Waterproof and dust-proof Ergonomic design for comfortable handling Simple, user-friendly menu Automatic or manual temperature compensation Automatically or manually end a measurement; with acoustic and visual endpoint signal Automatic calibration with four predefined buffer groups Displays the current calibration and has data memory for 200 measurements Portable pH meters FiveGo™ F2 Standard For aqueous samples, including emulsions and suspensions. LE438-IP 67 pH single-rod measuring cell with integrated temperature gauge. pH range: 0 to 14. Operating temperature: 0 to +80 °C. Protection rating: IP 67. Nylon diaphragms, gel-electrolyte, plastic shaft. Shaft length/Ø: 120/12 mm. Delivery incl. LE438-IP 67 pH single-rod measuring cell, buffer solutions (pH 4.01, 7.00 and 9.21), electrode clip, carrying strap and batteries.