--- 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: "₩324996" currency: KRW in_stock: true reviews_count: 1 category: "Apera Instruments" url: https://www.desertcart.kr/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1 store_origin: KR region: South Korea --- # ±1% accuracy 1000 hrs battery life Auto Temp. Compensation 0-50°C Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit **Brand:** apera instruments **Price:** ₩324996 **Availability:** ✅ In Stock ## Summary > 🌟 Stay sharp, stay precise — the TDS20 keeps your water quality game on point! ## 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?** ₩324996 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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 - • **All-Inclusive Kit:** Comes with calibration solutions, batteries, lanyard, and rugged case—ready to go out of the box. - • **Temperature-Ready:** Auto temperature compensation ensures consistent results across 0-50°C environments. - • **Long-Lasting Power:** Up to 1000 hours of continuous use powered by included AAA batteries keeps you measuring without interruption. - • **Precision You Can Trust:** BPB probe delivers ±1% full scale accuracy for reliable TDS readings every time. - • **Smart Calibration, Zero Hassle:** Auto calibration with buffer recognition keeps your measurements flawless and effortless. ## Overview The Apera Instruments TDS20 is a waterproof, pocket-sized TDS tester featuring a brush-resistant platinum black probe for ±1% accuracy, auto calibration with buffer recognition, and auto temperature compensation from 0 to 50°C. It includes a complete kit with calibration solutions, batteries, and a rugged carrying case, offering up to 1000 hours of continuous operation. CE certified with a 2-year warranty, it’s the professional’s choice for reliable water quality testing on the go. ## 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 ## Features - APERA's unique BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range of TDS measurements - EASY Auto Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C) - LARGE CLEAR LCD with DUAL Display of temp./ppm, and REMINDERS of completed calibrations and stable readings - COMPLETE KIT with READY-TO-USE calibration solutions, AAA batteries, and a lanyard in a rugged portable carrying case. 1000 hours' continuous operation time powered by AAA batteries. - The meter is CE certified and comes with a 2-YEAR Warranty (6 months for the probe). In India, IPSI provides warranty only for Apera products sold through it’s authorized distribution channel. ## 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 ## 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.kr/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1](https://www.desertcart.kr/products/79526970-apera-instruments-tds20-value-waterproof-tds-pocket-tester-accuracy-1) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-19*