User manual EUTECH INSTRUMENTS WATERPROOF TDSCAN 4 CONDUCTIVITY TESTER

[. . . ] 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. [. . . ] 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. 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. 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. [. . . ] · 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. [. . . ]