


💧 Master every water metric with one rugged, precision powerhouse.
The Extech DO700 Portable Dissolved Oxygen Meter is a professional-grade, 9-in-1 water quality tester offering precise measurements of dissolved oxygen, pH, mV, conductivity, TDS, salinity, and temperature. Featuring ±0.02 pH and ±0.4 mg/L DO accuracy, automatic temperature and salinity compensation, and a durable IP57 waterproof design, it’s built for demanding field and lab environments. The kit comes complete with all necessary probes, calibration solutions, batteries, and a hard carrying case, enabling immediate, reliable testing for aquaculture, environmental monitoring, wastewater compliance, and more.



























| ASIN | B004WN6BNG |
| Batteries | 2 AA batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | #948,574 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #104 in Dissolved Oxygen Meters & Accessories #354,616 in Gardening & Lawn Care |
| Customer Reviews | 5.0 5.0 out of 5 stars (4) |
| Date First Available | May 25, 2010 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.2 pounds |
| Item model number | DO700 |
| Manufacturer | Extech |
| Measurement Accuracy | ±0.02 pH / ±0.4 mg/L |
| Number Of Pieces | 1 |
| Part Number | EXTDO700 |
| Product Dimensions | 2.6 x 10.5 x 14.1 inches |
| Style | DO700 8-in-1 Measurement |
| Warranty Description | 6 months |
R**H
What a bargain, awesome DO meter and got it for a ridiculous price of £220
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