Measurement range	0.00 to 14.00 pH -1999 to 0 to 1999 mV (only with the optional Redox electrode) 0 - 65°C or 32 - 149°F (only the temperature sensor)
Resolution	0.01 pH 1 mV 0.1°C / 0.18ºF
Accuracy (at 20°C / 68ºF)	± (0.02 pH + 2 digits) ± (0.5 % + 2 digits) ±0.5°C / 0.9ºF
Calibration	Automatic three-point calibration
Temperature compensation	Automatic from 0 to 65°C / 32 - 149ºF or manual between 0 and 100°C / 32 and 212ºF, Removing the temperature sensor
Electrode	pH PCE-PH-HTE electrode, 1 meter cable and BNC plug Temperature range: 0 - 60ºC / 32 - 140ºF
Measurement rate	Adjustable from 1 second up to 8 hours 59 min 59 sec
Display	LCD display: 52 x 38 mm / 2 x 1.5 in
Memory	SD card from 1 - 16 GB (2 GB memory card included)
Interface	RS-232
Software	Optional
Power supply	6 x 1.5V AA batteries /Mains adapter / AC power adapter 9V (optional)
Operating conditions	0 - 50°C / 32 - 155°F, max. 80% r.h.
Dimensions	177 x 68 x 45 mm / 7 x 2.7 x 1.8 in
Weight	490 g / 1.1 lb

 

The portable pH meter is an advanced instrument used for measuring pH, Redox potential (with optional electrode), and temperature in liquids. Its versatility makes it essential in many scientific and industrial fields such as water treatment, agriculture, food production, and research laboratories. Measuring pH is crucial to determining the acidity or alkalinity of a solution, a vital variable in numerous chemical and biological processes. The Redox potential provides information on a substance's ability to oxidize or reduce, an important parameter in industrial and environmental processes.

 

The PCE-228HTE pH meter is intuitive and practical, suitable for both professionals and technicians. It measures pH and temperature with high accuracy, storing the data on an SD memory card, with the option to export it into Excel for further analysis. This recording function allows for easy monitoring over time, which is crucial for process optimization and scientific research.

 

A key feature of the pH meter is its ability to measure temperature via a stainless steel temperature probe, which ensures automatic temperature compensation for stable and accurate readings. Thanks to its automatic three-point calibration, the device remains highly reliable. These features make it particularly useful in environments where precision is essential, such as the pharmaceutical industry, water treatment plants, and food quality control.

 

The pH meter also offers an RS-232 interface for transferring data to a PC, enabling real-time analysis or long-term storage for detailed documentation. This makes it ideal for those requiring traceability and in-depth analysis, such as in research studies or industrial controls. The optional software, together with the RS-232 data cable, facilitates integration with more complex monitoring systems, offering a complete solution for managing environmental data.

 

The robustness and portability of the pH meter, thanks to its rechargeable battery, make it usable in various contexts, even in difficult and demanding environments. The high-temperature pH probe ensures high performance even in extreme conditions where other instruments might fail. This is particularly important for industrial or chemical laboratory use, where precise control of chemical and physical conditions is essential for safety and process efficiency.

 

In conclusion, the portable pH meter is an essential tool for anyone needing to accurately monitor critical parameters such as pH and temperature in liquid solutions. With its ability to store and export data, automatic temperature compensation, and precise calibration, this device represents an ideal solution for environments requiring high accuracy and ease of use. The pH meter is especially recommended for applications in industrial, scientific, and agricultural fields, where constant and reliable monitoring of environmental variables is critical for process success.