testo 240: Conductivity and Temperature Measurement in a Single Device
The testo 240 is a physical-chemical measuring device that combines two essential functions: measuring the electrical conductivity of solutions and measuring temperature. This combination makes it an indispensable tool in environments where precision and reliability are crucial, such as medical, pharmaceutical and biological laboratories. As conductivity is directly related to ionic concentration, monitoring it allows you to assess the purity of water, the quality of prepared solutions and to monitor various medical or scientific processes. With a single measuring cell covering a wide range of values, the device greatly simplifies analysis protocols and avoids the need for multiple specialised devices.
Accuracy and Reliability for Medical and Scientific Analysis
One of the main strengths of the testo 240 is its 4-electrode technology, which ensures high stability and prevents deposits or contamination on the electrodes from distorting the results. This feature is particularly important in complex samples such as wastewater, biological fluids or saline solutions used in medical environments. The device features automatic temperature compensation in accordance with DIN 38404, ensuring consistent accuracy even when the ambient or sample temperature varies. It can also determine the salt (NaCl) content in solutions, a parameter commonly measured in the medical, food and environmental sectors. By combining conductivity and temperature, the testo 240 offers healthcare professionals and laboratory technicians a reliable instrument that meets regulatory and scientific requirements.
A Robust and Versatile Device for Medical Laboratories
Beyond its accuracy, the testo 240 is designed for everyday use in laboratories. Its ABS housing is splash-proof (IP54), ensuring durability even in demanding environments. Its large, two-line LCD display allows clear, simultaneous reading of conductivity and temperature data. The device is compatible with several types of probes: immersion, penetration, surface, food and glass laboratory probes. This flexibility makes it particularly suitable for various medical protocols and research applications. Lightweight (170 g with batteries) and with a battery life of approximately 60 hours, it can be easily transported and used during quality control or process monitoring campaigns. Whether for preparing solutions, monitoring water in hospitals or performing physical and chemical analyses in biology, the testo 240 is an indispensable tool that combines efficiency, reliability and ease of use.
