The 826 pH mobile is a handy and very easy to operate pH meter with wireless Infrared interface for data transfer to a printer or PC. Numerous functions, e.g. input options for user and/or sample identification, three-point calibration with automatic buffer recognition and various monitoring functions make it possible to work in conformance with GLP anywhere. The measured value memory contains up to 200 measured values, including date, time and sample identification, and can be called up and/or sent to a printer or PC at any time. When 6.0228.020 Primatrode is used, the 826 pH mobile fulfils protection class IP 67, i.e. even a brief immersion in water will not harm the instrument. Power supply is provided by means of four LR6, UM3 or AA batteries; approx. 750 hours operating time is possible in normal operations.