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Manual abstract: user guide HANNA INSTRUMENTS C 124
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction Manual
C 124
Portable Logging Haze Meter
www. hannainst. com
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Dear Customer, Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the meter. This manual will provide all necessary information for a correct use. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com or contact your nearest technical office. [. . . ] · Wipe the cuvette thoroughly with a lint-free tissue (HI731318) before inserting into the measurement cell. The cuvette must be completely free of fingerprints and other oil or dirt, particularly in the area where the light goes through (approximately the bottom 2 cm/1 inch of the cuvette). · Place the cuvette into the cell and check that the notch on the cap is positioned securely into the groove. · The mark on the cuvette cap should point towards the LCD.
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· Press the READ key and the LCD will display a blinking "SIP" (Sampling In Progress). The measured value will appear after approximately 25 seconds.
SOURCES OF INTERFERENCE · Presence of floating debris and coarse sediment which settle out rapidly will give false readings. · The infrared light source used for C124 Haze meter can effectively minimize errors due to coloured dissolved substances. This effect, named "true colour", is a common interference for most commercially available instruments operating in the range of visible light. · Air bubbles and the effect of vibrations that disturb the surface of the sample will give false results. · Dirty glassware could also affect readings along with scratched or edged cuvette. LOG-ON-DEMAND · The meter can store up to 199 measurements in the internal memory. Press the STO key: the last measured value will be stored and the display will show the reference number of the stored sample.
· When the maximum number of samples (199) is reached, the LCD will display the "FULL" message to warn the user that next value will overwrite the oldest sample recorded. All samples will be shifted (reference number reduced by one) and the ref. number one will continue to indicate the oldest value. To confirm storing of the current sample, press the STO button again. CLEARING LOGGED DATA · For clearing all data stored in memory, press ALT+CLR keys: the meter will ask for confirmation by displaying the "CLr" message. Press ALT+CLR again to clear memory or any button to abort the operation. 8
VIEWING LOGGED DATA · Press ALT+VIEW keys: the last sample will be displayed. · Press the "right arrow" key to scroll among turbidity value, date and time of the sample. · Press the "up/down arrow" keys to view next sample and use the "right arrow" to scroll the date and time. · Press ALT+VIEW again to exit and return to measurement mode. VIEWING AND SETTING DATE AND TIME VIEWING: · Press ALT+DATE to toggle between date and time. SETTING: · Press and hold ALT+DATE for 3-4 seconds. [. . . ] Battery replacement must only take place in a non hazardous area using 4 alkaline batteries, 1. 5V AA size. Turn the meter off, unscrew the 2 screws on the back of the instrument and remove the battery cover. Substitute the rundown batteries with new ones, while paying attention to their polarity. Reattach the battery cover and tighten the 2 screws.
ACCESSORIES
C124-0 C124-1 C124-2 C124-03 HI 731318 HI 731321 HI 92000 HI 920011 HI93703-50 Calibration solution, 0 EBC, 30 mL bottle Calibration solution, 2. 5 EBC, 30 mL bottle Calibration solution, 125 EBC, 30 mL bottle EBC Haze calibration set (C124-0, C124-1, C124-2) Tissue for wiping cuvettes (4 pcs) Spare measurement cuvettes (4 pcs) Windows® compatible application software 5 to 9-pin RS232 connection cable Cleaning solution, 230 mL bottle 14
CE DECLARATION OF CONFORMITY
Recommendations for Users
Before using this product, make sure that it is entirely suitable for the environment in which it is used. [. . . ]
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