ProMinent DULCOTEST DT4B Operating Manual
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ProMinent DULCOTEST DT4B Operating Manual

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Operating manual
DULCOTEST
DT4B
®
Photometer
EN
A0946
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.
Part number: 985614
Target group: instructed personnel
BA DT 052 07/16 EN

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  • Page 1 Operating manual DULCOTEST DT4B ® Photometer A0946 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. Part number: 985614 Target group: instructed personnel BA DT 052 07/16 EN...
  • Page 2 Supplemental instructions General non-discriminatory approach In order to make it easier to read, this document uses the male form in grammatical structures but with an implied neutral sense. It is aimed equally at both men and women. We kindly ask female readers for their understanding in this simplification of the text.
  • Page 3 Supplemental instructions Symbol Description [Button] Display element (e.g. indicators). Operating element (e.g. button, switch). ‘Display Screen elements (e.g. buttons, assignment of function keys). /GUI’ Presentation of software elements and/or texts. CODE...

  • Page 4: Table Of Contents

    Table of contents Table of contents General Information................... 5 1.1 Scope of delivery................6 1.2 Instructions for use................8 1.3 Operations carried out on the device..........11 DT4B commissioning................12 2.1 Commissioning................12 Operating Menu..................15 3.1 Operating Menu Options..............15 3.2 Operating instructions..............

  • Page 5: General Information

    General Information General Information WARNING! Danger from hazardous sub‐ stances! Possible consequence: Fatal or very serious injuries. Please ensure when handling hazardous substances that you have read the latest safety data sheets provided by the manufac‐ ture of the hazardous substance. The actions required are described in the safety data sheet.

  • Page 6: Scope Of Delivery

    The following components are included as standard: Description Quan‐ tity Case, blue with blue fasteners – with ProMinent sticker, Dulcotest DT4B photometer, code 1039318 – and danger symbol Foam insert for the case Cover foam for the case Photometer DT4B –...
  • Page 7 General Information Description Quan‐ tity Chlorine dioxide No. 1 tablets Chlorine dioxide No. 2 tablets Glycine tablets...

  • Page 8: Instructions For Use

    General Information Instructions for use Request the safety data sheets. – Reagents are intended for chemical analysis and access to them by – unauthorised persons must not be permitted. You must dispose of reagent solutions properly. – Observe the application possibilities, analysis instruction and matrix –...
  • Page 9 General Information A0937 Fig. 1: Cuvette positioning (Ø 24 mm): Seal II. Marking with the white triangle For the zero correction and test, the cuvette must be positioned in the sample chamber in such a way that the marking with the white triangle (II.) points towards the housing marking.
  • Page 10 General Information Dirt in the transparent sample chamber leads to incorrect measurement results. The light entry surfaces should be checked at regular intervals and cleaned as necessary. Standard spectacle cleaning cloths and cotton buds are suitable for cleaning. Pronounced differences in temperature between the photometer and the surroundings can lead to incorrect measurements, e.g.

  • Page 11: Operations Carried Out On The Device

    General Information Operations carried out on the device Battery replacement: To ensure complete leak-tightness of the photometer, you must insert the gasket (2) and 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.

  • Page 12: Dt4B Commissioning

    DT4B commissioning DT4B commissioning Commissioning [METHOD] flashes for ð approximately 8 seconds. Switching on and zero correction [0.0.0] appears in the dis‐ play. Scroll memory (SM) Remove the cuvette from the With multi-parameter devices the sample chamber sequence of the various methods ð...
  • Page 13 DT4B commissioning Switching the countdown function on The result is automati‐ NOTICE! cally saved. If reaction times are not observed, the result may be incorrect meas‐ urement results. Repeating the analysis [ZERO/TEST] Press the key again The countdown can only be acti‐ ð...
  • Page 14 DT4B commissioning Displaying stored data The device has a ring buffer for 16 data records. Fig. 4: Displaying stored data 1. Data record (n01 ... n16) 5. Measured variable (e.g. chlorine, 2. Year dependent upon the device ver‐ 3. Month/day sion) 4.

  • Page 15: Operating Menu

    Operating Menu Operating Menu Operating Menu Options Setting date and time (24-hour format) Operating menu selection The device is switched off. Press and hold down the [MODE] key Increase the value to be set by pressing the [MODE] key. [ON/OFF] key to switch Use the on the device Lower the value to be set by...

  • Page 16: Operating Instructions

    Operating Menu Operating instructions Display Meaning Measuring range exceeded or turbidity too high. Measuring range undershot. Change the batteries immediately, continuing work impossible. btLo Battery voltage for background lighting too low, although measurement is possible. With a method adjusted by the user, when the result is shown in the display, an arrow appears [Cal] position.

  • Page 17: Analysis Methods

    Analysis methods Analysis methods Procedural instructions when using liquid reagents Label the lid and base of the cuvette set so that there can be no inadvertent confusion Consider error propagation based of the cuvettes. on the possible tolerances of the individual methods when calcu‐...
  • Page 18 Analysis methods ð can lead to results within the In water containing bromide and measuring range down to 0 iodide (primarily seawater), the mg/l. In this case, dilute the free and, as the case may be, water sample with water bound halogens formed by free from oxidizing agent chlorination are designated as...

  • Page 19: Quantitative Determination Using Liquid Reagents

    Analysis methods Quantitative determination [METHOD] flashes for ð using liquid reagents approximately 3 seconds. Chlorine with liquid reagents 0.01 ... The result in mg/l of free 4.0 mg/l chlorine appears in the dis‐ play. [MODE] key to select [Cl] . Use the a) Free chlorine b) Total chlorine...
  • Page 20 Analysis methods Switch the countdown on, see In a second 24 mm cuvette add Ä ‘ Switching the countdown a 10 ml water sample and carry function on’ on page 13 . To do out a zero correction, see [!] and Ä...
  • Page 21 Analysis methods Hold the dropping bottle upright Position the cuvette in the and by slow pressing, add equal sample chamber sized drops into the cuvette: ð Observe the correct posi‐ tioning of the cuvette 6 drops ➨ DPD 1 buffer sol‐ ution Switch the countdown on, see 2 drops ➨...
  • Page 22 Analysis methods Chlorine dioxide with liquid reagents 0.02 ... 7.6 mg/l [MODE] key to select [CdO] . Use the Measuring tolerances when determining the chlorine In a 24 mm cuvette add a 10 ml dioxide content: water sample and carry out a zero correction, see 0 ...

  • Page 23: Procedure Instructions When Using Tablets

    Analysis methods Procedure instructions when solved gases chlorine dioxide using tablets and ozone, especially at tem‐ peratures > 30 °C. You must carry out the analysis immedi‐ ately after taking the sample. When calculating non-directly The DPD colour development determinable parameters from takes place at a pH-value of 6.2 individual measured values error to 6.5.

  • Page 24: Quantitative Determination Using Tablets

    Analysis methods urements. In this case, you In water containing bromide and must use the alternative reagent iodide, the free and, as the case tablet may be, bound halogens formed [DPD no. 1 High Calcium] . If the by chlorination are stated as turbidity only appears after the chlorine.
  • Page 25 Analysis methods Chlorine with tablets 0.01 ... 6.0 mg/l The result in mg/l of free chlorine appears in the dis‐ [MODE] key to select [Cl] . Use the play. a) Free chlorine Take your cuvette set 1 b) Total chlorine In a 24 mm cuvette add a 10 ml Take your cuvette set 2 water sample and carry out a...
  • Page 26 Analysis methods Switch the countdown on, see In a second 24 mm cuvette add Ä ‘ Switching the countdown a 10 ml water sample and carry function on’ on page 13 . To do out a zero correction, see [!] and Ä...
  • Page 27 Analysis methods Fill a cuvette with a few drops of Mix the contents of the cuvette a water sample by tipping it back and forth, until the tablet has dissolved [DPD No. 1] tablet Insert a directly from the foil into the Position the cuvette in the water sample and crush the sample chamber...
  • Page 28 Analysis methods Chlorine dioxide with tablet 0.02 ... 11 mg/l [MODE] key to select [CdO] . Use the Measuring tolerances when determining the chlorine In a 24 mm cuvette add a 10 ml dioxide content: water sample and carry out a zero correction, see 0 ...
  • Page 29 Analysis methods Chlorite with tablet 0.03 ... 2.5 mg/l Insert two [DPD chlorine dioxide no. 2] In a 24 mm cuvette add a 10 ml tablets from the blister packet water sample and carry out a directly into the square plastic zero correction vessel.
  • Page 30 Analysis methods Measurement tolerances: 0 ... 0.48 mg/l: ± 0.02 – mg/l > 0.48 ... 0.95 mg/l: ± – 0.05 mg/l > 0.95 ... 1.43 mg/l: ± – 0.10 mg/l > 1.43 ... 1.90 mg/l: ± – 0.14 mg/l > 1.90 ... 2.50 mg/l: ± –...

  • Page 31: Calibration

    Calibration Calibration The device is switched off. User calibration Press and hold down the [MODE] key NOTICE! [ON/OFF] key to switch Use the on the device A separate calibration of the chlorine dioxide or chlorite meas‐ ð 3 decimal points appear in uring ranges is not possible.
  • Page 32 Calibration The confirmation of the zero Changing the displayed value: [0.0.0] alternates correction [CAL] . with Remove the cuvette from the Pressing the [MODE] key 1 x sample chamber and empty the increases the displayed result by cuvette completely 1 digit. Thoroughly clean the cuvette Pressing the [ZERO/TEST] key 1 and the cuvette lid...
  • Page 33 Calibration Return to the factory calibration 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 Returning from user adjustment to [ON/OFF] key. factory calibration is only possible simultaneously for all methods.

  • Page 34: Technical Data

    Technical data Technical data Device Two wavelengths, automatic wavelength selection, colorimeter with direct measured value display Optics LEDs, interference filter (IF) and photo sensor at the transparent sample chamber Wavelength specifications of the interference filter: 530 nm Δλ = 5 nm Wavelength trueness ±...
  • Page 35 Technical data The specified device accuracy is only obtained when using the original reagent system.

  • Page 36: Consumables And Spare Parts

    Consumables and Spare Parts Consumables and Spare Parts Consumables Material Part number DPD 1 tablets (100 no.) 1061892 DPD 3 tablets (100 no.) 1061893 Chlorine 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.)

  • Page 37: Standards Complied With And Declaration Of Conformity

    Standards Complied with and Declaration of Conformity Standards Complied with and Declaration 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...

  • Page 38: Index

    Index Index Action, step by step ... . . 2 General non-discriminatory approach ..... 2 Battery compartment cover .
  • Page 39 Index Question: How do I change the battery? ..... 11 Repeating the analysis ..13 Question: How do I switch the Return to the factory calibration .
  • Page 40 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 985614, 2, en_GB © 2016...

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