Handheld DO Meters

Handheld dissolved oxygen meters are a great choice for use in the field. Be it for fishing or scientific research, these meters can help you in your application.

Check out our Accessories for handheld DO Meters!

DO6 Meters New! — Compact and economical. A rugged rubber boot protects the model.
DO110 Meters — This handheld unit is a great way to make your dissolved oxygen measurements. It is easy to use and requires absolutely no warm up time.
DO300 Meters — Choose the DO300 for use in more rugged environments. The DO300 is water and dustproof.

Handheld

APT Instruments
P.O. Box 317
Rochester, IL 62563