cap last?

FAQ - Hach LDO™

1. Are first and second generation LDO sensors interchangeable?
2. What is the difference between the first and second generation Hach LDO sensor for Hydrolab sondes?
3. What is the recommended calibration procedure for Hach LDO?
4. What is Hach LDO and how does it work?
5. Is a circulator required with the Hach LDO sensor?
6. Will fouling affect the DO readings from a Hach LDO sensor?
7. Q: How long will the sensor cap last? A: The sensor cap is a consumable item that Hach Hydromet recommends replacing once per year.
   
   
8. What is the warranty on the Hach LDO sensor?