Hanna Instruments Weather Radio HI 93124 User's Manual
Contents
1. Calibration error check calibration standard NEC k m U solution e Real Time Clock error r is EEPROM error ae COTTA r Internal communication error Err Internal Bus error Eri Contact the nearest Hanna Instruments Customer Service Department 13 BATTERY REPLACEMENT 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 sen more measurements A 0 LO BAT message will appearonthe display gt when the batteries level is too low for performing 0 measurements the message appears for a few ior seconds then the meter automatically shuts off i immediately replace the batteries 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 HI 93124 0 Calibration solution 0 EBC 30 mL bottle HI 93124 1 Calibration solution 2 5 EBC 302. debris and coarse sediment which settle out rapidly will give false readings The infrared light source used for HI 93124 Haze meter can effectively minimize errors due to coloured dissolved substances This effect named true colour isa 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 69 i SEIT A p zz n m Y 7 ke J ma n Su 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 E re r All sampleswill 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 e For clearing all data stored in memory press ALT CLR keys the meter will ask for confirmation by displaying the CLr message r Press ALT CLR again to clear memory or any button to abort
3. during testing and during calibration All glassware that comes into contact with standards should be maintained clean Wash with HI93703 50 cleaning solution and rinse with HI 93124 0 or turbidity free water For consistent readings itis recommended to perform measurement immediately after collecting sample To obtain a representative sample gently mix the liquid before samples are taken Do not shake to prevent air bubbles and do not let the sample settle Rinse the cuvette twice with 5 ml of the liquid to be tested for removing the effect of dust orany previous liquid Gently pourthe liquid down the side of the cuvette to reduce air bubbles Try to tighten the cuvette cap always to the same degree Before inserting the cuvette into the instrument wipe it with soft lint free tissue Handle cuvettes so that no fingerprints can get on the areas where light passes approximately 2 cm 1 inch from the bottom of the cuvette Discard the sample soon afterthe reading is taken to avoid permanently clouding the glass If any problem is experienced during measurements please contact your dealer or the nearest Hanna Instruments Customer Service Department 12 LCD ERROR CODES Every time the meter is switched on the RTC Real Time Clock and the internal memory EEPROM are tested If an error occurs the corresponding error code will be displayed Here below are listed the error codes e No cover error check cuvette position LHP e
4. user to store up to 199 samples into the internal memory FUNCTIONAL DESCRIPTION HANNA Instruments Da Da Li 2 C 124 ALT HAZE METER LOGGER RS232 connector Measurement cell Liquid Crystal Display ON OFF key to switch the meter ON and OFF CLR key to clear log memory with ALT GLP key to display last calibration date and time CAL key to enter calibration mode with ALT ALT key to activate alternate functions READ key to perform measurements DATE key to display toggle current date and time with ALT STO key to store sample after reading VIEW key to view log memory with ALT Bown In de e a SPECIFICATIONS Range 0 to 10 00 EBC 10 to 250 EBC Resolution 0 01 EBC or 1 EBC Accuracy 0 20 EBC 3 of reading 0 00 to 10 00 EBC 1 EBC 5 of reading outside Typical EMC Deviation 1 FS Light Source Infrared LED 890 nm Light Source Life Life of the instrument Light Detector Silicon Photocell Power Source 4 1 5V AA alkaline batteries Battery Life 60 hours or 900 measurements Auto off After 5 minutes of non use Environment Oto 50 C 32 to 122 P RH max 95 non condensing Dimensions 220 x 82 x 66 mm 8 7 x 3 2 x 2 6 Weight 510 g 1 11b OPERATIONAL GUIDE The instrument is supplied complete with batteries Before starting operations install the batteries while payin
5. Instruction Manual HI 93124 Portable Logging Haze Meter BIS instruments 1 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 This instrument is in compliance with the C directives TABLE OF CONTENTS VETE soc a a Preliminary Examination Principle of Operation riii eoieeriseerieeeieeen 4 General Description s 4 Functional Description sse 5 6 Operational GUINE ione 7 Taking measurements ss 7 Sources of interference i 8 Log on demand tts 8 Cleaning logged data 111511111511 1s1a11 11101 1s1a 8 Viewing logged data 9 Viewing and setting date and time 9 9 232 00 900108 9 libica re see A 10 Calibration procedure siisi nisisn nasisa nanana 10 Viewing calibration date 11 Standard suspension i ll Tips for accurate operation 12 LCD error codes 13 Battery Replacement 7 7 7 0 ACCESSOTIS oen tte eR tte CE declaration of conformity WARRANTY All Hanna Instruments meters are warranted for two years against defects i
6. e meter calibration status by measuring a standard solution Anyway it is recommended to perform a monthly calibration of the meter or more frequently for greatest accuracy To checkthe date of last calibration simply press the GLP CAL key Press again to toggle between date and time CALIBRATION PROCEDURE e Tumthe meteron and wait forthe display to show dashes the meter enter the calibration mode asking for the 0 EBC standard F5 LIL LLLI Fill the measurement cuvette with HI 93124 0 standard 0 EBC n Note In order to minimize any error introduced by the cuvette it is recommended to use the same cuvette during calibration and for measurements e Insert the cuvette with the 0 EBC standard solution or turbidity free dilution water into the measurement cell and press the CAL key SIP and CL will start blinking After approximately 30 seconds the instrument ae will ask for the 2 5 EBC standard solution mis Repeat the same procedure with HI93124 1 standard solution 2 5 EBC fill the cuvette the HI 93124 1 standard insert into the measurement cell and press the CAL key again e After approximately 30 seconds the meterwill display 125 asking forthe 125 EBCsolution to be placed in the cuvette holder ni Lt Note At this point the user can exit the calibration mode and save the two calibration by pressing ALT CAL keys To perform a three
7. ewery 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 Asensor positioned at 90 with respect to the direction of light detects the amount of light scattered by the undissolved particles present in the sample LIGHT DETECTOR Tr PM 90 SCATTERED IR LED DI LIGHT EMITTED LIGHT 890 nm gt Ww CUVETTE The microprocessor converts such readings into EBC values GENERAL DESCRIPTION Beer clarity is a parameter constantly controlled in brewery and to assure a consistent product quality the brewmaster needs more than visual inspection Several substances can cause haze in beer but the most frequently encountered problem is due toa cross linking of polyphenol and protein These materials probably existin equilibrium in beer and manifest themselves as a haze when the polyphenol polymerizes A range of stabilization treatments is available for avoiding haze problems and the producthas to be controlled on several steps during brewing process in particular after filtration and before the beer enters the single tanks HI 93124 is a portable Haze meter especially designed for application in brewery The instrument is also provided with a log on demand feature which allows the
8. g attention totheir polarity see also Battery Replacement section To maximize the battery life the meter automatically switches off after 5 minutes of non use For reactivating it simply press the ON OFF key TAKING MEASUREMENTS DI Turn the meter ON by pressing the ON OFF key a 5 e Atstart up the meter will show the full display for EB ERE E ome a few seconds followed by the indication of the 8 remaining battery percentage zn x When the LCD displays the meter is ready fo measure Fill a clean cuvette upto0 5 cm one quarter inch from its rimwith the thoroughly agitated sample b Allow sufficient time for bubbles to escape before securing the cap Note Do not over tighten the cap Wipe the cuvette thoroughly with a lint free tissue HI731318 before inserting into the measure ment 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 bot tom 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 markon the cuvette cap should point towards the LCD Press the READ key and the LCD will display a blinking SIP Sampling In Progress The measured value will appear after approximately 25 seconds DE pes 1 5 E 5 SOURCES OF INTERFERENCE Presence of floating
9. mL bottle HI 93124 2 Calibration solution 125 EBC 30 mL bottle HI 93124 03 EBC Haze calibration set HI 93124 0 HI 93124 1 HI 93124 2 HI731318 Tissue for wiping cuvettes 4 pcs HI 731321 Spare measurement cuvettes 4 pcs HI92000 Windows compatible application software HI920011 5 to 9 pin RS232 connection cable HI 93703 50 Cleaning solution 230 ml bottle 14 CE DECLARATION OF CONFORMITY instruments CE DECLARATION OF CONFORMITY We Hanna Instruments Italia Srl viale delle Industrie 12 A 35010 Ronchi di Villafranca PD ITALY herewith certify that the Haze meter logger HI 93124 has been tested and found to be in compliance with EMC Directive 89 336 EEC and Low Voltage Directive 73 23 EEC according to the following applicable normatives EN 50082 1 Electromagnetic Compatibility Generic Immunity Standard IEC 61000 4 2 Electrostatic Discharge IEC 61000 4 3 RF Radiated EN 50081 1 Electromagnetic Compatibility Generic Emission Standard EN 55022 Radiated Class B EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Date of Issue June 2004 LV relic A Marsilio Technical Director On behalf of Hanna Instruments S r1 Recommendations for Users Before using this product make sure that it is entirely suitable for the environment in which it is used Operation of this instrument in residential area could cause unacceptable interferences to radio a
10. n workmanship and materials when used for their intended purpose and maintained according to instructions This warranty is limited to repair or replacement free of charge Damage due to accidents misuse tampering or lack of prescribed maintenance are not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of purchase serial number and the nature of the problem If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Retumed Goods Authorization number from the Customer Service department and then send it with shipping costs prepaid When shipping any instrument make sure it is properly packaged for complete protection PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it fo make sure that no damage has occurred during shipping If there is any damage notify your Dealer HI 93124 is supplied complete with Glass Cuvet 8 Cap 2 pcs 1 5V M alkaline batteries 4 pcs Instruction manual e Rugged carrying case Note Save all packing material until you are sure that the meter functions correctly All defective items must be returned in its original packaging with the supplied accessories PRINCIPLE OF OPERATION HI 93124 has been designed to perform turbidity measurements according to the EBC European Br
11. nd TV equipments requiring the operator to take all necessary steps to correct interferences Any variation introduced by the user to the supplied equipment may degrade the instrument s EMC performance To avoid electrical shock do not use this instrument when voltages at the measurement surface exceed 24VAC or 6OVDC To avoid damages or burns do not perform any measurement in microwave ovens Hanna Instruments reserves the right to modify the design construction and appearance of its products without advance notice 15 SALES AND TECHNICAL SERVICE CONTACTS Australia Tel 03 9769 0666 Fax 03 9769 0699 China Tel 10 88570068 Fax 10 88570060 Egypt Tel amp Fox 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 6291 6906 South Africa Tel 011 615 6076 Fax 011 615 8582 Taiwan Tel 886 2 2739 3014 Fax 886 2 2739 2983 Thailand Tel 66 2619 0708 Fax 66 2619 0061 United Kingdom Tel 01525 850 855 Fax 01525 853 668 USA Tel 401 765 7500 Fax 401 765 7575 For e mail contacts and complete list of Sales and Technical offices please see www hannainst com MANCI24R 05 05
12. point calibration place a cuvette filled with HI 93124 2 standard solution 125 EBC in the cuvette holder e Press the CAL key SIP and CL will start ATE Ater approximately 30 seconds the display will show Now the meter is calibrated and ready for use VIEWING CALIBRATION DATE To display the last calibration time and date press 5 the GLP button to toggle through date and time CY Ifthe display shows FS the instrument has factory Sa calibration settings loaded and no date will be Tx displayed STANDARD SUSPENSION Hanna Instruments supplies HI 93124 with the AMCO AEPA 1 standards which has a long shelf life at all concentrations approximately six months if free from contamination In addition no special handling or disposal is required and a much higher stability of suspended particles has been observed On the other hand the formazine based standards are very toxic carcinogen and unstable particles flocculate and settle quickly Lower concentrations change value within a few days or hours after dilution from stock solutions The consistency of HI 93124 readings by using both standards has been separately established by Advanced Polymer Systems and Hanna Instruments Additional documentation about the formazine standard and more complex calibration procedures is available upon request 11 TIPS FOR ACCURATE OPERATION The instructions listed below should be carefully followed
13. the operation VIEWING LOGGED DATA e 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 Pressthe up down arrow keys to view next sample and use the right arrow to scroll the date and time e Press ALT VIEW again to exit and return to measurement mode VIEWING AND SETTING DATE AND TIME VIEWING e Press ALT DATE to toggle between date and time SETTING e Press and hold ALT DATE for 3 4 seconds Press the up down arrow keys to set the year e Pressthe rightarrow to scroll to month amp day then use the up down arrow keys to set the date Press the right arrow again to scroll to time then use the up down arrow Keys to set the time Press the right arrow again to save and exit from setup mode Note Press ALT DATE to exit without saving RS232 CONNECTION To communicate with the instrument through theHI92000 software simply connect the 9 pin serial port of the PC to the 5 pin connector of the meter by using the HI920011 cable optional The meter will maintain its full functionality being also able to perform data transfer while operating Notes e RS232 communication is not allowed during calibration e The auto off feature is disabled when the meter is connected to a PC CALIBRATION If repeated measurements differ more than an acceptable value check if th
Download Pdf Manuals
Related Search