The pH 3110 is the right choice for all who are looking for a simple meter for portable pH measurements. Waterproof housing (protection class IP 67). With large display for excellent readability even under bad lighting conditions. Completely silicone sealed 6-button keypad with response of real buttons. Up to 2500 h continuous operation with one battery set. Automatic AutoRead function for reproduceable measuring results. With built-in calibration timer for always correct measurement. Items supplied in set: Pocket pH meter pH 3110, pH sensor SenTix®, stand, beaker, short instruction manual, buffer STP 4 and STP 7, CD-ROM, batteries in field case. The pH 3110 is the right choice for all who are looking for a simple meter for portable pH measurements. Waterproof housing (protection class IP 67). With large display for excellent readability even under bad lighting conditions. Completely silicone sealed 6-button keypad with response of real buttons. Up to 2500 h continuous operation with one battery set. Automatic AutoRead function for reproduceable measuring results. With built-in calibration timer for always correct measurement. Items supplied in set: Pocket pH meter pH 3110, pH sensor SenTix®, stand, beaker, short instruction manual, buffer STP 4 and STP 7, CD-ROM, batteries in field case.