Dear customers, our handy pocket tester analysis case protects your handheld tester safely and also offers you space for the required calibration and buffer solutions. The 25ml sachet or 70ml bottle solutions matching the tester can be accommodated in the foam blank. Your analysis case consists of the following components: 1x pocket tester  1x pH 4.01 buffer solution (25ml bag or 70ml bottle) 1x pH 7.00 buffer solution (25ml bag or 70ml bottle) 1x storage solution (25ml bag or 70ml bottle) 2x batteries 1x lanyard for the pocket tester 1x pack of tissues  You can also purchase the case separately to safely store your existing testers and always have the appropriate calibration and buffer solutions on site in the case. IP protection class: IP67 

With a measurement resolution of 0.01 pH, this waterproof handheld device delivers accurate results even under demanding conditions. It is equipped with a replaceable electrode, a temperature sensor and open measuring chambers, making it extremely versatile. The wide, three-colour LCD display clearly shows the calibration buffers used and the stability of the measurement. Calibration is easy with the push of a button at three points with five selectable US buffer values. In addition, the status of the pH electrode can be checked via the mV display. The device also features a temperature display, automatic temperature compensation in the range of 0–60 °C and an automatic shut-off function – for greater convenience and longer battery life.  IP protection class: IP67 With replaceable probe  Manufacturer item number: 50014063