Oakton pHTestr 50S Waterproof Pocket Tester-OAK 35634-25

Large electrode junction makes clogging virtually impossible Rugged spear tip makes it ideal for soft solids and semisolid materials Easy-to-navigate interface for quick setup and calibration Replaceable, double-junction electrode sensors save time and money Automatic temperature compensation ensures accurate reading in varying environments. Min pH: -1 Max pH: 15 pH Resolution: 0.01 pH pH Accuracy: ¬±0.01 pH Buffer Recognition: USA 4.01, 7.00, 10.01 and NIST 4.01, 6.86, 9.18 Min Temperature: (0 °C) Max Temperature: (60 °C) 0Min Temperature: (32 °F) Max Temperature: (140 °F) Temperature Resolution: 0.1 degree Temperature Accuracy: ¬±0.5 C, ¬±0.9 F Automatic Temperature Compensation Battery: 4 AAAs Battery life: 250 hrs