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Question: How do I change the

battery? . . . . . . . . . . . . . . . . . . . . . 11

Question: How do I switch the

background lighting of the display

off and on? . . . . . . . . . . . . . . . . . . 14

Question: How do I switch the

countdown on? . . . . . . . . . . . . . . . 13

Question: What does the standard

scope of supply include? . . . . . . . . . 6

Question: What must it clean and

how? . . . . . . . . . . . . . . . . . . . . . . . . 8

Question: What sort of consuma‐

bles are there? . . . . . . . . . . . . . . . 36

Question: What sort of spare parts

are there? . . . . . . . . . . . . . . . . . . . 36

Question: What type of error mes‐

sages are there? . . . . . . . . . . . . . . 16

Question: Where can I find the

Declaration of Conformity? . . . . . . 37

Question: Which standards are

complied with? . . . . . . . . . . . . . . . 37

R

Repeating the analysis . . . . . . . . . 13

Return to the factory calibration  . . 33

S

Safety data sheets . . . . . . . . . . . . . 8

Spare parts . . . . . . . . . . . . . . . . . . 36

Standard scope of supply . . . . . . . . 6

Standards complied with . . . . . . . . 37

Switching on and zero correction . 12

T

Total chlorine (liquid reagents) . . . 19

Total chlorine (tablet) . . . . . . . . . . 25

Z

Zero correction . . . . . . . . . . . . . 8, 12

Index

 

 

 

39

Содержание DULCOTEST DT4B

Страница 1: ...nel Part number 985614 BA DT 052 07 16 EN Please carefully read these operating instructions before use Do not discard The operator shall be liable for any damage caused by installation or operating errors The latest version of the operating instructions are available on our homepage ...

Страница 2: ... its entirety Information This provides important information relating to the correct operation of the unit or is intended to make your work easier Warning information Warning information include detailed descriptions of the hazardous situation The following symbols are used to highlight instructions links lists results and other elements in this document More symbols Symbol Description Action ste...

Страница 3: ...Button Display element e g indicators Operating element e g button switch Display GUI Screen elements e g buttons assignment of function keys CODE Presentation of software elements and or texts Supplemental instructions 3 ...

Страница 4: ...perating instructions 16 3 3 Error messages 16 4 Analysis methods 17 4 1 Procedural instructions when using liquid reagents 17 4 2 Quantitative determination using liquid reagents 19 4 3 Procedure instructions when using tablets 23 4 4 Quantitative determination using tablets 24 5 Calibration 31 6 Technical data 34 7 Consumables and Spare Parts 36 8 Standards Complied with and Declaration of Confo...

Страница 5: ...ubstance The actions required are described in the safety data sheet Check the safety data sheet regu larly and replace if necessary as the hazard potential of a sub stance can be re evaluated at any time based on new findings The system operator is respon sible for ensuring that these safety data sheets are available and that they are kept up to date as well as for producing an associated hazard ...

Страница 6: ...hlorine dioxide chlorite Battery compartment lid with O ring 1 Screwdriver with clip red 1 Countersunk screws 4 Batteries 1 5 V alkali manganese type AA 4 Round cuvettes 10 ml d 24 mm h 48 mm 3 Lid for round cuvette 24 mm grey 3 Sealing rings grey 3 Syringe 10 ml 1 Plastic mixing rod 10 cm long 1 Cleaning brush 1 Measurement beaker plastic 100 ml 1 Disposable cuvette 13 5 mm layer depth Operating ...

Страница 7: ...Description Quan tity Chlorine dioxide No 1 tablets 250 Chlorine dioxide No 2 tablets 250 Glycine tablets 20 General Information 7 ...

Страница 8: ... For cleaning use the supplied brush If the fully reacted water sample is left for any length of time it may pro duce stubborn coloured deposits which you can remove using dilute 4 hydrochloric acid 2 The outer walls of the cuvettes must be clean and dry before the analysis is carried out Fingerprints or water droplets on the light entry surfaces of the cuvette will result in faulty measurements T...

Страница 9: ...ith the cuvette lid closed You must provide the cuvette lid with a sealing ring I to prevent the entrance of light into the sample chamber 6 Formation of bubbles on the inside walls of the cuvette will result in faulty measurements Should this happen seal the cuvette with the cuvette lid and tip it back and forth to dissolve remove the bubbles before carrying out the test 7 It is important to prev...

Страница 10: ... forma tion of condensation in the sample chamber and on the cuvette 10 Protect the device from direct sunlight A0938 Fig 2 Correct filling of the cuvette Left correct right incorrect 11 Fill the cuvette as shown in Fig 2 12 Insert the reagent tablets directly from the blister pack into the water sample without touching them with your fingers 13 After use immediately close the dropping bottles con...

Страница 11: ...screw on the battery compartment lid 1 If the battery is removed for more than 1 minute from the device then when the device is switched on again with new inserted batteries the date time program appears automatically A0939 Fig 3 Battery replacement 1 Battery compartment cover 2 Seal 3 Screw 4 Batteries 5 Rear of the device General Information 11 ...

Страница 12: ...ose the cuvette using the cuv ette lid 5 Position the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 6 Press the key ZERO TEST ð METHOD flashes for approximately 8 seconds 0 0 0 appears in the dis play 7 Remove the cuvette from the sample chamber ð Zero correction is ended Analysis 8 Fill the cuvette up to the 10 ml marking with the water sample see Fig 2 9 Add rea...

Страница 13: ...e result may be incorrect meas urement results The countdown can only be acti vated directly prior to a measure ment The countdown time equals 2 minutes and is non adjustable The currently running countdown can be ended by pressing the key ZERO TEST The measurement then takes place immediately For methods with a reaction time you can optionally switch on a countdown function 1 Press the key and th...

Страница 14: ...key for more than 4 seconds then release the key again ð The display immediately switches to the memory menu 2 Press the MODE key to scroll through the 16 data records 3 Press the ZERO TEST key to scroll through the values of a data record 4 Press the key to return to the METHOD display Display background lighting Press the key ð The display s background lighting switches on or off During measurin...

Страница 15: ...ime operating menu item arrow at top right and bottom left in the display Setting date and time 24 hour format Increase the value to be set by pressing the MODE key Lower the value to be set by pressing the ZERO TEST key Pressing the key takes you to the next value to be set 1 Press the MODE key ð The parameter to be set appears for 2 seconds 2 Enter the year YYYY 3 Enter the month MM 4 Enter the ...

Страница 16: ...er when the result is shown in the display an arrow appears in the Cal position 3 3 Error messages Display Meaning E 27 E 28 E 29 Light absorption too great Cause e g dirty optics E 10 E 11 Calibration factor outside the permissible range E 20 E 21 Detector receives too much light E 23 E 24 E 25 Detector receives too much light E 22 The battery power was too low during the measurement Replace the ...

Страница 17: ...he individual determination of free chlorine and total chlorine see EN ISO 7393 2 section 5 3 Label the lid and base of the cuvette set so that there can be no inadvertent confusion of the cuvettes 3 When preparing water samples avoid the outgassing of chlorine dioxide ozone e g by pipetting and shaking This applies partic ularly for the dissolved gases chlorine dioxide and ozone especially at tem...

Страница 18: ...g additional steps To differentiate between chlorine and chlorine dioxide see Chlorine with liquid reagent method section d To differen tiate between chlorine and ozone see Chlorine with liquid reagent method section e 9 In water containing bromide and iodide primarily seawater the free and as the case may be bound halogens formed by chlorination are designated as chlorine A steady increase in the...

Страница 19: ...n the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 8 Press the key ZERO TEST ð METHOD flashes for approximately 3 seconds The result in mg l of free chlorine appears in the dis play b Total chlorine 1 Take your cuvette set 2 2 In a 24 mm cuvette add a 10 ml water sample and carry out a zero correction see Ä Switching on and zero cor rection on page 12 3 Remove th...

Страница 20: ...lved 4 In a second 24 mm cuvette add a 10 ml water sample and carry out a zero correction see Ä Switching on and zero cor rection on page 12 5 Remove the cuvette from the sample chamber for the zero correction and empty the cuv ette out 6 Hold the dropping bottle upright and by slow pressing add equal sized drops into the cuvette n 6 drops DPD 1 buffer sol ution n 2 drops DPD 1 reagent solution 7 ...

Страница 21: ... dropping bottle upright and by slow pressing add equal sized drops into the cuvette n 3 drops DPD 3 solution 20 Close the cuvette using the cuv ette lid 21 Mix the contents of the cuvette by tipping it back and forth 22 Position the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 23 Switch the countdown on see Ä Switching the countdown function on on page 13 To do ...

Страница 22: ... ution n 2 drops DPD 1 reagent solution Fill the cuvette up to the 10 ml marking with the water sample 4 Close the cuvette using the cuv ette lid 5 Mix the contents of the cuvette by tipping it back and forth 6 Position the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 7 Press the key ZERO TEST ð METHOD flashes for approximately 3 seconds The result in mg l of chl...

Страница 23: ...ine dioxide e g by pipetting and shaking This applies particularly for the dis solved gases chlorine dioxide and ozone especially at tem peratures 30 C You must carry out the analysis immedi ately after taking the sample 4 The DPD colour development takes place at a pH value of 6 2 to 6 5 Therefore the reagents contain a buffer for pH value adjustment You must ensure strongly alkaline or acidic wa...

Страница 24: ...et method section D Chlorine together with chlorine dioxide To differ entiate between chlorine and ozone see Chlorine with tablet method 8 In water containing bromide and iodide the free and as the case may be bound halogens formed by chlorination are stated as chlorine A steady increase in the measured value of a water sample therefore indicates that alongside the selected oxidising agent a furth...

Страница 25: ...Press the key ZERO TEST ð METHOD flashes for approximately 3 seconds The result in mg l of free chlorine appears in the dis play b Total chlorine 1 Take your cuvette set 2 2 In a 24 mm cuvette add a 10 ml water sample and carry out a zero correction see Ä Switching on and zero cor rection on page 12 3 Remove the cuvette from the sample chamber and empty the cuvette down to the last few drops 4 Ins...

Страница 26: ...issolved 4 In a second 24 mm cuvette add a 10 ml water sample and carry out a zero correction see Ä Switching on and zero cor rection on page 12 5 Remove the cuvette from the sample chamber for the zero correction and empty the cuv ette out 6 Insert a DPD No 1 tablet directly from the foil into the water sample and crush the DPD No 1 tablet with a stirring rod 7 Pour the contents of the first cuve...

Страница 27: ... DPD No 3 tablet directly from the foil into the same water sample and crush the DPD No 3 tablet with a stirring rod 22 Close the cuvette using the cuv ette lid 23 Mix the contents of the cuvette by tipping it back and forth until the tablet has dissolved 24 Position the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 25 Switch the countdown on see Ä Switching the c...

Страница 28: ...d 4 Fill the cuvette up to the 10 ml marking with the water sample 5 Close the cuvette using the cuv ette lid 6 Mix the contents of the cuvette by tipping it back and forth until the tablet has dissolved 7 Position the cuvette in the sample chamber ð Observe the correct posi tioning of the cuvette 8 Press the key ZERO TEST ð METHOD flashes for approximately 3 seconds The result in mg l of chlorine...

Страница 29: ... the square plastic vessel up to the 10 ml marking with the chlorine dioxide free water sample 7 Stir the water sample until the crushed tablets have completely dissolved 8 Insert two DPD chlorine dioxide no 2 tablets from the blister packet directly into the square plastic vessel Do not crush the tablets Stir the water sample with a clean stirring rod 9 Decant the contents of the square plastic v...

Страница 30: ...chlorine dioxide and chlorite with the DPD chlorine dioxide no 1 tablets and DPD chlorine dioxide no 2 tablets the DPD measure ment outputs a total value However as the chlorine dioxide is easily outgassed from the sample it is recom mended that prior to the chlorite determination the chlorine dioxide is com pletely driven off as described in the sample preparationÄ Chlorite with tablet 0 03 2 5 m...

Страница 31: ... separate calibration of the chlorine dioxide or chlorite meas uring ranges is not possible The chlorine CL measuring range calibration is relied on User calibration display in calibration mode cCAL Factory calibration display in calibra tion mode cCAL 1 Confirm the selection by pressing the MODE key ð The display toggles between CAL METHOD 2 Select the method to be cali brated using the MODE key ...

Страница 32: ...ximately 3 seconds The confirmation of the result alternates with CAL 13 If the result matches the value of the standard used within the tolerance under consideration you can quit calibration mode by pressing the ON OFF key Changing the displayed value Pressing the MODE key 1 x increases the displayed result by 1 digit Pressing the ZERO TEST key 1 x reduces the displayed result by 1 digit 1 Repeat...

Страница 33: ...TEST 2 Switch the device on using the ON OFF key ð After approximately 1 second release MODE and ZERO TEST 3 The display toggles between SEL and CAL ð The device is in the as sup plied condition SEL stands for Select 4 or 5 The display toggles between SEL and cAL ð The device operates with an adjustment performed by the user If the user adjust ment is to be retained switch off the device using the...

Страница 34: ...perating time or 15 000 measure ments in continuous operation with background lighting switched off Auto OFF Automatic device switch off 10 minutes after the last key was pressed Display Backlit LCD upon pressing of a key Memory Internal ring buffer for 16 data records Time Real time clock and date Calibration Fabrication and user calibration Return to the factory calibration possible Dimensions 1...

Страница 35: ...The specified device accuracy is only obtained when using the original reagent system Technical data 35 ...

Страница 36: ...hlorine dioxide tables No 1 250 no 1039732 Chlorine dioxide tables No 2 250 no 1039733 Foamer to drive out chlorine dioxide 1022754 Glycine tablets 20 no 1061944 Spare parts Material Part number 3 no round cuvettes d 24 mm h 48 mm with lid replacement cuvettes for n DPD identification 1007566 Consumables and Spare Parts 36 ...

Страница 37: ...ion of Conformity Declaration of Conformity You will find the EC Declaration of Conformity to download on our home page Standards complied with EC EMC Directive 2004 108 EC EN 61326 1 Standards Complied with and Declaration of Conformity 37 ...

Страница 38: ...playing stored data 14 E EN ISO 7393 2 section 5 3 17 23 Error messages 16 F Free chlorine liquid reagents 19 Free chlorine tablet 25 G General non discriminatory approach 2 I IP 68 34 L Links to elements or sections of these instructions or other appli cable documents 2 M Material safety data sheet 5 More symbols 2 N Non discriminatory approach 2 P Photometer leak tightness 11 Q Question For whic...

Страница 39: ... there 36 Question What sort of spare parts are there 36 Question What type of error mes sages are there 16 Question Where can I find the Declaration of Conformity 37 Question Which standards are complied with 37 R Repeating the analysis 13 Return to the factory calibration 33 S Safety data sheets 8 Spare parts 36 Standard scope of supply 6 Standards complied with 37 Switching on and zero correcti...

Страница 40: ...985614 2 en_GB 2016 ProMinent GmbH Im Schuhmachergewann 5 11 69123 Heidelberg Germany Telephone 49 6221 842 0 Fax 49 6221 842 419 Email info prominent com Internet www prominent com ...

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