








💧 Stay ahead in precision—measure, adapt, and conquer every environment!
The Sper Scientific Waterproof Dissolved Oxygen Meter Pen 850045 delivers highly accurate dissolved oxygen and temperature readings with automatic temperature compensation. Its IP65 waterproof rating and rugged design make it ideal for environmental testing, aquariums, labs, and wastewater management. Compact and user-friendly, it comes as a complete kit with spare probes, electrolyte, batteries, and a carrying case, empowering professionals to perform reliable measurements anytime, anywhere.


















































| ASIN | B001EUB72K |
| Best Sellers Rank | #411,381 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #50 in Dissolved Oxygen Meters & Accessories |
| Date First Available | September 16, 2008 |
| Item Weight | 8 ounces |
| Item model number | 850045 |
| Manufacturer | Sper Scientific |
| Product Dimensions | 2 x 1.5 x 8 inches |
D**G
Easy to use and calibrate
I use this instrument 3-10 times daily and find it easy, accurate and rugged. It is very easy to calibrate and use.
Trustpilot
1 month ago
2 months ago