--- product_id: 623686944 title: "AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools" brand: "ac infinity" price: "€ 201.90" currency: EUR in_stock: true reviews_count: 7 category: "Ac Infinity" url: https://www.desertcart.at/products/623686944-ac-infinity-ph-meter-pro-kit-high-precision-digital-ph store_origin: AT region: Austria --- # IP-67 waterproof & dustproof Replaceable probe for longevity ±0.01 pH ultra-precision AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools **Brand:** ac infinity **Price:** € 201.90 **Availability:** ✅ In Stock ## Summary > 🌿 Precision pH mastery for the modern grower and water connoisseur ## Quick Answers - **What is this?** AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools by ac infinity - **How much does it cost?** € 201.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/623686944-ac-infinity-ph-meter-pro-kit-high-precision-digital-ph) ## Best For - ac infinity enthusiasts ## Why This Product - Trusted ac infinity brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** IP-67 rating means this meter thrives in moisture, dust, and heat—perfect for any environment from greenhouses to pools. - • **Lab-Grade Accuracy:** Pinpoint ±0.01 pH readings ensure your water quality is always optimized for peak plant and aquatic health. - • **Smart Replaceable Probe:** Easily swap out the sensitive glass membrane probe to maintain flawless performance without buying a new meter. - • **Versatile Water Testing:** Ideal for hydroponics, gardening, aquariums, swimming pools, and even homebrewing—one tool for all your water quality needs. - • **Complete Calibration Kit:** Includes ready-to-use pH buffers (4.00, 7.00, 10.01) and KCL storage solution for consistent, reliable results every time. ## Overview The AC Infinity pH Meter PRO Kit delivers lab-grade ±0.01 accuracy with a replaceable glass membrane probe and IP-67 waterproof design. Equipped with a full calibration solution set, it’s engineered for professionals managing water quality in hydroponics, aquariums, pools, and more—ensuring precise, reliable readings in any environment. ## Description Product DescriptionA digital water quality meter designed to measure water’s acidity, alkalinity, and temperature to help optimize its quality for gardening and water treatment applications. The highly responsive sensor probe utilizes a lithium glass membrane to instantly determine pH readings with highly precise ±0.01 accuracy. This pH pen tester for water features an IP-67 rating, specially sealed to withstand moisture and heat, as well as block out intrusive dust and sand. For further protection, the hydroponic pH meter is built with a sensor shield to safeguard your probe in between uses. The included 4.00 pH, 7.00 pH, and 10.01 pH calibration solutions ensure consistently accurate measurements, while the 3M KCL solution supports proper storage conditions to help extend the lifespan of the pH and PPM meter.Replaceable ProbeEach pH monitor sensor probe can be effortlessly replaced to support ongoing accuracy and speed with every reading. This extends your digital meter’s lifespan while simultaneously increasing savings by eliminating the need to purchase new lab pH meters. Simply install a replacement probe and continue monitoring your water quality without interruption.ApplicationsThis fast-acting nutrient test alkalinity meter to help you determine how well your water uptakes nutrients. Fit for use as a pH meter for plants in horticultural settings like gardens, grow tents, greenhouses, and hydroponics systems. In addition, its application spans far beyond plant growing, capable of being a general pH level tester for water used in swimming pools, spas, aquarium fish tanks, and beverage homebrewing applications to help determine water safety. Review: Don’t waste money on cheap pens. Get this one - Fantastic piece of kit. Well worth the money Review: Ac infinity ph meter - Faster to read than essential ph pen ## Features - Advanced pH reader for water quality assessment designed to help monitor and maintain proper pH levels. - Measures the acidity, alkalinity, and temperature of water for gardens, aquariums, pools, and more. - Replaceable sensor probe with sensitive glass membrane delivers instant pH readings with pinpoint accuracy. - IP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat. - Lab-grade test kit includes ready-to-use KCL, 4.00, 7.00 & 10.01 solutions for long-lasting precision. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CLQYLW44 | | Batteries Required? | Yes | | Batteries included? | Yes | | Battery Cell Type | Alkaline | | Best Sellers Rank | 19,474 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 29 in Lab pH Meters | | Customer Reviews | 4.4 4.4 out of 5 stars (152) | | Date First Available | 24 Oct. 2023 | | Included components | pH Meter, Replaceable Probe, Calibration Solutions | | Item Package Quantity | 1 | | Item Weight | 780 g | | Manufacturer | AC Infinity | | Manufacturer reference | AC-PHM5 | | Package Dimensions | 25.6 x 21.5 x 5.2 cm; 780 g | | Part number | AC-PHM5 | | Size | pH Meter PRO Kit | ## Product Details - **Brand:** AC Infinity - **Manufacturer:** AC Infinity - **UPC:** 819137023987 ## Images ![AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools - Image 1](https://m.media-amazon.com/images/I/61bjNWPQHHL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Don’t waste money on cheap pens. Get this one *by L***M on 23 June 2025* Fantastic piece of kit. Well worth the money ### ⭐⭐⭐⭐⭐ Ac infinity ph meter *by M***N on 26 March 2025* Faster to read than essential ph pen ### ⭐⭐⭐⭐⭐ Review *by N***R on 3 December 2025* Ich habe nichts zu beanstanden kommt in einem schönen koffer wo alles sehr aufgeräumt drinn ist die sonde kann man tauschen falls mal kaputt wirklich ein super gerät ## Frequently Bought Together - AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools - AC Infinity CLOUDFORGE T3, Plant Humidifier 4.5L with VPD Humidity Controls, 10-Level Precision Vaporizer, Extendable Targeting Hose and No-Leak Seal for Grow Tents - 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.at/products/623686944-ac-infinity-ph-meter-pro-kit-high-precision-digital-ph](https://www.desertcart.at/products/623686944-ac-infinity-ph-meter-pro-kit-high-precision-digital-ph) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-04-29*