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  12

Ozone 

Range 
O

3

 :   0.01 –  3 mg/l  

 
Wavelength – 530 nm 

 
 
Method - DPD 

Ozone 

1  Rinse  test  tube  with  sample  leaving  two  or  three 

drops in the tube. 

2  Add one DPD No 4 tablet, crush the tablet with the 

crushing rod and then fill the test tube with sample 
to  the  10  ml  mark.  Mix  gently  with  the  rod  to 
dissolve  the  tablet  and  ensure  any  remaining 
particles have settled. 

3  Take  photometer  reading 

immediately

  as  the 

result  may  drift  on  standing.    Ensure  the  display 
shows the test range that you desire. 

 

Reagents 

AP 056 - DPD No 4 Tablets 

 

Summary of Contents for Compact Ozone Meter

Page 1: ......

Page 2: ...o Colorimetric Measurement 6 Blanks and Samples 8 Taking a Reading 8 Care and Maintenance 9 Viewing the Instrument Memory 10 Backlight Operation 10 3 TEST PROCEDURES 11 Ozone 12 4 INSTRUMENT 13 Technical Specification 15 5 TROUBLESHOOTING 17 Chemistry Troubleshooting 17 Compliance 18 Sample Dilution and Collection 19 6 REORDER CODES and ACCESSORIES 20 INST 40 ...

Page 3: ...remises throughout the world Our products are packaged carefully and the product should reach you in the state it left our factory if this product has reached you in a state that is less than satisfactory please contact your local Palintest branch or your local distributor This booklet describes the best way to use Palintest products and provides instructions for the range of water tests that can ...

Page 4: ... designed for use with the Palintest Ozone meter The kit contains Ozone Instrument Instrument Instructions Crushing Rods Test Tube Brush Photometer Tubes Reagents DPD No 4 Tablets For re ordering codes and accessories please see Section 6 ...

Page 5: ...5 Instrument Layout Test Tube holder Screen Read Sample button Menu button Blank Sample button On Off button ...

Page 6: ...a colorimeter can be used for quantitative measurement of the amount of coloured light absorbed by a sample with reagents added in reference to a untreated sample blank White light is made up of many different wavelengths of light A colorimeter passes a white light beam through an optical filter which transmits only one particular band of wavelength of light to the photodetector where it is measur...

Page 7: ... the greater the chlorine concentration the darker the pink colour In this case a green filter gives the greatest sensitivity as a pinkish red solution absorbs mostly green light Palintest photometers calculate and then display the test results directly in milligrams per litre mg l of the test factor by comparing the amount of absorbed light to the calibration data programmed into the instrument P...

Page 8: ... the same body of water and the conditions of use are the same The blank setting can be confirmed if necessary by taking a test reading on the blank tube Taking a Reading 1 Press the on off button to start the unit 2 Press the menu button until the test you wish to perform is indicated on the screen 3 Insert your blank tube and press the blank sample button 4 An image displaying a blank tube will ...

Page 9: ...ing the photometer clean free from contamination and in good working order 1 Prepare your workplace before use Make sure that you have enough space to work with the photometer and with the reagent systems 2 Do not pour out samples or prepare the tests directly over the instrument 3 Always cap the test tubes after preparing the blank and test sample 4 Wipe test tubes on a clean tissue to remove dri...

Page 10: ...ument Memory To view the previous results 10 results are stored within the instrument memory hold the menu button down for at least three seconds whilst the display showing the selected test or result is on the screen To scroll through the 10 different results simply press the menu button To exit the results menu press the menu button again for at least three seconds Backlight Operation The backli...

Page 11: ... for use with the Palintest Ozone instrument Before attempting to do any tests ensure you read Blanks and Samples and the Care and Maintenance sections in Section 2 To Select the Test Press the MENU key The selected test will appear on the display O3 Ozone ...

Page 12: ...let crush the tablet with the crushing rod and then fill the test tube with sample to the 10 ml mark Mix gently with the rod to dissolve the tablet and ensure any remaining particles have settled 3 Take photometer reading immediately as the result may drift on standing Ensure the display shows the test range that you desire Reagents AP 056 DPD No 4 Tablets ...

Page 13: ...alent Remove batteries from instrument if it is to be stored or left unused for a long period of time Liability Under no circumstances shall Palintest Ltd be liable for loss of life property profits or other damages incurred through the use or misuse of their products Disposal Waste Electrical and Electronic Equipment WEEE Natural resources were used in the production of this equipment This equipm...

Page 14: ...earing on the photometer display contact your local Palintest Technical Services Department or your local distributor Error messages are coded 7 8 and 9 and all relate to blanking the instrument In the first instance the user should check the operating technique and sample clarity If these are in order then these errors indicate a fault in the optics Error 7 indicates too much light remove the ins...

Page 15: ... Wavelength 530nm Wavelength Tolerance 2nm Filter Bandwidth 10nm LCD Display 128 x 64 pixel screen Instrument Operating Temperature Range 0 50 C Waterproof Rating IP 67 Test Cells 25 mm diameter tubes Blank Zero Setting Held in memory or reset for each reading Power Supply 2 x 1 5V AA batteries auto switch off setting Size 150 x 65 x 42 mm Weight 200g including batteries ...

Page 16: ...ceable components If the instrument requires servicing or repair this can be arranged through our Technical Services Department Servicing and Warranty Palintest Photometers are guaranteed for a period of two years from the date of purchase excluding accidental damage or damage caused by unauthorised repair or misuse Should repair be necessary contact our Technical Services Department quoting the s...

Page 17: ...ll react with DPD No 4 reagent to produce a pink colour proportional to the concentration present in the sample Glycine destroys ozone in the sample and the colour produced in the DPD test then corresponds to the chlorine and bromine only The ozone content is thus obtained by the difference between the test readings with and without glycine Procedure 1 Rinse test tube with sample leaving 2 3 drops...

Page 18: ...ond clean test tube and add 2 3 drops of solution from the first tube Add one DPD No 4 tablet crush and then add the remainder of the solution to make up to the 10 ml mark Mix to dissolve the tablet 3 Take the reading using the Ozone Meter Reading B This represents the ozone equivalent of the chlorine plus bromine present Ozone mg l Reading A Reading B Compliance The Palintest photometer series ha...

Page 19: ...zone above 2 5 mg l and a more accurate result is required a dilution may be used to increase the sensitivity of the test The following points should be observed when taking water samples from the pool Take pool water samples from below the water surface Collect in a clean plastic bottle and fill to the neck so as to avoid unnecessary airspace The free chlorine or bromine may drop during sample st...

Page 20: ...nt Description 50 Tests 250 Tests DPD No 4 Tablet Pack PM 056 AP 056 DPD Glycine AT 056 Accessories Description Product Code Test Tube Brush PT 663 Replacement Photometer Tubes x5 PT 555 Photometer Tube Rack PT 545 Crushing Rods x10 PT 502 Check Standards PTC 043 ...

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