User manual EUTECH INSTRUMENTS WATERPROOF PHSCAN 33+ PH TESTER

[. . . ] When you need a new electrode, see "Electrode Replacement" on insert in back of box. Changing Batteries 1. 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. [. . . ] Wait for about 2 minutes when the reading has stabilized, press the HOLD/CON. A dry electrode will give fluctuating readings while it re-hydrates in a buffer, causing error. pH Testing 1. Remove cap from the electrode and press the ON/OFF button to switch tester on. If you do not press a button for 8. 5 minutes the tester will automatically shut off to conserve batteries. Reset To Factory Default You can reset calibration data to factory default settings. This is extremely useful when you want to take a new set of pH measurements or when using a new replacement electrode. The display will flash "YES" for 2 seconds and the tester will go back to measurement mode. 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. 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. Remove cap from the electrode and press the ON/OFF button to switch tester on. [. . . ] The display will show either "USA" or "NST". 68X247747 11/00 Rev 0 (Picture A) Twist-off Battery Compartment REMOVE THE OLD ELECTRODE A Temperature Display (Picture B) Replaceable Sensor · · · · All push-button calibration Displays measured units for clarity Fast, stable, repeatable readings Available through authorized distributors REPLACE THE ELECTRODE B SPECIFICATIONS Tester pH Range Resolution Accuracy Calibration Buffer option Calibration points Temperature Range Resolution Accuracy ATC Operating Temp Special Functions pHScan 3 pHScan 3+ 0. 00 to 15. 00 pH 0. 01 pH ±0. 02 pH USA (pH 4. 01, 7. 00, 10. 01) or NIST (pH 4. 01, 6. 86, 9. 18) Up to 3 points (USA or NIST) 0. 0 to 50. 0 °C 0. 1 °C ±1. 0 °C Electrode Replacement You can replace the electrode module at the fraction of the cost of a new tester. When the tester fails to calibrate, gives fluctuating readings in buffers, shows error messages `Er1', `Or' or `Ur' in a buf fer, and the procedures in the Maintenance section do not help, you need to change the electrode. With dry hands, grip the ribbed tester collar with electrode facing you. Align the four tabs on the new module so that they match the four slots on the tester (see picture B). [. . . ]