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Metrohm 6.1115.000, Manual

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Table of contents

Optrode

￭￭￭￭￭￭￭￭

III

Table of contents

1 Introduction 

 1

1.1

Description ............................................................................ 1

1.2

Intended use ......................................................................... 1

1.3

Symbols and conventions .................................................... 2

1.4

Recycling and disposal ......................................................... 3

2 Overview 

 4

3 Installation 

 5

3.1

Connecting to a Titrando ..................................................... 5

3.2

Connecting to a Ti-Touch ..................................................... 6

3.3

Connecting to a Titrino plus ................................................ 6

3.4

Power supply with USB power supply unit ........................ 7

3.5

Installing the Optrode .......................................................... 7

4 Operation and maintenance 

 10

4.1

Setting the wavelength ...................................................... 10

4.2

Sensor care .......................................................................... 12

5 Troubleshooting 

 13

5.1

 ............................................................................................. 13

6 Technical specifications 

 15

6.1

Optrode ............................................................................... 15

6.1.1

Measuring mode ................................................................... 15

6.1.2

Resolution ............................................................................. 15

6.1.3

Measuring interval ................................................................. 15

6.1.4

Ambient conditions ............................................................... 15

6.1.5

Power supply ......................................................................... 15

6.1.6

Reference conditions ............................................................. 15

6.1.7

Light sources (LEDs) ............................................................... 15

6.1.8

Safety specifications .............................................................. 16

6.1.9

Electromagnetic compatibility (EMC) ...................................... 16

6.1.10

Dimensions ............................................................................ 16

Index

 17

Summary of Contents for 6.1115.000

Page 1: ...Optrode Manual 8 109 8054EN 2015 10 06 ...

Page 2: ......

Page 3: ...Metrohm AG CH 9100 Herisau Switzerland Phone 41 71 353 85 85 Fax 41 71 353 89 01 info metrohm com www metrohm com Optrode Manual 8 109 8054EN 2015 10 06 dm ebe ...

Page 4: ... techdoc metrohm com This documentation is protected by copyright All rights reserved This documentation has been prepared with great care However errors can never be entirely ruled out Please send comments regarding possible errors to the address above ...

Page 5: ...supply with USB power supply unit 7 3 5 Installing the Optrode 7 4 Operation and maintenance 10 4 1 Setting the wavelength 10 4 2 Sensor care 12 5 Troubleshooting 13 5 1 13 6 Technical specifications 15 6 1 Optrode 15 6 1 1 Measuring mode 15 6 1 2 Resolution 15 6 1 3 Measuring interval 15 6 1 4 Ambient conditions 15 6 1 5 Power supply 15 6 1 6 Reference conditions 15 6 1 7 Light sources LEDs 15 6 ...

Page 6: ...ctor of a Ti Touch 6 Figure 5 Connecting the Optrode to a Ti Touch 6 Figure 6 Power supply at the USB connector of a Titrino plus 6 Figure 7 Connecting the Optrode to a Titrino plus 7 Figure 8 Diagrams showing propeller stirrer sensor and titration tip during a titration a clockwise stirring direction b counterclockwise stirring direction 9 Figure 9 Wavelength display of the Optrode 10 Figure 10 S...

Page 7: ...wer supply to the Optrode s light sour ces and electronic components Metrohm titrators are equipped with USB ports for this purpose In addition a USB power adapter is available to power the Optrode independently The Optrode provides an analog measuring signal and can be connected reliably to any Metrohm titrator at the Ind connector This allows the Optrode to be used for titration like other senso...

Page 8: ...er in the software File New Menu or menu item Next Button or key WARNING This symbol draws attention to a possible life threat ening hazard or risk of injury WARNING This symbol draws attention to a possible hazard due to electrical current WARNING This symbol draws attention to a possible hazard due to heat or hot instrument parts WARNING This symbol draws attention to a possible biological hazar...

Page 9: ...aste from Electrical and Electronic Equipment The correct disposal of your old equipment will help to prevent negative effects on the environment and public health More details about the disposal of your old equipment can be obtained from your local authorities from waste disposal companies or from your local dealer ...

Page 10: ...with power 2 SGJ sleeve 3 Storage vessel 6 2008 040 4 Sensor F plug For connecting to a titrator connector Ind 5 Magnetic switch For switching between the LEDs 6 Optical circuit board With wavelength display 7 Glass shaft 8 Measuring gap Light path 10 mm 9 Photodiode For measuring the intensity of light ...

Page 11: ...tronics and the sensor s light source The actual sensor cable measuring signal has a conventional F plug for connecting to the indicator measuring input Ind on a titrator 3 1 Connecting to a Titrando Figure 2 Power supply at the USB connector of a Titrando Figure 3 Connecting the Optrode to a Titrando ...

Page 12: ...e 3 2 Connecting to a Ti Touch Figure 4 Power supply at the USB connector of a Ti Touch Figure 5 Connecting the Optrode to a Ti Touch 3 3 Connecting to a Titrino plus 6 2151 100 Figure 6 Power supply at the USB connector of a Titrino plus ...

Page 13: ...0 USB power supply unit is available if power to the Optrode cannot be supplied via a titrator s USB port This USB power supply unit can be connected to a socket directly The cable for supplying the Optrode with power can be connected to the USB port on the USB power supply unit 3 5 Installing the Optrode NOTE Ensure that the sensor is not exposed to direct sunlight and avoid dis ruptive light ref...

Page 14: ... the stirring rate is too low then the solution at the sensor will not be mixed correctly In order for the measurement to be taken in a well mixed solution after the addition of the titrant the titration tip should be positioned where tur bulence is high Furthermore the distance between the addition of the titrant and the electrode should be as large as possible Therefore take into account the sti...

Page 15: ...de 9 1 2 3 1 2 3 a b Figure 8 Diagrams showing propeller stirrer sensor and titration tip during a titration a clockwise stirring direction b counter clockwise stirring direction 1 Propeller stirrer 2 Sensor 3 Titration tip ...

Page 16: ...t by the fact that the label is lit in the correspond ing color Figure 9 Wavelength display of the Optrode Table 1 Wavelength ranges LED Color Usable wavelength range nm 470 blue 460 480 502 blue green 485 520 520 green 505 535 574 yellow green 560 585 590 yellow orange 575 605 610 orange 595 625 640 light red 620 655 660 red 650 670 The magnetic switch in the sensor head is used to switch between...

Page 17: ...version 2 5 and higher However this only works if the Optrode is con nected directly to the titrator or control instrument via USB The wavelength is changed as follows in tiamo 1 Double click on the command in the method run 2 Open the General Hardware tab 3 Under Sensor select the option Optrode 4 Under Wavelength select the desired wavelength A wavelength of 610 nm is suggested by default no mat...

Page 18: ... of the LED must have stabilized sufficiently before use Each time you switch on and each time you change the wave length wait at least five minutes before starting the first determination NOTE The wavelength remains set even if the Optrode is switched off or the power supply is interrupted USB connection 4 2 Sensor care The Optrode does not require any special care Store the sensor dry in the sto...

Page 19: ...alts are completely dissolved before adding indicator The sensor is not stable in the titration head Avoid strain on the sensor cable automation The stirring rate is too high or too low Adjust the stirring rate to the beaker size The indicator solution is too old Check the stability usable just for one day in some cases Prepare fresh solution if neces sary Addition of the indicator solution Do not...

Page 20: ...ooth sur faces in the measuring gap see Chapter 4 2 page 12 Signal is too high Constant measured value at approxi mately 900 mV The solution is too bright Use more indicator Too much ambient light present e g direct sun light Protect the measuring equipment from light Optrode is not rec ognized automati cally in tiamo ver sion 2 5 and higher The Optrode firmware is outdated Have the firmware updat...

Page 21: ...al Measuring cycle 3 ms 6 1 4 Ambient conditions Operating temper ature 0 40 C pH range 0 14 6 1 5 Power supply Voltage 4 75 5 25 V DC Power consump tion max 85 mA 6 1 6 Reference conditions Ambient tempera ture 25 C 3 C Instrument status At operating temperature sensor operating for at least 5 minutes 6 1 7 Light sources LEDs Typical wave lengths 470 nm 502 nm 520 nm 574 nm 590 nm 610 nm 640 nm 6...

Page 22: ...y instructions which have to be followed by the user in order to ensure safe operation of the instrument 6 1 9 Electromagnetic compatibility EMC Emission Standards fulfilled EN IEC 61326 1 EN IEC 61000 6 3 EN 55011 CISPR 11 Immunity Standards fulfilled EN IEC 61326 1 EN IEC 61000 6 2 EN IEC 61000 4 2 EN IEC 61000 4 3 6 1 10 Dimensions Shaft diameter 12 mm Sleeve diameter 14 2 mm Height 177 mm Inst...

Page 23: ...wer supply 4 5 6 7 12 15 Power supply unit 7 Propeller stirrer 9 R Resolution 15 S Sensor cable 5 Sensor F plug 4 Socket 7 Stirring direction 8 Stirring rate 8 Storage 12 Sunlight 7 Switch 4 Switch LED 10 11 Symbol 10 T Ti Touch 6 tiamo Switch LED 11 Titrando 5 Titration tip 8 Titrino plus 6 Turbulence 8 U USB Adapter 7 Cable 5 Connector 5 6 Plug 4 Power supply unit 7 W wavelength 10 Wavelength 4 ...

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