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Instruction Manual
HI 93124
Portable Logging
Haze Meter
www.hannainst.com
1
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Dear Customer, WARRANTY Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the meter. All Hanna Instruments meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained This manual will provide all necessary information for a correct use. according to instructions. If you need additional technical information, do not hesitate to e-mail us at This warranty is limited to repair or
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PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION HI 93124 has been designed to perform turbidity measurements according to the EBC (European Brewery Convention) Standard. The instrument functions by passing a beam of infrared light through a cuvette containing the sample being measured. The light source is a High Emission Infrared LED with a wavelength peaking at 890 nm, ensuring that the interference caused by colored samples is minimum. A sensor, positioned at 90° with respect to the direction of
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SPECIFICATIONS OPERATIONAL GUIDE The instrument is supplied complete with batteries. Before starting operations, install the batteries while paying attention to their polarity (see also “Battery Replacement” Range 0 to 10.00 EBC section). To maximize the battery life the meter automatically switches off after 5 10 to 250 EBC minutes of non-use. For reactivating it, simply press the ON/OFF key. Resolution 0.01 EBC or 1 EBC TAKING MEASUREMENTS Accuracy ±0.20 EBC ±3% of reading
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• Press the READ key and the LCD will display a blinking “SIP” (Sampling In VIEWING LOGGED DATA Progress). The measured value will appear after approximately 25 seconds. • 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. SOURCES OF INTERFERENCE • Press ALT+VIEW again to exit and return to mea
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• After approximately 30 seconds, the meter will CALIBRATION display “125”, asking for the 125 EBC solution to be placed in the cuvette holder. Note: At this point the user can exit the calibration mode and save the two-point If repeated measurements differ more than an acceptable value, check if the meter calibration by pressing ALT+CAL keys. calibration status by measuring a standard solution. Anyway, it is recommended to perform a monthly calibration of the meter, or more • To perform a three
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TIPS FOR ACCURATE OPERATION LCD ERROR CODES The instructions listed below should be carefully followed during testing and during Every time the meter is switched on, the RTC (Real Time Clock) and the internal calibration. memory (EEPROM) are tested. • All glassware that comes into contact with standards should be maintained If an error occurs, the corresponding error code will be displayed. clean. Wash with HI93703-50 cleaning solution and rinse with HI 93124-0 Here below are listed the error co
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BATTERY REPLACEMENT CE DECLARATION OF CONFORMITY In order to minimize the battery consumption, the meter is equipped with an auto- shut off function which switches the meter off after 5 minutes of non-use. The meter is powered by 4 alkaline batteries (1.5V AA), which are constantly monitored by the meter to ensure reliable readings. A "LO BAT" indication will appear on the display when the batteries become weak and require replacement; the instrument can perform only 50 more measurements. A "0%
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SALES AND TECHNICAL SERVICE CONTACTS Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel. & Fax (02) 2758.683 Germany: Tel. (07851) 9129-0 • Fax (07851) 9129-99 Greece: Tel. (210) 823.5192 • Fax (210) 884.0210 Indonesia: Tel. (21) 4584.2941 • Fax (21) 4584.2942 Japan: Tel. (03) 3258.9565 • Fax (03) 3258.9567 Korea: Tel. (02) 2278.5147 • Fax (02) 2264.1729 Malaysia: Tel. (603) 5638.9940 • Fax (603) 5638.9829 Singapore: Tel. 6296.7118 • Fax
