pH 315i, pH 330i, pH 340i Robust, Waterproof ( IP 67) , Large silicone keys WTW handheld pH meters are optimized for on-site use and field use, but can also be used in the laboratory. In particular....
8682 / 8681 / 8680 AT A GLANCE LOWEST COST pH PEN ! DUAL DISPLAY TEMP. & pH WITH ATC ! ONE TOUCH FOR AUTO-CALIBRATION ! WATERPROOF HOUSING MEETS IP67 RATING ! AUTOMATIC BUFFER RECOGNITION TO AVOID....