Description
Product Overview
The Gain Express pH meter is a high-precision 2-in-1 device designed for measuring pH levels and temperature in solutions. It features separated pH and temperature electrodes, ensuring accurate readings across a wide range of applications. With automatic temperature compensation (ATC), it adjusts pH values based on temperature changes, providing reliable data in environments from 0 to 60°C. The product dimensions are 2.17 x 0.01 x 0.01 inches, weighing 15.52 ounces, and it requires 4 A batteries for operation. Model number PHM-245 includes a BNC type replaceable pH electrode with a protective cap, along with calibration powders (pH 4.01, 6.86, 9.18) for easy setup and maintenance.

Usage
This pH meter is ideal for laboratory settings, agricultural monitoring, and industrial processes where precise pH and temperature control is essential. It is commonly used by scientists, farmers, and quality control professionals to test water quality, soil conditions, and chemical solutions. The backlit dual display allows for clear visibility in low-light environments, making it suitable for fieldwork and indoor labs. Target audiences include researchers, educators, and technicians who require dependable, portable measurement tools for everyday tasks.
Why Choose Us
Gain Express Holdings Ltd ensures high-quality craftsmanship with a focus on accuracy and durability. The pH meter’s automatic temperature compensation and easy calibration reduce user error, while the replaceable electrode extends the product’s lifespan. With a 4.0-star rating from 272 customer reviews, it stands out for its reliability in competitive markets, offering professional-grade performance at an accessible price point.
Key Features
- Accurate pH and temperature measurement with separated electrodes for precise results
- Automatic temperature compensation (ATC) adjusts pH readings based on temperature changes
- Convenient dual display with backlight for easy viewing in any lighting
- Simple 1-point manual calibration and replaceable BNC pH electrode for maintenance
- Comprehensive kit includes calibration powders for various pH levels and applications
FAQ
What batteries does this pH meter require?
It operates on 4 A batteries, which are not included with the product.
How do I calibrate the pH meter?
Use the included pH calibration powders (4.01, 6.86, 9.18) for a 1-point manual calibration to ensure accuracy.
Can I replace the pH electrode?
Yes, the BNC type pH electrode is replaceable and comes with a protective cap for easy maintenance.
What is the temperature range for accurate measurements?
The automatic temperature compensation works effectively from 0 to 60°C, providing reliable pH readings.
Is this product suitable for outdoor use?
Yes, the durable design and backlit display make it appropriate for fieldwork in agriculture and environmental testing.




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