User manual HANNA INSTRUMENTS C 114

[. . . ] Instruction Manual C 114 Multiparameter Turbidity & Free and Total Chlorine This Instrument is in Compliance with the CE Directives www. hannainst. com Dear Customer, Thank you for choosing a Hanna Product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for the correct use of the instrument, as well as a precise idea of its versatility. If you need more technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] Scrolls downwards through the parameters to be measured. In calibration/diagnostic mode, decreases the blinking digit by one. If pressed together with ALT while the meter is in logging mode, the upper LCD will show the current lot number. SPECIFICATIONS C 114 Range Turbidity Free Cl Total Cl Resolution Turbidity Free Cl Total Cl Accuracy Turbidity Free Cl Total Cl Light Source Light Source Life Light Detector Power Source Battery Life Automatic Shutdown Operating Conditions Dimensions Weight 0. 00 to 50. 0 NTU* 0. 00 to 2. 50 mg/L 0. 00 to 3. 50 mg/L 0. 01 and 0. 1 NTU* 0. 01 mg/L 0. 01 mg/L ±0. 5NTU*or±5%(whichevergreater) ±0. 03 mg/L; ±3% ±0. 03 mg/L; ±3% Pure Green LED Life of the instrument Two Silicon Photocells 4 x 1. 5V AA alkaline batteries 60 hours or 1000 measurements Selectable 10, 20, 30, 40, 50 or 60 min. 0 to 50°C (32 to 122°F) 95% RH max (non-condensing) 220 x 82 x 66 mm (8. 7 x 3. 2 x 2. 6") 510 g (18 oz. ) * 1 NTU = 1 FTU OPERATIONAL GUIDE SET CURRENT TIME/DATE To set or change the current time, turn on the meter. After initialization routine, the LCD will show: Press and hold the ALT and GLP keys together. Display will show the current date in MM. DD format (e. g. August 28 is shown as 08. 28). + Release the keys. Make the necessary adjustments with the and keys. To skip to the day digits, press the key. After the adjustments, press the key. The unit will store the newly set month-day data in its EEPROM and will show the current time by a 24 hour clock HH. MM format, e. g. 2:28 pm is: Similarly, make the necessary adjustments as described above and press . Press READ. Press ALT and CAL until four dashes are displayed on the upper display and "# fn" are shown in the lower part of the LCD. The meter will show "SIP" for a few seconds and then the concentration: Using the and keys select the number from 0 to 1 where the appropriate calibration data have been stored. Add the appropriate reagent into the blank sample cuvet. Shake and allow a few seconds for color to develop. Measurements in user-customized mode Note: The meter must be calibrated for this purpose. Follow the two-point customized calibration on page 26 before proceeding. Turn the meter on and by momentarily pressing both ALT and CAL. + 16 Insert the reacted sample into the cuvet holder and make sure that the notch on the cap is 17 positioned securely into the groove. Press READ. CALIBRATION TURBIDITY CALIBRATION The meter should be properly calibrated with a standard prepared as described in USEPA method 180. 1. Span calibration To calibrate the span of the meter, fill the cuvet with the primary turbidity formazine standard of 50 NTU. Inspect and clean thoroughly the surface of the vial. Shake the standard vigorously for a few seconds and wait a few minutes for the bubbles to disappear. Turn the meter on and press both ALT and CAL momentarily. The meter will first show "SIP" for a few seconds and afterwards the sample concentration: + The LCD will show four dashes on the upper and "d 00" on the lower part of the LCD with the second "0" blinking. [. . . ] Select mode 10 and press the key repeatedly to set the desired shutdown time from 10 to 60 minutes with 10 minute increments, or disable the shutdown mode by choosing the OFF selection. + After the selection is completed, exit the diagnostic mode by pressing ALT+CAL together. 30 + DIAGNOSTIC CODES LOBAT Weak batteries. Change all batteries as soon as possible. Low level of light is received during the zeroing procedure. Check for scratches on the cuvet and ensure that sample is not excessively turbid. [. . . ]