--- product_id: 425272324 title: "GAIN EXPRESS Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory" brand: "gain express" price: "£59.34" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/425272324-gain-express-digital-combo-ph-and-temperature-meter-aquarium-thermometer store_origin: GB region: United Kingdom --- # 3-point auto calibration 3-month battery life Automatic temperature compensation GAIN EXPRESS Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory **Brand:** gain express **Price:** £59.34 **Availability:** ✅ In Stock ## Summary > 🌟 Stay ahead with precision pH & temp monitoring—because your ecosystem deserves the best! ## Quick Answers - **What is this?** GAIN EXPRESS Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory by gain express - **How much does it cost?** £59.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/425272324-gain-express-digital-combo-ph-and-temperature-meter-aquarium-thermometer) ## Best For - gain express enthusiasts ## Why This Product - Trusted gain express brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Efficient Design:** Power-saving mode extends battery life to 3+ months with 4 AA alkaline batteries. - • **Smart Screen Visibility:** Large backlit display lets you monitor pH and temperature clearly—even in low light. - • **Versatile for Professionals:** Ideal for aquariums, hydroponics, aquaculture, and laboratory use—be the expert in your circle. - • **Precision at Your Fingertips:** Up to 3-point automatic pH calibration ensures lab-grade accuracy every time. - • **Temperature-Adjusted Readings:** Automatic Temperature Compensation (ATC) eliminates errors from water temp fluctuations. ## Overview The GAIN EXPRESS Digital Combo pH & Temperature Meter offers highly accurate, 3-point automatic calibration and automatic temperature compensation for reliable readings. Featuring a large backlit screen and low battery indicator, it’s designed for professional use in aquariums, hydroponics, aquaculture, and labs. Powered by 4 AA batteries with a 3-month lifespan, it combines precision with convenience in a compact, durable nylon body. ## Description GAIN EXPRESS Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory ## Features - FEATURES: Large screen monitor with smart backlight which allows you to read easily even in dark sorroundings. pH and Temperature display with low battery indicator and the unit operates power saving mode. - Multi-points Calibration: Up to 3 Points PH calibration (pH 7.0 / pH 4.01 / pH 10.01). It has advance one touch calibration function with automatic buffer recognition to avoid errors. - ATC (Automatic Temperature Compensation): The monitor has ATC function so it will decrease the error of PH readings caused by the fluctuation of water temperature. - HIGHLY ACCURATE MEASUREMENT: It has separate probe. When taking a measurement, simply place your probes into the solution and and then the accurate readings will be displayed on screen. - POWER SOURCE: The monitor is operated with 4 x AA Alkaline Battery. It will go into power saving mode after around 5 minutes. In this way, it can provide battery life time for at least 3 months. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | GAIN EXPRESS | | Model Number | PHM-295 | | Color | pH&Temp Monitor(Upgraded) | | Package Dimensions | 17.6 x 14.7 x 5.9 cm; 390 g | | Material | Nylon | | Special Features | High Accuracy, Low Battery Indicator | | Item Weight | 390 g | ## Product Details - **Brand:** GAIN EXPRESS - **Special features:** High Accuracy, Low Battery Indicator - **Colour:** pH&Temp Monitor(Upgraded) - **Age range (description):** Adult - **Included components:** Battery ## Images ![GAIN EXPRESS Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory - Image 1](https://m.media-amazon.com/images/I/61OwPb6zhYL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory - 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.co.uk/products/425272324-gain-express-digital-combo-ph-and-temperature-meter-aquarium-thermometer](https://www.desertcart.co.uk/products/425272324-gain-express-digital-combo-ph-and-temperature-meter-aquarium-thermometer) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-06*