pH Meters Use Faster Silicon Chip Technology
Eliminate breakage with these IQ Pocket-Sized pH Meters that use fast-response silicon chip pH sensors instead of glass. Sensors give stable readings in seconds, store dry and need no maintenance. Measures samples as small as one drop. Full-featured and waterproof with auto-temperature compensation, auto-buffer recognition and replaceable Reference Electrode (No. 57337). Runs for more than 200 hours on two 1.4V watch batteries (included). Measures 5-1⁄2"L. Choose from One-Point (No. 57335) or Three-Point Calibration (No. 57336). Optional Belt Holster (No. 57338) and Calibration Sets (Nos. 57339 and 57340) also available.