--- product_id: 31619366 title: "Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration" price: "46187 Ft" currency: HUF in_stock: true url: https://www.desertcart.hu/products/31619366-apera-instruments-ai213-value-series-tds20-waterproof-tds-pocket-tester store_origin: HU region: Hungary --- # ±1% Accuracy IP67 Waterproof 1000h Battery Life Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration **Price:** 46187 Ft **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead of the curve with precision water testing in your pocket! ## Quick Answers - **What is this?** Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - **How much does it cost?** 46187 Ft with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/31619366-apera-instruments-ai213-value-series-tds20-waterproof-tds-pocket-tester) ## 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 - • **Long-Lasting Power:** Up to 1000 hours of continuous use powered by AAA batteries keeps you testing without interruption. - • **Effortless Calibration:** 2-point auto calibration with auto buffer recognition makes setup and maintenance a breeze. - • **Precision You Can Trust:** Industry-leading ±1% full scale accuracy ensures your water quality readings are always spot-on. - • **All-in-One Professional Kit:** Comes complete with calibration solutions, batteries, lanyard, and a rugged carrying case for on-the-go convenience. - • **Built to Brave the Elements:** IP67 waterproof design means reliable performance even in the wettest, toughest environments. ## Overview The Apera Instruments AI213 TDS20 Pocket Tester Kit delivers professional-grade total dissolved solids measurement with ±1% accuracy, IP67 waterproof durability, and 2-point auto calibration. Featuring a large dual LCD display, auto temperature compensation (0-50°C), and a complete kit including calibration solutions and batteries, it offers up to 1000 hours of battery life. Perfect for water quality monitoring in aquariums, agriculture, pools, and environmental applications, this compact, rugged tester ensures reliable, on-the-go performance backed by ISO 9001:2015 quality standards. ## Description Apera Instruments TDS20 Pocket TDS Tester Kit is built for professional TDS measurement of general water solutions, including tap water, agriculture, aquaculture, pools& spas, education, environmental monitoring, etc. Range: 0-100. 0 ppm, 0-1000 ppm, 0-10. 0 ppt (10, 000 ppm), Accuracy: 1% F. S. 1-2 points auto. calibration, 0 to 50˚C auto. temp. compensation. The BPB (Brush-Resistant Platinum Black) sensor adopts Apera's 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 TDS measurement than traditional stainless steel electrodes, and is easy to clean. The large LCD screen has ppm/temp. value dual display and indications of completed calibrations and stable readings. Practical functions to make your TDS testing easier and more reliable: 2-point auto calibration, 0 to 50˚C auto. temp. compensation. Customizable TDS factor from 0. 4 to 1. 0. Self-diagnosis with out-of-range and low battery warning. Complete kit: TDS20 meter, 2 bottles of calibration solutions, AAA batteries, and a lanyard all in a portable carrying case. IP67 water-resistant. Up to 1000 hours of use powered by 4 AAA batteries. Low power alarm and auto. power off in 8 min if no operation. The product is CE and RoHS certified, and is manufactured under an ISO 9001: 2015 certified quality system. ## Features - Accuracy: 1% F. S, 0. 5˚C; Range: 0-10, 000 ppm (10 ppt) - EASY Auto Calibration with auto buffer recognition; 0 to 50˚C Auto. Temp. Compensation - Large LCD with dual display of temp. /ppt, and reminders of completed calibrations and stable readings - Complete kit with calibration solutions, batteries, and a lanyard in a portable carrying case - up to 1000 hours' operation powered by AAA batteries ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.4 out of 5 stars 254 Reviews | ## Images ![Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - Image 1](https://m.media-amazon.com/images/I/61Ao3j-VVrL.jpg) ![Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - Image 2](https://m.media-amazon.com/images/I/719hWuT8auL.jpg) ![Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - Image 3](https://m.media-amazon.com/images/I/91PyXvrMveL.jpg) ![Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - Image 4](https://m.media-amazon.com/images/I/91zXB2cPerL.jpg) ![Apera Instruments AI213 Value Series TDS20 Waterproof TDS Pocket Tester kit, Accuracy: ±1% F.S, 2-Point Auto. Calibration - Image 5](https://m.media-amazon.com/images/I/81lEgb3Qi-L.jpg) ## 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.hu/products/31619366-apera-instruments-ai213-value-series-tds20-waterproof-tds-pocket-tester](https://www.desertcart.hu/products/31619366-apera-instruments-ai213-value-series-tds20-waterproof-tds-pocket-tester) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-10-08*