User manual EUTECH INSTRUMENTS WATERPROOF TDSCAN 4 CONDUCTIVITY TESTER

[. . . ] Note polarity keypad (shown in battery) compartment and in picture at right). Recalibrate tester after battery change. Error Messages: bAT Weak batteries ­ replace Er1 Wrong or bad buffer value, or electrode is failing. Or, Ur Over range / under range signal, or electrode is failing. Warranty: The waterproof pHScan BNC is warranted against defects in materials and workmanship for a period of 24 months from the date of purchase. [. . . ] If repair, adjustment or replacement is necessary and has not been the result of abuse or misuse within the warranty period, please return the tester ­ freight pre-paid ­ 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 your 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. Microprocessor based pH Tester that floats! 68X247780 11/01 Rev 0 Waterproof pHScan BNC Microprocessor-based Pocket pH Tester Connecting your electrode: To connect the tester to your electrode, align the posts of the tester's BNC connector with the slots on the electrode connector. Push together and twist the electrode connector 1/2 turn until it clicks into place. Buffer Set selections: To choose USA (pH 4. 01, 7. 00, 10. 01) or NIST (pH 4. 01, 6. 86, 9. 18) buffers: 1. With tester off, hold HOLD/CON key while pressing ON/OFF key. A dry electrode will give fluctuating reading while it re-hydrates in a buffer, causing errors. pH Testing: 1. Remove cap or storage bottle from the electrode and press the ON/OFF button to switch tester on. Dip the electrode about 2 cm into the test solution. Stir once and let the reading stabilize. Note the pH or press HOLD/CON button to freeze the reading. Press HOLD/CON again to release the reading. If you do not press a button for 8. 5 minutes the tester will automatically shut off to conserve batteries. Instrument Maintenance: · Rinse the electrode with tap water or electrode storage solution after each measurement. [. . . ] If you do not press a button for 8. 5 minutes the tester will automatically shut off to conserve batteries. Instrument Maintenance: · Rinse the electrode with tap water or electrode storage solution after each measurement. · Periodic soaks in warm pH 4 buffer will help remove contaminants. · When finished using electrode, fill electrode cap with tap water or electrode storage solution and replace cap. Choose cabled or direct connect electrodes Lanyard connection Twist-off battery compartment · All push button operation · Displays measured units for clarity · Fast, stable, repeatable readings · Available through authorized distributors Specifications Range Resolution Accuracy Calibration WP pHScan BNC 0. 00 to 14. 99 pH 0. 01 pH ±0. 02 pH up to 3 points (pH 4. 01; 7. 00; 10. 01 or 4. 01; 6. 86; 9. 18) Operating temperature: 32 to 122 °F/0 to 50 °C Special Functions: On/Off, HOLD; CA (Calibration); CO (Confirm display); Autobuffer recognition; auto-shutoff after 8. 5 min. [. . . ]