User manual EUTECH INSTRUMENTS WATERPROOF PHSCAN 33+ PH TESTER

[. . . ] Out of warranty products will be repaired on a charge basis. + Diagram 1 · Waterproof & Floats · Replaceable Double Junction Electrode · NIST or USA Buffer Selection Return Of Items Authorization must be obtained from Eutech's distributor before returning items for any reason. When applying for authorization, please include information regarding the reason the item(s) are to be returned. Note: We reserve the right to make improvements in design, construction and appearance of products without notice. Prices are subject to change without notice. WP pHScan 3 Instructions Before You Begin Remove electrode cap. [. . . ] The display will flash "YES" for 2 seconds and the tester will go back to measurement mode. To exit without confirmation, press CAL key. The display will flash "NO" for 2 seconds and the tester will go back to measurement mode. 68X247746 11/00 Rev 0 Open this leaflet for calibration/testing/maintenance instructions. Electrode Maintenance · Rinse the electrode with tap water or electrode storage solution after each measurement. · Periodic soaks in warm pH 4. 01 buffer will help remove contaminants. · If possible, keep a small piece of paper or sponge in the electrode cap ­ moistened with clean water or electrode storage solution (NOT deionized water) and close the cap over the electrode. When you need a new electrode, see "Electrode Replacement" on insert in back of box. Changing Batteries 1. Open battery compartment lid(with attached lanyard loop). Remove old batteries; replace with fresh Diagram 1 ones. Note polarity (shown in Diagram 1) Self-Diagnostic Messages bAt Weak batteries ­ replace with fresh ones specified by manufacturer. Er1 Wrong or bad buffer value, or electrode is not in contact with solution, or electrode is failing. Or, Ur Over range / under range signal, or electrode is not in contact with solution, or electrode is failing. Warranty Eutech Instruments warrants its meter free from manufacturing defects for 2 years and electrode module for 6 months. If repair, adjustment or replacement is necessary and has not been the result of abuse or misuse within the time period, please return the tester ­ freight prepaid ­ and correction will be made without charge. Out of warranty products will be repaired on a charge basis. + Return Of Items Authorization must be obtained from Eutech's distributor before returning items for any reason. When applying for authorization, please include information regarding the reason the item(s) are to be returned. Note: We reserve the right to make improvements in design, construction and appearance of products without notice. Prices are subject to change without notice. · Waterproof & F loats · Replaceable Double Junction Electrode · Temperature Display · NIST or USA Buffer Selection WP pHScan 3+ Instructions Before You Begin Remove electrode cap. To condition electrode, immerse electrode in electrode solution, buffer or tap water for at least 30 minutes. Press CAL key to toggle between USA and NIST buffer sets. Press HOLD/CON key to confirm. pH Testing 1. Remove cap from the electrode and press the ON/OFF button to switch tester on. Dip the electrode about 2 to 3 cm into the test solution. Stir once and let the reading stabilize. [. . . ] With dry hands, grip the ribbed tester collar with electrode facing you. Twist the collar counter clockwise (see picture A). Save the ribbed tester collar and O-ring for later use. Pull the old electrode module away from the tester. [. . . ]