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5 

 

Test 2  

 

TOTAL CHLORINE

 

Option 2: Range 0 - 10.0 mg/l (ppm)

  

Colourless - Red 

 

1  Carry out this test on the solution remaining from the Free Chlorine test. 

2  If  any  shock  treatment  chemicals  have  been  added  to  the  pool,  add  one  DPD 

Oxystop tablet, crush and mix to dissolve.  This will prevent a response caused 
by the shock treatment chemicals. 

3  Add one DPD-XT tablet, crush and mix to dissolve. 

4  Stand for two minutes. 

5  Take  photometer  reading.    Ensure  display  shows  the  Chlorine-Total/10  test  is 

selected. 

To obtain COMBINED CHLORINE residual subtract Free Chlorine result from Total 
Chlorine result :- 

ie Combined Chlorine = Total Chlorine - Free Chlorine 

Note: To assess the level of shock dose chemicals in the pool, request supplementary 
instructions Phot 7.2.AUTO. 

 

Test 3 

 

BROMINE 

Range 0 - 6.00 mg/l (ppm)         

Colourless - Red

 

1  Rinse test tube with sample leaving two to three drops in the tube. 

2  Add one DPD No 1 tablet, crush tablet and then fill the test tube with sample to 

the 10 ml mark. Mix to dissolve tablet and ensure any remaining particles have 
settled. 

3  Take photometer reading immediately, as result may drift on standing. 

Note:  To  separate  chlorine  and  bromine  residuals,  request  supplementary 
instructions Phot 5.1.AUTO. 
 

 

Test 4 

 

OZONE 

Range 0 - 2.00 mg/l (ppm)  

 

Colourless - Red

 

1  Rinse test tube with sample leaving two to three drops in the tube. 

2  Add one DPD No 4 tablet, crush tablet and then fill the test tube with sample to 

the 10 ml mark. Mix to dissolve tablet and ensure any remaining particles have 
settled. 

3  Take photometer reading immediately. 

This test also responds to chlorine and bromine. Pools using ‘ozone with chlorine’ 
treatment  systems,  or  other  combined  treatments,  requirea  special  testing 
procedure. See separate leaflet. 

Содержание Pooltest 25 Professional Plus

Страница 1: ... first inserted into the photometer It is important to understand the meaning of the term BLANK tube The BLANK tube is a test tube containing pool water only This tube is used to compensate for any inherent colour in the pool water and automatically sets the instrument for each test Once the photometer has been set the SAMPLE tube is then inserted into the instrument The SAMPLE tube is the test tu...

Страница 2: ...cratched or permanently stained 7 Use the light cap when working out of doors in strong sunlight CARRYING OUT THE TESTS RAPIDLY When working in a pool shop or retail establishment it is necessary to carry out tests as quickly as possible so as to achieve a good commercial throughput of samples The following hints should help in developing a technique for carrying out the tests rapidly Once you are...

Страница 3: ...tration in the original pool water sample Samples may be diluted to a greater extent if necessary Enter the dilution factor appropriate to the dilution used Note that it is not possible to dilute samples in the pH test or when working in Transmittance Note The Chlorine 10 range may be used with the appropriate DPD XF and DPD XT tablets to avoid sample dilution SAMPLE COLLECTION The following point...

Страница 4: ...blet crush tablet and then fill the test tube with sample to the 10 ml mark Mix to dissolve tablet and ensure any remaining particles have settled 3 Take photometer reading immediately as result may drift on standing Ensure the display shows the Chlorine Free 10 test is selected 4 Retain test solution if Total Chlorine test required Test 2 TOTAL CHLORINE Option 1 Range 0 5 00 mg l ppm Colourless R...

Страница 5: ...ROMINE Range 0 6 00 mg l ppm Colourless Red 1 Rinse test tube with sample leaving two to three drops in the tube 2 Add one DPD No 1 tablet crush tablet and then fill the test tube with sample to the 10 ml mark Mix to dissolve tablet and ensure any remaining particles have settled 3 Take photometer reading immediately as result may drift on standing Note To separate chlorine and bromine residuals r...

Страница 6: ...d to be applied if products of a different strength are being used AII trade marks acknowledged 1 Fill test tube with sample to the 10 ml mark 2 Add one PHMB PHOT tablet crush and mix to dissolve 3 Take photometer reading immediately Test 6 pH VALUE Range 6 8 8 4 Yellow Red 1 Fill test tube with sample to the 10 ml mark 2 Add one PHENOL RED tablet crush and mix to dissolve 3 Take photometer readin...

Страница 7: ...ple to the 10 ml mark 2 Add one CYANURIC ACID tablet and allow to disintegrate for at least two minutes A cloudy solution indicates the presence of cyanuric acid 3 Crush any remaining undissolved tablet mix and then take photometer reading Use the light cap whilst taking reading Test 10 IRON Range 0 1 00 mg l ppm Colourless Pink 1 Fill test tube with sample to the 10 ml mark 2 Add one IRON LR tabl...

Страница 8: ...ing Syringe PT 361 add 0 5 ml of pool water Fill to the 100 ml mark with deionised water cap and mix 2 Fill test tube to the 10 ml mark with solution from the sample container 3 Add one ACIDIFYING CD tablet crush and mix to dissolve 4 Add one CHLORIDOL tablet and allow to disintegrate for at least two minutes A cloudy solution indicates the presence of salt 5 Crush any remaining undissolved tablet...

Страница 9: ...ter reading Use the light cap whilst taking reading Test 16 TOTAL HARDNESS Range 0 500 mg l ppm Pale Purple Purple 1 Fill test tube with sample to the 10 ml mark 2 Add one HARDICOL No 1 tablet crush and mix to dissolve 3 Add one HARDICOL No 2 tablet crush and mix Ensure all particles are dissolved 4 Stand for two minutes 5 Take photometer reading Test 17 ALUMINIUM Range 0 0 50 mg l ppm Yellow Pink...

Страница 10: ...tion into test tube filling to the 10 ml mark or Using the Palintest Filtration Set PT 600 filter a portion of the solution through a GF B filter paper into a test tube filling to the 10 ml mark 4 Add one NITRICOL tablet crush and mix to dissolve 5 Stand for 10 minutes 6 Take photometer reading Test 19 AMMONIUM Range 0 1 00 mg l ppm Yellow Green 1 Fill test tube with sample to the 10 ml mark 2 Add...

Страница 11: ...E HR tablet crush and mix to dissolve Allow any undissolved particles to settle 3 Take photometer reading Test 23 HYDROGEN PEROXIDE HIGH RANGE Range 0 100 mg l ppm Colourless Brown Use this test for checking hydrogen peroxide levels in pools treated with PHMB 1 Fill test tube with sample to the 10 ml mark 2 Add one ACIDIFYING PT tablet and one HYDROGEN PEROXIDE HR tablet crush and mix to dissolve ...

Страница 12: ...quired Prepare the test solutions and proceed as follows 1 Select Test 35 2 Carry out alkalinity test then select Follow on from the OPTIONS menu at the results screen 3 Carry out the calcium hardness test then select Follow on from the OPTIONS menu at the results screen 4 Carry out the pH test then select Follow on from the OPTIONS menu at the results screen 5 The Water Balance Index is calculate...

Страница 13: ...s add 0 1 to the index value obtained 2 Always keep the pH Total Alkalinity and Calcium Hardness levels within the limits recommended in pool operating instructions and chemical suppliers recommendations Seek specialist advice if corrosion or scale formation is still apparent even though the water is shown to be in a balanced condition TDS Test TOTAL DISSOLVED SOLIDS Range 0 10 000 mg l TDS Sensor...

Страница 14: ...T RE ORDER CODES PT153 3 TDS Sensor PT 745 Mains Adaptor PT 746 Photometer Computer Cable PT 297 Lab Work Tray PT 361 Measuring Syringe 1 ml PT 500 De Ion Pack Deionised Water Maker PT 501 Test Tube Rack PT 502 Crushing Stirring Rods Pack of 10 PT 510 Sample Container 10 50 100 ml plastic PT 512 Dilution Tube PT 595 5 Round Test Tubes 10 ml glass Pack of 5 PT 518 Wash Bottle for Deionised Water PT...

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