PHscan30L Overview Thank you for selecting the PHscan series pocket pH tester. This manual provides a step-by-step guide to help you operate the instrument, please carefully read the following instructions before use. Installing the Batteries Twist the electrode collar counter clockwise, pull the electrode away from the tester.
PHscan30L Switching the Tester On and Off Press and hold the Meas key for about 5 seconds to switch on the tester. • • Press and hold the Meas key to switch off the tester. • To enable the auto-power off function, refer to the Setup Menu section.
PHscan30L pH Calibration The PHscan30 tester allows up to 3 points pH calibration, we recommend that you perform at least 2 point calibration for accurate measurement, the tester will automatically recognize and calibrate to following standard buffer values. USA standard buffers pH 4.01, 7.00, 10.01...
PHscan30L 3 Points Calibration Make sure that you have selected 3 points calibration in the setup menu. Repeat steps 1.1 through 1.3 above. When the first calibration point is completed, the display will show "pH 4.01/CAL 2", the tester prompts you to continue with second point calibration.
PHscan30L Electrode Maintenance • Since pH electrode is susceptible to contamination, thoroughly clean with deionized water as necessary after each use. • If your samples contain the oil or grease, soak the electrode in mild detergent or electrode cleaning solution for at least 15 minutes.
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