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HI 83414

Turbidity and Free/Total Chlorine

Meter

Instruction Manual

Summary of Contents for HI 83414

Page 1: ...1 www hannainst com HI 83414 Turbidity and Free Total Chlorine Meter Instruction Manual...

Page 2: ...due to accidents misuse tampering or lack of prescribed maintenance is not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model n...

Page 3: ...E 21 HELP MODE 21 MEASUREMENT PROCEDURE FOR RATIO NON RATIO TURBIDITY RANGE 22 CALIBRATION PROCEDURE FOR RATIO NON RATIO TURBIDITY RANGE 25 MEASUREMENT PROCEDURE FOR FREE TOTAL CHLORINE 29 CAL CHECK P...

Page 4: ...complete with Five Sample Cuvettes and Caps Calibration Cuvettes for turbidimeter and colorimeter HI 83414 11 Silicone Oil HI 93703 58 Cloth for wiping the cuvettes Scissors Power cord Instruction Man...

Page 5: ...easuring units are available Depending on the measured sample and needed accuracy normal measurement continuous measurement or signal averaging measurement can be selected A two three four or five poi...

Page 6: ...uid scatter light to a certain degree no solution will have zero turbidity The USEPA Method 180 1 specifies the key parameters for the optical system to measure turbidity for drinking saline and surfa...

Page 7: ...very low stray light providing accurate results for low turbidity samples However special care must be taken when measuring low turbidities see page 12 General Tips for an Accurate Measurement for sa...

Page 8: ...sample and reagents Given that the absorption of a compound strictly depends on the wavelength of the incident light beam a narrow spectral bandwidth should be selected as well as a proper central wav...

Page 9: ...uid Crystal Display LCD The LCD has backlight for better visibility in dark environments 2 Keypad Splash resistant 3 Cuvette Lid Close the cuvette lid prior to start a measurement 4 Lamp lid 5 USB con...

Page 10: ...ons The function of each of the three functional keys depends on the name displayed on the LCD above them ESC Press to return to the main screen RANGE When in the main screen press to access the chang...

Page 11: ...los 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 Adaptation of the USE...

Page 12: ...o avoid spillage of the sample into the instrument Do not use too much oil to prevent contamination of the optical system If possible use indexed and matched cuvettes If possible use the same cuvette...

Page 13: ...ree of fingerprints or dirt If the cuvette is not indexed put the cuvette with the factory mark aligned with the sign on the instrument top CUVETTE OILING TURBIDITY only Warning For colorimetric measu...

Page 14: ...used to put the cuvette with the factory mark on the cuvette aligned with the sign on the instrument top To further reduce the effect of glass imperfections the cuvette can be indexed and use this ne...

Page 15: ...l the lowest NTU value is displayed Mark this position on the thicker white band on the top of the cuvette with a water resistant pencil Always use this position to align it with the sign on the instr...

Page 16: ...cker white band on the top of the cuvette with a water resistant pencil Insert the second cuvette into the instrument and take a reading Open the instrument lid slightly rotate the cuvette and take a...

Page 17: ...y after this should you fill the cuvette with sample Pay attention that cold samples do not condense on the sample cell REMOVING AIR BUBBLES TURBIDITY only Any air bubbles present in the sample will c...

Page 18: ...In order to avoid excess application of the ultrasonic waves you can apply ultrasound until all visible air bubbles are removed and then measure the sample turbidity This is the most common procedure...

Page 19: ...All the reaction times reported in this manual were recorded at 20 C 68 F As a general rule of thumb they should be doubled at 10 C 50 F and halved at 30 C 86 F Insert the cuvette with the mark aligne...

Page 20: ...ee Total Chlorine benchmeter is supplied with all necessary accesories for making measurements Unpack the instrument and place it on a flat surface Do not place the instrument under direct sunlight Co...

Page 21: ...highlited Press the Disable key and then press ESC to return to the main screen HELP MODE The HI 83414 offers an interactive contextual help mode that assists the user at any time To access help scree...

Page 22: ...film over the entire surface of the cuvette Note It is very important to oil the cuvette especially for low turbidity values 1 NTU to hide the glass imperfections which can influence the reading Place...

Page 23: ...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 readings noise effect is reduced...

Page 24: ...it key when a measurement is available The Nephelos value is obtained by multiply with 6 7 the NTU value The EBC value is obtained by multiply with 0 245 the NTU value EPA MODE To round the readings a...

Page 25: ...ntact Formazin solution can also contain some hydrazine traces Solution II Dissolve 10 000 grams of hexamethylenetetramine CH2 6 N4 in distilled deionized water and dilute to 100 mL in a volumetric fl...

Page 26: ...can be skipped by pressing the Skip key In this case the 0 00 NTU point will be used for calibration Place the 0 1 NTU standard cuvette or the cuvette with dilution water into the holder and ensure t...

Page 27: ...owing steps Remove the second standard cuvette Place the 100 NTU standard cuvette or the third prepared formazin standard into the holder with the cuvette mark aligned to the sign on the instrument to...

Page 28: ...TU standard cuvette or the fourthpreparedformazinstandard intotheholder with the cuvette mark aligned to the sign on the instrument top Close the lid and press the Read key The display will show the v...

Page 29: ...ent on by pressing ON OFF Be sure that the correct range is selected displayed on the down right side of the LCD Only the Zero key is available indicating that a zero measurement should be done ZEROIN...

Page 30: ...was successful the display will show 0 0 SINGLE SAMPLE READ Remove the cuvette from the instrument Remove the cap Add the content of one packet of the specific test reagent for Free Chlorine Total Chl...

Page 31: ...k on the LCD depending onthemeasurementphase Theinstrumentthen displays the concentration in mg L of free or total chlorine Press the Timer key The display will show the stopwatch icon and the countdo...

Page 32: ...L CaCO3 or acidity above 150 mg L CaCO3 will not reliably develop the full amount of color or it may rapidly fade To resolve this neutralize the sample with diluted HCl or NaOH Incaseofwaterwithhardn...

Page 33: ...at the cuvettes are free of fingerprints oil or dirt and repeat validation If results are still out of specifications then recalibrate the instrument Place the zero cuvette A in the instrument with th...

Page 34: ...will show 0 0 Remove the cuvette Place the CAL CHECK Standard Cuvette B into the holder Make sure that the mark on the glass is aligned with the mark on the instrument top PresstheRead key TheLCDwild...

Page 35: ...ation Note Only the user calibration for the current selected range is deleted CALIBRATION ERROR MESSAGES The calibration is successfully performed if the reading is in certain limits If the CAL CHECK...

Page 36: ...d format and time in hh mm format If no calibration wasperformed the FactoryCalibration message is displayed ParameterasRatioTurbidityorNonRatio Turbidity The value of each calibration point up to 5 p...

Page 37: ...an be stored only once LOG RECALL The log can be consulted 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...

Page 38: ...ues 0 to 8 Press theModifykeytoaccessthebacklightvalue Use the s or t keys alternatively the u functional keys to increase or decrease the value Press the Accept key to confirm or ESC to return to the...

Page 39: ...or ESC to return to the setup without saving the new time or date Time format Option AM PM or 24 hours Press the functional key to select the new format Date format Press the Modify key to change the...

Page 40: ...ional key to enable disable the beeper Instrument ID Option 0 to 9999 This option is used to set the instrument s ID identification number The instrument ID is used while exchanging data with a PC Pre...

Page 41: ...tor Unlock the lamp and extract it by pulling it out from the lamp holder Place the new lamp in the right position and push it until is securely locked Insert the lamp leads into the connector and tig...

Page 42: ...are to download the data from the instrument REAGENT SETS HI 93414 11 CAL CHECKTM Calibration set for Free Total Chlorine 1 set HI 93701 01 Reagents for 100 Free Chlorine tests HI 93701 03 Reagents fo...

Page 43: ...ing the user to follow 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 damage or burns...

Page 44: ...na Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA Technical Support for Customers Tel 800 426 6287 Fax 401 765 7575 E mail tech hannainst com www hannainst com Lo...

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