--- product_id: 69272806 title: "Extech DO700 Portable Dissolved Oxygen Meter" price: "NT$66653" currency: TWD in_stock: true reviews_count: 1 url: https://www.desertcart.tw/products/69272806-extech-do700-portable-dissolved-oxygen-meter store_origin: TW region: Taiwan --- # ±0.02 pH & ±0.4 mg/L accuracy 9-in-1 multi-parameter testing IP57 waterproof rugged design Extech DO700 Portable Dissolved Oxygen Meter **Price:** NT$66653 **Availability:** ✅ In Stock ## Summary > 🌊 Master every water metric with one powerhouse meter! ## Quick Answers - **What is this?** Extech DO700 Portable Dissolved Oxygen Meter - **How much does it cost?** NT$66653 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/69272806-extech-do700-portable-dissolved-oxygen-meter) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision You Can Trust:** Automatic temperature & salinity compensation deliver lab-grade accuracy for critical environmental and industrial monitoring. - • **Smart, Intuitive Interface:** Large backlit LCD, one-button calibration, and data hold features streamline your workflow—because your time is money. - • **Complete Kit, Instant Deployment:** Includes probes, calibration solutions, batteries, and rugged case—everything you need to start testing like a pro right out of the box. - • **All-in-One Water Quality Powerhouse:** Measure DO, pH, mV, conductivity, TDS, salinity, temperature & resistivity in one sleek device—ditch the clutter, own the data. - • **Built for the Field, Ready for Anything:** IP57 waterproof housing plus a hard carrying case means this meter thrives in harsh outdoor and industrial conditions. ## Overview The Extech DO700 Portable Dissolved Oxygen Meter is a rugged, IP57 waterproof 9-in-1 water quality tester designed for professionals demanding precision and versatility. It measures dissolved oxygen, pH, mV, conductivity, TDS, salinity, temperature, and resistivity with high accuracy (±0.02 pH, ±0.4 mg/L DO) and features automatic temperature and salinity compensation. Equipped with a large backlit display, one-button calibration, and supplied with all necessary probes, calibration solutions, batteries, and a hard carrying case, it’s optimized for field and lab use, ensuring reliable, efficient water quality analysis anytime, anywhere. ## Description Product Description The 9-in-1 DO700 Kit measures DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic salinity compensation and manual barometric pressure compensation for DO measurements. In addition, it has automatic one button calibration of 4, 7 and 10 pH with a choice of three-point calibration for better accuracy and it provides automatic temperature compensation. Complete with DO probe, pH/mV/Temp electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case. From the Manufacturer Kit measures 9 parameters including: DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. Comes in a hard carrying case with DO Probe with 3 membrane caps and fill solution, pH/mV/Temperature electrode, Polymer Conductivity cell, pH calibration solutions, Conductivity calibration solution, and 2 AA batteries. Review: Bargin - What a bargain, awesome DO meter and got it for a ridiculous price of £220 ## Features - All-in-One Water Quality Testing - Go beyond just dissolved oxygen. The DO700 measures pH, mV, ORP, conductivity, TDS, salinity, and temperature in one rugged, portable device—perfect for professionals who need versatility without juggling multiple meters. - High Accuracy for Critical Applications - Whether you're monitoring aquaculture tanks, testing wastewater compliance, or running field research, the DO700 delivers precise, repeatable readings with automatic temperature compensation to ensure trustworthy results every time. - Built Tough for Real-World Use - Designed with a durable waterproof IP57 housing and a protective hard carrying case, this meter is built to handle challenging environments—making it reliable for field inspections, lab work, or industrial sites. - User-Friendly Design with Smart Features - A large backlit LCD screen makes multi-parameter results easy to read, while data hold, auto power off, and simple push-button calibration save time and keep your workflow efficient. - Ready for Field or Lab Work - Comes complete with DO probe, conductivity/TDS cell, pH electrode, temperature probe, calibration solutions, and carrying case—everything you need to start accurate testing right out of the box. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004WN6BNG | | Batteries | 2 AA batteries required. (included) | | Batteries Included? | Yes | | Batteries Required? | Yes | | Battery Cell Type | Alkaline | | Best Sellers Rank | #1,066,654 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #121 in Dissolved Oxygen Meters & Accessories #390,254 in Gardening & Lawn Care | | Color | Green/Orange | | Customer Reviews | 5.0 5.0 out of 5 stars (4) | | Date First Available | May 25, 2010 | | Included Components | Meter, Probe, Membrane, Batt, Case | | 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 | ## Images ![Extech DO700 Portable Dissolved Oxygen Meter - Image 1](https://m.media-amazon.com/images/I/61s+kwPYhrL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bargin *by R***H on February 17, 2020* What a bargain, awesome DO meter and got it for a ridiculous price of £220 ## Frequently Bought Together - Extech DO700 Portable Dissolved Oxygen Meter - Apera Instruments AI1108 pH Calibration Buffer Solution Kit for pH/ORP Electrodes, 4.00 & 7.00 pH, 4 oz & 8 oz - EXTECH INSTRUMENTS RE300 ExStik ORP Meter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tw/products/69272806-extech-do700-portable-dissolved-oxygen-meter](https://www.desertcart.tw/products/69272806-extech-do700-portable-dissolved-oxygen-meter) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-11*