Portable Waterproof pH Meters

Heavy-duty waterproof meter floats in water and is easily retrievable. Large, easy-to-read LCD shows pH or mV, and temperature simultaneously. Graphic symbols assist user during selectable 1 or 2 point calibration. Calibration and buffer recognition are automatic with 5 standard buffers. Temperature compensation is automatic from -20 to 120°C or manual with the probe detached. Automatic shut-off after 10 minutes being idle, or manually override the auto switch-off. Memory function stores and retrieves last reading for comparison. Low battery warning. Supplied with a double-junction gel-filled pH electrode, stainless steel temperature probe with 1 m cable, pH 4 and 7 buffer solutions (20 ml), 100 ml plastic beaker, 4 AAA batteries, instruction manual and carrying case. Dimensions (pH meter): 19.2 x 7.2 x 3.6 cm.