--- product_id: 602845205 title: "INKBIRD 3-in-1 Digital Water Quality Meter, TDS, EC & Temperature Tester, Instant High Accuracy Reading, PPM Meter with Backlit Display & Auto-Off for Drinking Water, Aquarium, Hydroponics, Pool Uses" brand: "inkbird" price: "€ 51.37" currency: EUR in_stock: true reviews_count: 5 category: "Inkbird" url: https://www.desertcart.hr/products/602845205-inkbird-3-in-1-digital-water-quality-meter-tds-ec store_origin: HR region: Croatia --- # 3-in-1 TDS, EC & Temp Backlit large LCD display Auto-off & data hold INKBIRD 3-in-1 Digital Water Quality Meter, TDS, EC & Temperature Tester, Instant High Accuracy Reading, PPM Meter with Backlit Display & Auto-Off for Drinking Water, Aquarium, Hydroponics, Pool Uses **Brand:** inkbird **Price:** € 51.37 **Availability:** ✅ In Stock ## Summary > 💧 Stay ahead with precision water insights—because your health and hobbies deserve the best! ## Quick Answers - **What is this?** INKBIRD 3-in-1 Digital Water Quality Meter, TDS, EC & Temperature Tester, Instant High Accuracy Reading, PPM Meter with Backlit Display & Auto-Off for Drinking Water, Aquarium, Hydroponics, Pool Uses by inkbird - **How much does it cost?** € 51.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/602845205-inkbird-3-in-1-digital-water-quality-meter-tds-ec) ## Best For - inkbird enthusiasts ## Why This Product - Trusted inkbird brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Power Saving:** Auto-off after 5 minutes plus data hold function keeps your readings locked and battery life long-lasting. - • **Effortless & Intuitive Use:** Just dip the food-grade stainless steel probes and lock your stable reading—no tech skills required. - • **Crystal Clear Readings Anytime:** Large backlit LCD ensures you never miss a detail—even in low light or night conditions. - • **Versatile for Every Water Need:** Perfect for drinking water, aquariums, hydroponics, pools, and garden soil nutrient monitoring. - • **Instant 3-in-1 Water Quality Check:** Measure TDS (0-4995 ppm), EC (0-9990 μS/cm), and temperature with one sleek device. ## Overview The INKBIRD 3-in-1 Digital Water Quality Meter combines TDS, EC, and temperature testing in a compact, easy-to-use device featuring food-grade stainless steel probes, a large backlit LCD for clear readings, and smart auto-off and data hold functions. Ideal for professionals and enthusiasts monitoring drinking water, aquariums, hydroponics, and pools, it delivers instant, highly accurate water quality data to keep you informed and confident. ## Description Product description 4 Selectable Display Modes The Water Quality Testr provides 4 selectable display modes, which are TDS/EC with temperatures of Celcius or temperatures of Fahrenheit. 3 in 1 Water Testr TDS Accuracy: ±2% EC Accuracy: ±4% Temp Accuracy: ±0.5℃/±0.9℉ Response Time: 1 second ATC System Ideally, the automatic Temperature Compensation (ATC) System supports a measure for counteracting or correcting an undesired temperature influence. More Details Battery compartment: 2x AAA batteries (not included) Operation keys Backlight LCD display Stainless steel probe How to Install the Batteries? How to Use It? INKBIRD Water Testrs TDS Water Testr Aquarium Water Test Strips Pool Water Test Strips 3-in-1 Water Testr √ TDS , √ EC , √ Temperature compensation 7-in-1 Water Test Strips √ Hardness , √ Nitrate , √ Nitrite , √ Cl2 , √ Total Alkalinity , √ Carbonate , √ PH √ Hardness ,√ Free Chlorine ,√ Total Chlorine ,√ Bromine ,√ pH ,√ Alkalinity ,√ Cyanuric Acid Wide Uses Test the quality of water for drinking, aquarium,pool, hydroponic,planting, etc Professional Use for Aquariums The strips support freshwater and saltwater tests. For fish tanks, ponds, etc Professional Use for Pools Good for testing the water quality of swimming pools, hot springs, hot tubs, etc Wide Application Scenarios Review: Excelente - Muy buen producto, fácil de usar Review: Trustworthy Long Lasting - 5 Star Meter. I had it 4 years now. Store it without the batteries. Quality item. Easy to use & read. I test RO water - can check against tap & city water, so know it's working- very functional. Worth the $. Trust this brand. ## Features - 【3-in-1 Functionality】This 3-in-1 tester features food-grade stainless steel probes to measure the quality of domestic water instantly and accurately. It can measure the TDS value ranging from 0 to 4995 ppm and the EC value ranging from 0 to 9990 μS/cm. - 【Fine Design With A Large LCD】Besides a larger LCD screen than others, this tester has been equipped with a backlight to check data clearly in the darkness. You will love it more regarding the shell with a comfortable feel. - 【Auto Off & Lock Functions】There is a Hold button on the device to lock the measured data on the screen, making it more convenient to check data. The device will automatically be off if there is no operation for over 5 minutes to save power. - 【Simple & Easy To Use】Turn the tester on and immerse the probes in the water gently, then lock the data when the readings stay stable. You can confirm the quality of the test water by referring to the water quality rating chart. - 【Multipurpose Water Tester】This TDS tester helps you find out the quality of the water for drinking, bathing, aquariums, pools, etc. It also helps you gain a clear insight into the nutrient levels in hydroponic setups, garden soil, and so on. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09ZY2HNRR | | ASIN | B09ZY2HNRR | | Batteries | 2 AAA batteries required. | | Batteries | 2 AAA batteries required. | | Batteries Included? | No | | Batteries Required? | No | | Color | White | | Customer Reviews | 4.2 4.2 out of 5 stars (276) | | Customer reviews | 4.2 4.2 out of 5 stars (276) | | Date First Available | 9 June 2023 | | Date First Available | 9 June 2023 | | Included components | INKBIRD Water Quality Tester | | Item Package Quantity | 1 | | Item Weight | 68 g | | Manufacturer | INKBIRD | | Manufacturer | INKBIRD | | Manufacturer reference | INK-TDSK4 | | Manufacturer reference | INK-TDSK4 | | Part number | INK-TDSK4 | | Product Dimensions | 15.19 x 3.51 x 1.5 cm; 68 g | | Product Dimensions | 15.19 x 3.51 x 1.5 cm; 68 g | | Shape | rectangle | | Size | Mini | ## Images ![INKBIRD 3-in-1 Digital Water Quality Meter, TDS, EC & Temperature Tester, Instant High Accuracy Reading, PPM Meter with Backlit Display & Auto-Off for Drinking Water, Aquarium, Hydroponics, Pool Uses - Image 1](https://m.media-amazon.com/images/I/61xdbwClntL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente *by S***Z on 7 September 2022* Muy buen producto, fácil de usar ### ⭐⭐⭐⭐⭐ Trustworthy Long Lasting *by A***R on 6 December 2025* 5 Star Meter. I had it 4 years now. Store it without the batteries. Quality item. Easy to use & read. I test RO water - can check against tap & city water, so know it's working- very functional. Worth the $. Trust this brand. ### ⭐⭐⭐⭐⭐ Good... Wish durability *by D***A on 27 March 2026* Good... Wish durability ## Frequently Bought Together - INKBIRD Water Quality Tester, Accurate and Reliable, 3 in 1 TDS EC & Temperature Meter, Data Lock Function, Instant Reading with High Accuracy, for Drinking Water, Lab, Swimming Pool, Hydroponic Setup - HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume, Transparent/Blue - Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each --- ## 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.hr/products/602845205-inkbird-3-in-1-digital-water-quality-meter-tds-ec](https://www.desertcart.hr/products/602845205-inkbird-3-in-1-digital-water-quality-meter-tds-ec) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-20*