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INSTRUCTION MANUAL

HI93703-11

Portable Logging

Turbidity Meter

with RS232

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Summary of Contents for HI 93703-11

Page 1: ...INSTRUCTION MANUAL HI93703 11 Portable Logging Turbidity Meter with RS232 ...

Page 2: ...Island 02895 USA Thank you for choosing a Hanna Instruments product Please read this instruction manual carefully before using the meter For more information about Hanna Instrumentsandourproducts visitwww hannainst com or e mail us at sales hannainst com Fortechnicalsupport contactyourlocalHannaInstruments Office or e mail us at tech hannainst com Dear Customer ...

Page 3: ...OG ON DEMAND 12 6 3 CLEARING LOGGED DATA 13 6 4 VIEWING LOGGED DATA 13 6 5 VIEWING AND SETTING DATE AND TIME 14 6 6 ERROR CODES 15 7 CALIBRATION 18 7 1 CALIBRATION PROCEDURE 18 7 2 VIEWING CALIBRATION DATE 20 7 3 VIEWING FIRMWARE VERSION 20 7 4 ENSURE ACCURATE CALIBRATION 21 7 5 STANDARD SUSPENSION 21 8 BATTERY REPLACEMENT 22 9 PC CONNECTION 23 10 ACCESSORIES 24 CERTIFICATION 25 RECOMMENDATIONS FO...

Page 4: ...ents Office or email us at tech hannainst com Each HI93703 11 is delivered in rugged carrying case and is supplied with Glass cuvette with cap Batteries 4 x 1 5V AA Instruction manual Note Ensure that the meter functions correctly and save all packing material Items that need to be returned must be returned in their original packing material with the supplied accessories ...

Page 5: ...e other internationally recognized unit NTU Nephelometric Turbidity Unit The meter is housed in a rugged and lightweight case with an easy to read LCD To save battery life the instrument is equipped with an automatic shut off feature which is activated after 5 minutes of non use This feature is disabled when the meter is connected to the serial port of the computer All operations can be carried ou...

Page 6: ...stable substance which requires particular care its standards have to be prepared only a few minutes before performing the calibration and cannot be reused because of their short life HANNA instruments standards are extremely stable can be reused and last up to six months if free from contamination HI93703 11 can be used with both standards ...

Page 7: ...detects the amount of light scattered by the undissolved particles present in the sample The microprocessor converts such readings into FTU values As noted above FTU unit is equal to the NTU unit However there are other known measurement units for turbidity Jackson Turbidity Unit JTU based on the old method of Jackson s candle and Silica Unit mg L of SiO2 For your reference the conversion table be...

Page 8: ... to clear log memory 4 GLP CAL key to display last calibration date time and to enter calibration mode 5 STO VIEW key to store sample after reading and to view log memory 6 READ DATE key to perform measurements and to display toggle current date time 7 ALT key to activate the second functions second function keys in orange 8 RS232 connector 5 pin ...

Page 9: ...ight Detector Silicon photocell Data Logging 199 measurements on demand PC Connection Through serial port using HI920011 connection cable and HI92000 Windows compatible software Battery Type 4 x 1 5V AA alkaline batteries Battery Life Approx 60 hours of continuous use or 900 measurements Auto off After 5 minutes of non use Environment 0 to 50 C 32 to 122 F RH max 95 non condensing Dimensions 220 x...

Page 10: ...ter 5 minutes of non use To reactivate the display simply press the ON OFF key 6 1 MEASUREMENT PROCEDURE Turn the meter on by pressing the ON OFF key The meter will carry out a self test displaying a full set of figures The meter will carry out a battery test showing in percentage the battery life left When the LCD displays the meter is ready to measure Fill a clean cuvette up to one quarter inch ...

Page 11: ...must be completely free of fingerprints and other oil or dirt particularly in the area where the light goes through approx the bottom 2 cm 1 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 Press the READ key and the LCD will display a blinking SIP Sampling in Process The turbidity va...

Page 12: ...E g HI93703 reading 200 FTU 3000 200 15 mL Vos 15 mL Vos 85 mL HI93703 0 100 mL At this point take a sample of this solution and measure its turbidity The correct turbidity value of the original sample will be Tn x 100 mL Vos Ta where Tn new HI93703 reading Ta actual turbidity value of the original sample E g If Tn 27 FTU Ta 27 FTU x 100 mL 15 mL 180 FTU Note Any sample taken above 1000 FTU will s...

Page 13: ...te the oldest sample in the memory All samples are shifted reference numbers reduced by one Sample number one remains the oldest sample 6 3 CLEARING LOGGED DATA Press the ALT CLR buttons together The display will show CLR for confirmation Press ALT CLR again to clear memory To abort the operation press any button All samples previously stored will be erased from memory 6 4 VIEWING LOGGED DATA Pres...

Page 14: ...ess the UP DOWN arrows to view the samples and use the right arrow to scroll the date and time Press ALT VIEW again to exit this mode 6 5 VIEWING SETTING DATE TIME Viewing Press ALT DATE to toggle between date and time Setting Press and hold ALT DATE for 3 4 seconds Press UP DOWN to correct and set the year ...

Page 15: ...nd time setup Note Press ALT DATE to leave this mode without saving 6 6 ERROR CODES Every time the meter is switched on the Real Time Clock and EEPROM are tested and if an error is found the corresponding error code will be displayed The list of error codes is as follows NO cover error check cuvette position Calibration error check calibration standard value Real Time Clock error EEPROM error ...

Page 16: ...quickly If necessary store the sample in a cool dark place for up to a maximum of 24 hours the sample needs to be kept at room temperature prior to the analysis To obtain a representative sample gently but thoroughly mix it before samples are taken Do not shake to prevent air bubbles and do not let the sample settle It is recommended to calibrate the meter with the supplied HI93703 10 10 FTU stand...

Page 17: ...International Standard and can effectivelyminimizeanyerrorsduetocoloreddissolvedsubstances This effect called true color 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 may give false results and should be avoided Dirty glassware could also affect readings al...

Page 18: ...calibrated at two or three points and a monthly calibration is recommended 7 1 CALIBRATION PROCEDURE Turn the meter on and wait for the display to show Press the ALT CAL buttons together The CAL message will blink on the display 3 times The meter then enters the calibration mode displaying 0 00 cl and prompting the user to insert the 0 00 FTU standard Place the 0 00 FTU standard in the cuvette hol...

Page 19: ...0 00 FTU standard in the holder press CAL SIP and CL will start blinking After approximately 30 seconds the meter will display 500 asking the user to place the 500 FTU buffer solution in the cuvette 500 holder NOTE At this point the user can save the two point calibration setup by pressing ALT CAL buttons leaving the calibration mode To perform a three point calibration place the 500 FTU standard ...

Page 20: ... 7 2 VIEWING CALIBRATION DATE To display the last calibration time and date press the GLP button to toggle through the date and time If the display shows FS the instrument has factory calibration settings loaded and no date will be displayed 7 3 VIEWING FIRMWARE VERSION To display the firmware version press and hold the ON OFF key for approx ten seconds when turning the meter on The firmware versi...

Page 21: ...erprints can get on the areas where light passes approx bottom 2cm 1 7 5 STANDARD SUSPENSION Presently there are only two recognized primary standards AMCO AEPA 1 and formazine Hanna Instruments supplies HI93703 11 with the AMCO AEPA 1 which has a much longer shelf life at all concentrations approx six months if free from contamination In addition no special handling or disposal is required and a ...

Page 22: ...r right corner of the display when the batteries are weak 10 All four batteries need to be replaced When the batteries are too weak to ensure reliable measurements the message 0 LO BAT appears for a few seconds and then the meter will automatically switch itself off Replace the batteries immediately Battery replacement must only take place in a safe area and using 1 5V AA alkaline batteries To ins...

Page 23: ...a transfer while the meter is being operated Notes Serial communication is not allowed when the meter is being calibrated The auto shut off feature is also disabled when the meter is connected to a computer To allow our users access to the latest version of Hanna Instruments PC compatible software we made the products available for download at http software hannainst com Select the product code an...

Page 24: ...olutions HI93703 50 cuvette cleaning solution 1 tissue for wiping cuvettes and 2 cuvettes HI93703 0 AMCO AEPA 1 0 FTU calibration solution 30 mL HI93703 05 AMCO AEPA 1 500 FTU calibration solution 30 mL HI93703 10 AMCO AEPA 1 10 FTU calibration solution 30 mL HI93703 50 Cuvette cleaning solution 230 mL HI92000 Windows compatible software HI920011 Serial cable for PC connection 5 to 9 pin 1 FTU 1 N...

Page 25: ...m over to the appropriate collection point for recycling Ensuring proper product and battery disposal prevents potential negative consequences for the environment and human health For more information contact your city your local household waste disposal service the place of purchase or go to www hannainst com RECOMMENDATIONS FOR USERS Before using this product make sure it is entirely suitable fo...

Page 26: ...f service is required contact your local Hanna Instruments Office 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 meter is to be returned to Hanna Instruments first obtain a Returned Goods Authorization RGA number from the Technical Service departm...

Page 27: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice ...

Page 28: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN93703 11 Printed in ROMANIA ...

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