---
product_id: 325748308
title: "Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory"
brand: "gain express"
price: "฿6003"
currency: THB
in_stock: true
reviews_count: 13
url: https://www.desertcart.co.th/products/325748308-digital-combo-ph-and-temperature-meter-aquarium-thermometer-ph-monitor
store_origin: TH
region: Thailand
---

# 3-point auto calibration 3-month battery life Automatic Temperature Compensation Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory

**Brand:** gain express
**Price:** ฿6003
**Availability:** ✅ In Stock

## Summary

> 🌊 Stay ahead of the curve with precision pH & temp monitoring—because your ecosystem deserves the best!

## Quick Answers

- **What is this?** 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?** ฿6003 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/325748308-digital-combo-ph-and-temperature-meter-aquarium-thermometer-ph-monitor)

## 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

- • **Versatile & Durable:** Separate probe design with nylon casing, perfect for aquariums, hydroponics, aquaculture, and lab environments.
- • **Energy-Efficient Design:** Power-saving mode extends battery life up to 3 months on just 4 AA batteries—less hassle, more uptime.
- • **Smart Screen Visibility:** Large LCD with smart backlight lets you monitor pH and temperature effortlessly—even in low light.
- • **Precision at Your Fingertips:** Up to 3-point pH calibration with automatic buffer recognition ensures lab-grade accuracy every time.
- • **Temperature-Adjusted Readings:** Built-in ATC technology compensates for temperature fluctuations, delivering reliable data for your aquatic or hydroponic setup.

## Overview

This Digital Combo pH & Temperature Meter offers highly accurate, 3-point automatic calibration and temperature compensation for precise aquatic and hydroponic monitoring. Featuring a large backlit LCD, low battery indicator, and energy-saving mode, it ensures reliable readings with minimal maintenance. Powered by 4 AA batteries, it delivers up to 3 months of continuous use, making it an essential tool for professionals managing fish tanks, labs, or hydroponic systems.

## Description

Digital Combo pH & Temperature Meter, Aquarium Thermometer pH Monitor with Automatic Calibration Function for Fish Tank Hydroponics Aquaculture Laboratory : desertcart.co.uk: Pet Supplies

Review: Working pH probe - Product came in a sealed box with a working pH probe
Review: Accurate reading. - When I first started using the meter every time I took a reading I had to calibrate the probes each time I used it, now I keep the probe in the aquarium on a permanent basis it saves a small fortune on buying calibration powder and distilled water, also gives a more accurate reading than the coloured chart type of tests.

## 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 |
|---------------|-------|
| ASIN | B08RYJ48X8 |
| Batteries | 4 AA batteries required. |
| Batteries Required? | Yes |
| Batteries included? | No |
| Best Sellers Rank | 48,392 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 99 in Lab pH Meters |
| Colour | pH&Temp Monitor(Upgraded) |
| Customer Reviews | 4.0 4.0 out of 5 stars (720) |
| Date First Available | 4 Jan. 2021 |
| Display style | LCD |
| Included components | Battery |
| Item Package Quantity | 1 |
| Item Weight | 390 g |
| Item model number | PHM-295 |
| Manufacturer | Gain Express Holdings Ltd |
| Material | Nylon |
| Package Dimensions | 17.6 x 14.7 x 5.9 cm; 390 g |
| Part number | PHM-295 |
| Power source type | Battery Powered |
| Special Features | High Accuracy, Low Battery Indicator |
| Specification met | View Manual |
| Style | Contemporary |

## Product Details

- **Brand:** GAIN EXPRESS
- **Manufacturer:** Gain Express Holdings Ltd
- **UPC:** 600316551403 713072686217

## Images

![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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Working pH probe
*by L***O on 19 February 2025*

Product came in a sealed box with a working pH probe

### ⭐⭐⭐⭐⭐ Accurate reading.
*by W***N on 14 November 2023*

When I first started using the meter every time I took a reading I had to calibrate the probes each time I used it, now I keep the probe in the aquarium on a permanent basis it saves a small fortune on buying calibration powder and distilled water, also gives a more accurate reading than the coloured chart type of tests.

### ⭐ Dodgey
*by A***R on 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.

## 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

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**Shop now:** [https://www.desertcart.co.th/products/325748308-digital-combo-ph-and-temperature-meter-aquarium-thermometer-ph-monitor](https://www.desertcart.co.th/products/325748308-digital-combo-ph-and-temperature-meter-aquarium-thermometer-ph-monitor)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-09*