Apera Instruments, LLC-AI312 Apera Instruments Premium Series PH60F Flat pH Pocket Tester Kit for Surface pH Test e.g. Skin, Textiles, Paper, etc, ±0.01 pH Accuracy

Easy-to-install Replaceable FLAT sensor, Triple-Junction structure prevents clogging, designed for Skin, Fabrics, & Paper pH testing, also works great for regular pH measurementEasy Auto Calibration with auto buffer recognition (1 to 3 points); Auto Temperature Compensation (ATC)Unique High/Low Value HEADS-UP function, instantly reminding you of any results that need your attention with a red backlight; AUTO recognition of stable values (with optional AUTO HOLD function) improves consistencyLARGE CLEAR LCD with 3 backlit color (indicating 3 different modes), DUAL display of temp. /pH, and REMINDERS of completed calibrations and stable readingsCOMPLETE Kit with READY-TO-USE calibration buffer solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a portable carrying case