Dissolved oxygen meters HomeProductsDissolved oxygen meters Inquiry Save to Favorites GO :::::Sort::::: Name Date Added Popular ↑ ↓ =Digital Pocket Dissolved Oxygen Tester DMT-50= Finally it is available, a pocket dissolved oxygen tester, allowing fast and quick measurement of DO in any water source, great for aquaculture, aerobic bacteria respiration measurement, a must for... Read More Inquiry Now Dissolved oxygen meters Made in Korea Dissolved Oxygen Made in Korea Water measurement Made in Korea Water quality Made in Korea DO Made in Korea Water tester Made in Korea Testing Made in Korea