--- product_id: 138565364 title: "PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa" brand: "gain express" price: "S$97" currency: SGD in_stock: true reviews_count: 8 url: https://www.desertcart.sg/products/138565364-ph-and-temperature-2-in-1-continuous-monitor-meter-w store_origin: SG region: Singapore --- # Backlit for Clear Readings Dual pH & Temp Display Battery & DC Powered PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa **Brand:** gain express **Price:** S$97 **Availability:** ✅ In Stock ## Summary > 💧 Stay sharp, stay ahead: your water’s health in one sleek monitor! ## Quick Answers - **What is this?** PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa by gain express - **How much does it cost?** S$97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/138565364-ph-and-temperature-2-in-1-continuous-monitor-meter-w) ## 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 - • **User-Friendly Operation:** Two-button simplicity means no steep learning curve—ideal for busy professionals and hobbyists alike. - • **Versatile for Multiple Applications:** From aquariums to hydroponics and pools, this all-in-one kit adapts to your water quality needs with professional accuracy. - • **Simultaneous pH & Temperature Readings:** Monitor water quality with precision and ease on a dual display that keeps you informed in real-time. - • **Cost-Effective Replaceable pH Electrode:** Extend your device’s lifespan effortlessly by swapping out just the electrode, saving money and reducing waste. - • **Continuous Monitoring with Flexible Power Options:** Stay ahead with uninterrupted data via battery or included 6V DC adapter—perfect for long-term projects. ## Overview The PH & Temperature 2-in-1 Continuous Monitor Meter by GAIN EXPRESS offers precise, simultaneous pH and temperature readings with a clear backlit dual display. Designed for continuous use, it supports both battery and 6V DC power, ensuring reliable long-term monitoring. Featuring a replaceable BNC pH electrode, it reduces maintenance costs and extends device life. Ideal for professionals and enthusiasts managing aquariums, hydroponics, pools, and spas, this compact kit includes all essentials for accurate water quality assessment. ## Features - 2-IN-1 WATER QUALITY COMBO METER: Displays pH & Temperature measurement results simultaneously - DESIGN FOR CONTINUOUS MONITORING- Big and clear dual measurement display with backlight, Power supplied by batteries or 6V DC (Both are included), ideal for long-term continuous monitoring - SIMPLE OPERATION: With only 2 buttons- Power button and °C/ °F Switch button, it's easy to use. Ideal for both beginners and professionals. - REPLACEABLE PH ELECTRODE: BNC type pH electrode is detachable and replaceable. No need to change the whole water quality monitor even after a long period of usage. Simply replacing the pH electrode saves your cost. - WIDE APPLICATIONS: Great for all home and professional pH testing and water quality monitoring applications including aquariums, hydroponics, swimming pools, household drinking water, spas and so on ## Technical Specifications | Specification | Value | |---------------|-------| | Age Range Description | Adult | | Asin | B07P7FNRSZ | | Best Sellers Rank | 18,713 in Business, Industry & Science (See Top 100 in Business, Industry & Science) 20 in Lab pH Meters | | Brand | GAIN EXPRESS | | Colour | pH&Temp Monitor | | Country Of Origin | China | | Customer Reviews | 3.9 3.9 out of 5 stars (279) 3.9 out of 5 stars | | Display Type | Digital | | Immersion Depth | 2E+1 Centimetres | | Included Components | 1 x Temperature Meter, 1 x Removable BNC PH Electrode, 1 x Fixed Temperature Probe, 1 x 4.01 pH Buffer Powder, 1 x 6.86 pH Spray Powder, 1 x PH 9.18 Spray Powder, 1 x Mini Screwdriver, 1 x Clip Holder, 1 x Rubber Suction Cup, 4 x AG133 Button Batteries of 1.5 V, 1 x Power Adapter, English Instruction Manual, Sturdy Carrying Case | | Indoor Outdoor Usage | Indoor | | Manufacturer | Gain Express Holdings Ltd | | Manufacturer Part Number | PHM-245_US | | Model Name | PHM-245 | | Model Number | PHM-245 | | Number Of Batteries | 4 A batteries required. | | Outer Material | Plastic | | Power Source | Battery Powered | | Product Care Instructions | Wipe Clean | | Response Time | 1 seconds | | Reusability | Rechargeable | | Special Features | Backlit, Replaceable Electrode, Continuous Power, °C/°F Switching | | Specification Met | True | | Style Name | Contemporary | | Unit Count | 1 count | | Upc | 600316549851 | | Upper Temperature Rating | 55 Degrees Celsius | ## Product Details - **Age range (description):** Adult - **Brand:** GAIN EXPRESS - **Colour:** pH&Temp Monitor - **Display type:** Digital - **Outer material:** Plastic - **Product care instructions:** Wipe Clean - **Special feature:** Backlit, Replaceable Electrode, Continuous Power, °C/°F Switching - **Specification met:** True - **Unit count:** 1 count ## Images ![PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa - Image 1](https://m.media-amazon.com/images/I/71U2QxiLC0L.jpg) ## Available Options This product comes in different **Colour Name** options. ## Questions & Answers **Q: Does it have an alarm if parameters are off or does it just read the parameters? I need to set an alarm if pH rises above 8.4** A: No, it doesn't. **Q: I made the mistake of calibrating it with the solution mix with water at 22°c instead of 25°c. do i have to redo the process to make the ph accurate?** A: To correct the true reading, yes, but throw it out, return it whatever just get a better one. **Q: It mentions drinking water, would this meet FDA standards for contact with products for human consumption?** A: Not worth it. Faulty products. **Q: will it measure the water tempter or air temp.** A: Hi, the meter measures pH and water temperature simultaneously. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by on Reviewed in the United Kingdom 7 June 2023* As long as you set it up correct and use the instructions mine is perfect and piece of mind !! ### ⭐ Dodgey *by on Reviewed in the United Kingdom 30 January 2025* Doesn't work properly, keeps freezing. Screen malfunctions. Can't seem to get a replacement. Probe broke very quickly. Bought a replacement. Realised the unit was dodgy too. Waste of money. Would like a refund. ### ⭐⭐⭐⭐ good job *by on Reviewed in the United Kingdom 6 December 2022* good job ## Frequently Bought Together - 2 in 1 pH & Temperature Monitor, pH Meter with Backlight Function, Dual Display 0.00~14.00pH °C/ °F Water Quality Tester pH Monitor for Water, Fish Tank, Aquarium, Hydroponics, Pools - General Hydroponics pH Control Kit For A Balanced Nutrient Solution - VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified --- ## 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.sg/products/138565364-ph-and-temperature-2-in-1-continuous-monitor-meter-w](https://www.desertcart.sg/products/138565364-ph-and-temperature-2-in-1-continuous-monitor-meter-w) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-22*