Jenway makes a wide range of scientific instruments including UV/Vis spectrophotometers, flame photometers, colorimeters, portable and laboratory meters for measurement of pH and conductivity Formed in June 1973, Jenway was originally created to design and manufacture a range of electronic thermometers and probes, before growing into the brand it is today. There are many diverse applications for Jenway products. These include industry areas such as food manufacturing, medical, pharmaceutical, agricultural, water-related and educational markets.