Hanna Instruments HI88703-02 Instruction Manual Download Page 1 | Manualshive

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HI88703

Turbidity Meter

Instruction Manual

www.hannainst.com

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Summary of Contents for HI88703-02

Page 1: ...1 HI88703 Turbidity Meter Instruction Manual www hannainst com...

Page 2: ...ial 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...

Page 3: ...TIPS FOR AN ACCURATE MEASUREMENT 10 START UP 16 RANGE SELECTION 17 TUTORIAL MODE 17 HELP MODE 18 MEASUREMENT PROCEDURE FOR RATIO NON RATIO TURBIDITY RANGE 18 CALIBRATION PROCEDURE FOR RATIO NON RATIO...

Page 4: ...urateresults assures longtermstabilityandminimizesstraylightandcolorinterferences Italsocompensatesforvariations in intensity of the lamp making no need for frequent calibration The25mmroundcuvettesma...

Page 5: ...Method 180 1 and Standard Method 2130 B The light beam that passes through the sample is scattered in all directions The intensity and pattern of the scattered light is affected by many variables like...

Page 6: ...turbidimeter is determined by the so called stray light Stray light is the light detected by the sensors that is not caused by light scattering from suspended particles The optical system of HI88703 i...

Page 7: ...y LCD The LCD has backlight for better visibility in dark environments 2 Keypad Splash proof resistant 3 Cuvette Lid Close the cuvette lid prior to start a measurement 4 Lamp lid and the related fixin...

Page 8: ...h the following functions The function of each of the three functional keys depends on the name displayed on the LCD above them Press to return to the main screen When in the main screen press to acce...

Page 9: ...U 0 15 Nephelos 0 01 EBC whichever is greater Stray Light 0 02 NTU 0 15 Nephelos 0 01 EBC Light Detector Silicon Photocell Method Nephelometric method 90 or Ratio Nephelometric Method 90 180 Adaptatio...

Page 10: ...s very important for the analyst to use proper measurement techniques for accurate precise and repeatable readings Special care must be taken during sample preparation and handling The instructions li...

Page 11: ...pe the cuvette thoroughly with a lint free cloth Wipe off the excess oil till you obtain a thin uniform layer If the procedure is correctly followed the cuvette should appear nearly dry with no visibl...

Page 12: ...cuvette follow the next steps Fill the cuvette with high quality water 0 1 NTU up to the 10 mL mark Clean and oil the cuvette as described before Turn the instrument ON Insertthecuvetteintotheinstrum...

Page 13: ...ater 0 1NTU up to the 10 mL mark Clean and oil the cuvettes as described before Turn the instrument ON Insert the first cuvette into the instrument and press the Read key Record the reading Mark this...

Page 14: ...nsistent results follow the next tips when sampling Gently mix the water before taking the sample If the sample is taken from a pipe discard the first few liters If measuring a non uniform source coll...

Page 15: ...avoid this problem analyze as soon as possible the sample Do not shake vigorously the sample because the surfactant may foam If you are using the same cuvette rinse it before adding a new sample in or...

Page 16: ...e displayed in English and tutorial and help information are not available HEATING THE SAMPLE Use of heat to remove air bubbles although very effective in some cases should be handled with care becaus...

Page 17: ...ns to the main screen TUTORIAL MODE TheHI88703hasauniqueTutorialModethatprovidesadditionalinformationtohelptheunexperienced user during the measurements The instruments display a screen with explanati...

Page 18: ...the previously selected screen MEASUREMENT PROCEDURE FOR RATIO NON RATIO TURBIDITY RANGE When taking turbidity measurements several basic rules should be followed Always use cuvettes without scratche...

Page 19: ...ide and blinking dashes The dashes and lamp icon will appear during different measurement phases The result is displayed in the selected units Wipethecuvettethoroughlywithalint freecloth to remove any...

Page 20: ...he last value remains on the display after the Read key is released AVERAGED MEASUREMENT This measurement mode is useful when samples that cause unstable readings are analyzed By averaging several rea...

Page 21: ...sed after the expiration date Alternatively formazin standardscanbeused Itisrecommendedthattheturbidityvalueofthepreparedcalibrationsolutions to be close to the default calibration points The first ca...

Page 22: ...the same high purity water you used for the preparation of the stock solution The diluted formazin solutions are not stable They should be used immediately after preparation and discard immediately af...

Page 23: ...esecond formazyne prepared standard into the holder with the cuvette mark aligned with the sign on the instrument top Note Ifnecessary press or keytoediteach calibration point value to match the exact...

Page 24: ...will briefly show Store and the three point calibration is saved The instrument returns in the main screen FOUR POINT CALIBRATION Ratio Turbidity only To perform a four point calibration continue the...

Page 25: ...nue the procedure with the following steps Remove the fourth standard cuvette Place the 2000 NTU standard cuvette or the fourth prepared formazin standard into the holder with the cuvettemarkalignedto...

Page 26: ...alibration messageisdisplayed Parameter as Ratio Turbidity or Non Ratio Turbidity The value of each calibration point up to 5 points for ratio turbidimeter and 2 points for non ratio turbidimeter If t...

Page 27: ...onsulted at any time by simply pressing RCL key To exit log consulting press RCL key again The log content is displayed one record at a time starting with the most recent one The information regarding...

Page 28: ...the backlight value Use the or keys alternatively the functional keys to increase or decrease the value PresstheAcceptkeytoconfirmorESCtoreturntothe setup menu without saving the new value Contrast V...

Page 29: ...se the or keys to select the desired format Press the Accept key to confirm or ESC to return to the setup menu without saving the new format Language Press the corresponding key to change the language...

Page 30: ...the lamp follow the next steps Power off the instrument and take out the power cord Remove the fixing screw of the lamp lid Remove the lamp lid Unscrew the lamp leads from connector Unlock the lamp a...

Page 31: ...nload the data from the instrument To allow our users access to the latest version of Hanna Instruments PC compatible software we made theproductsavailablefordownloadathttp software hannainst com Sele...

Page 32: ...32 World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN88703 06 19 Printed in Romania...

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