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Instruction Manual

TB1

Portable Turbidimeter

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10000208

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Summary of Contents for TB1

Page 1: ...Instruction Manual TB1 Portable Turbidimeter VELP SCIENTIFICA Constant Commitment to Knowledge Development 10000208 A8...

Page 2: ...ion provided by this equipment may be impaired if it is used in a manner not described in this manual It is recommended that all operators should read this manual prior to working with this instrument...

Page 3: ...Sample Vial 12 3 2 2 Measurement Procedure 13 3 3 Single Shot or Continuous Measurement 14 4 TROUBLESHOOTING GUIDE 16 5 ROUTINE MAINTENANCE 17 5 1 Vials Handling Cleaning and Care 17 6 ACCESSORIES 18...

Page 4: ...ilicone Oil 1 8 Lint free cloth 1 Remove TB1 turbidimeter from the packing carton Carefully inspect all items to ensure that no visible damage has occurred during shipment If the items you received do...

Page 5: ...g and to provide guidance for the operation of the instrument In addition the display has several other annunciators that are used to communicate error messages and provide user guidance CAL 13 CAL 24...

Page 6: ...splay will blink Rd for 10 times and then display the measured value Continuous measurements If the READ ENTER key is pressed and held the instrument will perform a continuous measurement during which...

Page 7: ...e Figure 3 2 Remove the battery cover 3 Insert the batteries Follow the diagram inside the cover for correct polarity 4 Replace the battery cover onto its original position using the two screws remove...

Page 8: ...y reading back the value for the prepared primary standard at the appropriate NTU value However the TB1 turbidimeter provides flexibility for you to calibrate at selected ranges suitable for your appl...

Page 9: ...Rinse a clean vial with 3 4 ml of the calibration standard that will be used in this vial Invert the capped vial 5 times Uncap and dispose of the rinsate 4 Repeat the rinsing steps and dispose of the...

Page 10: ...s When the instrument has completed calibration for this point it prompts you to insert the next calibration standard into the sample well CAL 2 100 NTU 8 Repeat the calibration sequence for each cali...

Page 11: ...es about 5 times Flashes about 10 times or more Flashes about 10 times or more Flashes about 10 times or more Flashes about 10 times or more CAL 3 CAL 4 20 0 NTU 0 02 NTU NTU NTU CAL 4 CAL 4 READ ENTE...

Page 12: ...N OFF keys simultaneously for about 2 seconds 2 The display will flash URST User Reset for 2 seconds and show No which is the default value 3 Use or key to select between YES or No YES To restore mete...

Page 13: ...seconds before releasing UP ON OFF Rd will flash 10 times The meter is now ready for measurement Press or key to select or UP DOWN YES No To restore factory calibration To retain last calibration valu...

Page 14: ...mg l NTU ppm pH TAvg NTU OFF ON Rd will flash 10 times before a reading appears assuming you have placed a vial into the sample well of the meter A reading will only appear if you have placed a vial o...

Page 15: ...grab sample up to the mark indicated in the vial Cap the vial with the supplied black screw cap 6 Wipe the vial with the soft lint free cloth supplied Ensure that the outside of the vial is dry clean...

Page 16: ...ark with meter s index mark 3 Push the vial until it is fully snapped in 4 Cover the vial with the light shield cap 5 Turn on the meter by pressing the ON OFF key 6 After the power sup sequence the di...

Page 17: ...gle reading or perform continuous measurement The latter is only used for indexing the vials See Section 0 8 5 Indexing a Vial on page 21 for more information For single shot measurement 1 Make sure t...

Page 18: ...re information 6 Once you release the READ ENTER key the meter will automatically perform a single shot measurement NOTES 1 After a measurement is completed and the display is updated a 4 second recov...

Page 19: ...ration Standard Ensure to use the correct 0 02 NTU calibration standard ERR 5 Calibration Error There is not sufficient signal to achieve the appropriate resolution in the 0 1000NTU range Re do calibr...

Page 20: ...atches and mask the imperfections in the glass Since the silicone oil required for this application should have the same refractive characteristics as glass it is recommended that the oil be obtained...

Page 21: ...rproof TN 100 T 100 portable turbidimeter with set of 4 calibration standards 800 100 20 0 0 02 NTU set of 3 sample vials lint free cloth silicone oil batteries all in a rugged carrying case R109B1215...

Page 22: ...ared emitting diode 850 nm wavelength Light Source Life 1 000 000 tests Detector Silicon photovoltaic Stray Light 0 02 NTU Display 4 digit 14 segments customized liquid crystal display with annunciato...

Page 23: ...asurement is particularly useful for water treatment plants to ensure cleanliness In industrial processes turbidity can be part of quality control measure to ensure efficiency in treatment or manufact...

Page 24: ...aqueous sample NTU is the accepted unit of measurement for turbidity Another unit commonly used to measure turbidity is Formazin Turbidity Unit FTU The two units of measure of turbidity are equivalen...

Page 25: ...mulation or deposits and fingerprints that might interfere with the light path More information is found in Section 0 5 1 Vials Handling Cleaning and Care on page 17 9 2 Match Sample Vials Best accura...

Page 26: ...formed Dilution water may dissolve particles or change their characteristics It is recommended to take samples only when the turbidimeter is ready to be operated Samples should not be drawn and allowe...

Page 27: ...e turbidity above 1000 NTU dilute the sample with turbidity free water 2 Turbidity free water can be obtained by filtering deionized water through a 0 2 m filter membrane with precision sized pores 3...

Page 28: ...be made without charge Velp Scientifica will determine if the product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charged basis Exclusions The warra...

Page 29: ...Velp Scientifica TB1 Manual 26 11 Calibration checklist Month _________________ Year ______________ Date Initials Value Standard Comments...

Page 30: ...Velp Scientifica TB1 Manual 27 Month _________________ Year ______________ Date Initials Value Standard Comments...

Page 31: ...ty declare that the product is manufactured in conformity with the following standards EN 61326 1 2013 and satisfies the essential requirements of the following directives 2006 42 EC 2014 35 EU 2014 3...

Page 32: ...Velp Scientifica srl 20865 Usmate MB Italy Via Stazione 16 tel 39 039 628811 fax 39 039 6288120 e mail inse velp it Internet www velp com Your authorized agent...

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