Features: - Microprocessor based with splash proof housing. - Large LCD built into adjustable "flip-up" cover. Simultaneous display pH and Temperature. - Rugged design for handheld or bench top use, neckstrap for "hands-free" operation. - Automatic or manual temperature compensation. °C/°F switchable - Simple to calibrate by one keyboard for 5 points buffer, calibration value can be adjusted as needed. - Memory stores and recalls up to 20 points. Min/Max storage and recall. (PP-206 only) - Indicate percentage of slope (PTS) after calibration. - Low battery and consumption indicator. - Auto shut off after 10 minutes of non use.