--- product_id: 79526970 title: "Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit" brand: "apera instruments" price: "R$1974" currency: BRL in_stock: true reviews_count: 6 category: "Apera Instruments" url: https://www.desertcart.com.br/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1 store_origin: BR region: Brazil --- # IP67 Waterproof & Dustproof ±1% Accuracy with BPB Probe 1000h Battery Life (AAA) Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit **Brand:** apera instruments **Price:** R$1974 **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead of the curve with precision that floats your workflow! ## Quick Answers - **What is this?** Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit by apera instruments - **How much does it cost?** R$1974 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1) ## Best For - apera instruments enthusiasts ## Why This Product - Trusted apera instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready When You Are:** Complete kit includes calibration solutions, AAA batteries, and rugged carrying case—test anywhere, anytime without delay. - • **User-Centric Design:** Large dual LCD display with clear temp/ppm readouts, calibration reminders, and stable reading indicators for seamless operation. - • **Built to Endure & Float:** IP67 waterproof, dustproof, and buoyant design means no worries if it slips into water—plus 1000 hours of continuous use on AAA batteries. - • **Precision You Can Trust:** ±1% F.S accuracy with Apera’s exclusive Brush-Resistant Platinum Black probe ensures lab-grade consistency in every measurement. - • **Effortless Calibration & Compensation:** Auto buffer recognition and temperature compensation (0-50°C) guarantee flawless readings in any environment. ## Overview The Apera TDS20 Value Waterproof Pocket Tester delivers professional-grade total dissolved solids measurements with ±1% accuracy using a unique Brush-Resistant Platinum Black probe. Featuring auto calibration, temperature compensation, and a large dual LCD, it’s designed for reliable, on-the-go water quality testing across agriculture, aquaculture, and more. IP67 waterproof and dustproof with a rugged kit including calibration solutions and AAA batteries, it offers up to 1000 hours of continuous use backed by a 2-year warranty. ## Description The Apera Instruments TDS20 Value Range TDS tester is is designed for all kinds of regular TDS test applications including tap water testing, agriculture, aquaculture, swimming pools & spas, education, etc. 1-2 points auto calibration with auto buffer recognition, 0 to 50ËšC auto temp. compensation. Range: 0-100.0 ppm, 0-1000 ppm, 0-10.0 ppt, Accuracy: ±1% F.S. Apera's unique BPB (Brush-Resistant Platinum Black) sensor adopts our special processing technology, which minimizes electrode polarization, expands measuring range, and increases firmness of the electrode, hence ensuring a much higher accuracy and consistency in a wide-range EC measurement than traditional stainless steel electrodes, and is easy to clean. Large clear 180Ëš viewing angle screen, it supports dual display of temp./ppm and indications of completed auto calibrations and stable readings. Great functions to make your testing experience a lot easier: 3-point auto calibration with auto buffer recognition, 0 to 50ËšC auto temp. compensation. Self-diagnosis with out-of-range and low battery warning, and incorrect calibration reminder. IP67 waterproof and dustproof, floats on water so no need to worry if it falls into water by accident. Up to 1000 hours' continuous operation powered by AAA batteries (with low power warning and auto power off in 8 min if no operation). The TDS20 meter comes in complete kit with a rugged case including calibration solutions, AAA batteries, and a lanyard all in a portable carrying case. The meter is CE certified and comes with a 2-YEAR Warranty (6 months for the probe). Apera Instruments designs and manufactures scientific analytical instruments like meters and sensors for pH, conductivity, turbidity, and dissolved oxygen for over 25 years, and meets ISO 9001:2008 Standards. For warranty registration write in to us with product name and serial number., Review: Is it water testing oxygen meter? - Like Review: 良い商品でした。 - TSDメーターを2本持っていますが、測定結果の差にひらきがあり過ぎるので、この商品を購入しました。 購入するに当たっては、pHメーター（PH-20）を持っていて精度も良かったのと、自分で校正出来る点を考慮して決めました。 購入したばかりなので耐久性は分かりませんが、測定結果は満足いくものでした。 校正の手順も、クイックマニュアルに図解で説明があり分かりやすかったです。 ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Apera Instruments | | Manufacturer | Shanghai Sanxin Instrumentation | | Model number | AI213 | | Colour | Green and White | | Number of Memory Sticks | 1 | | Item Weight | 110 g | | Product Dimensions | 19.6 x 8.6 x 3.3 cm; 110.56 g | | Batteries | 4 AAA batteries required. (included) | | Item model number | AI213 | | Item Height | 3.3 Centimeters | | Item Width | 8.6 Centimeters | | Are batteries included? | Yes | ## Images ![Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit - Image 1](https://m.media-amazon.com/images/I/61Ao3j-VVrL.jpg) ![Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit - Image 2](https://m.media-amazon.com/images/I/719hWuT8auL.jpg) ![Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit - Image 3](https://m.media-amazon.com/images/I/91PyXvrMveL.jpg) ![Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit - Image 4](https://m.media-amazon.com/images/I/91zXB2cPerL.jpg) ![Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit - Image 5](https://m.media-amazon.com/images/I/81lEgb3Qi-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Is it water testing oxygen meter? *by A***. on 14 September 2018* Like ### ⭐⭐⭐⭐⭐ 良い商品でした。 *by く***ラ on 15 November 2022* TSDメーターを2本持っていますが、測定結果の差にひらきがあり過ぎるので、この商品を購入しました。 購入するに当たっては、pHメーター（PH-20）を持っていて精度も良かったのと、自分で校正出来る点を考慮して決めました。 購入したばかりなので耐久性は分かりませんが、測定結果は満足いくものでした。 校正の手順も、クイックマニュアルに図解で説明があり分かりやすかったです。 ### ⭐⭐⭐⭐⭐ Bonne précision *by R***E on 9 January 2023* Facile à calibrer, donne une bonne lecture ## Frequently Bought Together - Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy - General Hydroponics pH Control Kit For A Balanced Nutrient Solution --- ## 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.com.br/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1](https://www.desertcart.com.br/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-07-24*