User manual HANNA INSTRUMENTS CHECKTEMP 3

[. . . ] Please check the preparation of the zero cuvette. Light Low: There is not enough light to perform a measurement. Please check the preparation of the zero cuvette. No Light: The instrument cannot adjust the light level. [. . . ] 4· Place the cuvette into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove. 5· Press ZERO/CFM and the lamp, cuvette and detector icons will appear on the display, depending on the measurement phase. 6· After a few seconds the display will show "-0. 0-". The meter is now zeroed and ready for measurement. 7· Add the content of one packet of HI 93728-0 reagent. 8· Replace the cap and immediately shake vigorously for exactly 10 seconds by moving the cuvette up and down. Continue to mix by inverting the cuvette gently and slowly for 50 seconds, while taking care not to induce air bubbles. A deposit could remain but it dose not affect the measurement. Time and way of shaking could sensitively affect the measurement. 9· Replace the cuvette into the holder and ensure that the notch on the cap is positioned securely into the groove. 10·Press and hold READ/ /TIMER for three seconds and the display will show the countdown prior to measurement or alternatively wait for 4 minutes and 30 seconds and press READ/ /TIMER. 2 Factory Calibration Restore Accessories: REAGENT SETS HI 93728-01 Reagents for 100 tests HI 93728-03 Reagents for 300 tests OTHER ACCESSORIES CHECKTEMP 3-11 CAL CHECKTM Standard Cuvettes (1 set) HI 721310 9V battery (10 pcs) HI 731318 Cloth for wiping cuvettes (4 pcs) HI 731331 Glass cuvettes (4 pcs) HI 731335 Caps for cuvettes (4 pcs) HI 93703-50 Cuvette cleaning solution (230 mL). CALIBRATION Note: It is possible to interrupt the calibration procedure at any time by pressing CAL CHECK or ON/OFF keys. 1· Turn the meter on by pressing ON/OFF. 2· When the beeper sounds briefly and the LCD displays dashes, the meter is ready. 3· Press and hold CAL CHECK for three seconds to enter calibration mode. The display will show "CAL" during calibration procedure. The blinking "ZERO" asks for instrument zeroing. 4· Place the CAL CHECKTM Standard CHECKTEMP 3-11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove. 4 3 or 2· Press READ/ /TIMER to enter in the factory calibration restore screen. The instrument asks for confirmation of user calibration delete. 3-4 3· Press ZERO/CFM to restore the factory 3-4 calibration or press GLP/ again to abort factory calibration restore. Warranty CHECKTEMP 3 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions. This warranty is limited to repair or replacement free of charge. [. . . ] The instrument displays a battery indicator with three levels as follows: · 3 lines for 100 % capacity · 2 lines for 66 % capacity · 1 line for 33 % capacity · Battery icon blinking if the capacity is under 10 %. If the battery is empty and accurate measurements can't be taken any more, the instrument shows "dEAd bAtt" and turns off. To restart the instrument, the battery must be replaced with a fresh one. To replace the instrument's battery, follow the steps: · Turn the instrument off by pressing ON/OFF. [. . . ]