Highlight: Scroll memory, automatic switch-off, real-time-clock and date, calibration mode indicator, backlit display, a storage function, one time zero (OTZ), and waterproof.
PM 600&620 photometer
Highlight: Two units – 13 or 34 parameters, hand-held and portable for ease-of-use, fully waterproof (IP68)* for any time, anyplace analysis, and the robust casing for guaranteed longevity.
