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Summary of Contents for Metrohm Titrando 890
- Page 1 890 Titrando Manual 8.890.8002EN / 2020-02-11...
- 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 890 Titrando Manual 8.890.8002EN / 2020-02-11...
- Page 4 Technical Communication Metrohm AG CH-9100 Herisau techcom@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.
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Page 5: Table Of Contents
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents Table of contents 1 Introduction The Titrando system ............. 1 Instrument description ............2 Titration modes – Measuring modes – Dosing com- mands ..................2 About the documentation ........... 3 1.4.1 Symbols and conventions ............3 Safety instructions .............. - Page 6 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents 5 Operation and maintenance General notes ..............26 5.1.1 Care ..................26 5.1.2 Maintenance by Metrohm Service .......... 26 6 Troubleshooting General ................27 Karl Fischer titration ............28 6.2.1 ..................... 28 7 Appendix Remote interface ..............30 7.1.1...
- Page 7 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures Table of figures Figure 1 The Titrando system ................1 Figure 2 Front 890 Titrando ................7 Figure 3 Rear 890 Titrando ................8 Figure 4 Connecting the Touch Control ............10 Figure 5 Connecting the computer ..............13 Figure 6 MSB connections ................
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Page 9: Introduction
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction 1 Introduction The Titrando system The Titrando is the heart of the modular Titrando system. Operation is car- ried out either by a Touch Control with a touch-sensitive screen ("stand- alone titrator") or by a computer with a corresponding software. A Titrando system can contain numerous, various kinds of instruments. -
Page 10: Instrument Description
￭ An internal dosing drive for exchange units. MSB connectors ￭ Four MSB connectors (Metrohm Serial Bus) for connecting dosing devi- ces (Dosimat with exchange unit or Dosino with dosing unit), stirrers, titration stands and Remote Boxes. USB connectors ￭... -
Page 11: About The Documentation
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction MEAS ￭ The following measuring modes can be selected for measurements: – Ipol (voltametric measurement with selectable polarization cur- rent) – Upol (amperometric measurement with selectable polarization voltage) Dosing commands ￭ The following commands for dosing can be selected: –... -
Page 12: Safety Instructions
1.5.2 Electrical safety The electrical safety when working with the instrument is ensured as part of the international standard IEC 61010. WARNING Only personnel qualified by Metrohm are authorized to carry out service work on electronic components. ￭￭￭￭￭￭￭￭ 890 Titrando... -
Page 13: Working With Liquids
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction WARNING Never open the housing of the instrument. The instrument could be damaged by this. There is also a risk of serious injury if live components are touched. There are no parts inside the housing which can be serviced or replaced by the user. -
Page 14: Flammable Solvents And Chemicals
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1.5 Safety instructions 1.5.4 Flammable solvents and chemicals WARNING All relevant safety measures are to be observed when working with flammable solvents and chemicals. Set up the instrument in a well-ventilated location (e.g. fume cup- ￭ board). Keep all sources of flame far from the workplace. ￭... -
Page 15: Overview Of The Instrument
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Overview of the instrument 2 Overview of the instrument Figure 2 Front 890 Titrando Guide openings Piston rod For centering the exchange unit. Moves the piston of the exchange unit up and down. Contact pins Coupling For the data chip. For switching the flat stopcock. -
Page 16: Figure 3 Rear 890 Titrando
USB Sample Processor, etc. Connector (Controller) MSB connector (MSB 1 to MSB 4) For connecting a Touch Control or a PC with Metrohm Serial Bus. For connecting external installed PC software. Mini DIN, 9-pin. dosing devices, stirrers or Remote Boxes. Mini DIN, 9-pin. -
Page 17: Installation
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation 3 Installation Setting up the instrument 3.1.1 Packaging The instrument is supplied in protective packaging together with the sepa- rately packed accessories. Keep this packaging, as only this ensures safe transportation of the instrument. 3.1.2 Checks Immediately after receipt, check whether the shipment has arrived com- plete and without damage by comparing it with the delivery note. -
Page 18: Figure 4 Connecting The Touch Control
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.2 Connecting a controller 3.2.1.1 Connecting a Touch Control NOTICE The plug is protected against accidental disconnection of the cable by means of a pull-out protection feature. If you wish to pull out the plug, you first need to pull back the outer plug sleeve marked with arrows. Connect the Touch Control as follows: Insert the plug of the Touch Control connection cable into the ￭... - Page 19 Unplug the power plug immediately if you suspect that moisture has ￭ gotten inside the instrument. Only personnel who have been issued Metrohm qualifications may ￭ perform service and repair work on electrical and electronic parts. Connecting the power cord...
- Page 20 Using a 6.2151.000 con- troller cable, the instrument can be connected directly, either to a USB socket on a computer, to a connected USB hub or to a different Metrohm control instrument.
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Page 21: Figure 5 Connecting The Computer
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation 6 .2 1 5 1 .0 0 0 Figure 5 Connecting the computer The instrument is recognized. Depending on the version of the Win- dows operating system used, the driver installation proceeds differ- ently afterwards. Either the necessary driver software is installed automatically or an installation wizard is started. -
Page 22: Connecting Msb Devices
In order to connect MSB devices, e.g. stirrers or dosing devices, Metrohm instruments are equipped with up to a maximum of four connectors on what is referred to as the Metrohm Serial Bus (MSB). Various kinds of peripheral devices can be connected in sequence (in series, as a "Daisy Chain") at a single MSB connector (8-pin Mini DIN socket) and con-... -
Page 23: Connecting A Dosing Device
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation NOTICE When connecting MSB devices together, the following must be observed: Only one device of the same type can be used at a single MSB con- ￭ nector at one time. Dosing devices of the 700 Dosino and 685 Dosimat plus type cannot ￭... -
Page 24: Connecting A Stirrer Or Titration Stand
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.3 Connecting MSB devices Figure 7 Connecting a dosing device 3.3.2 Connecting a stirrer or titration stand You can use the following instruments: These devices have a built-in magnetic stirrer (stirring "from below"): 801 Stirrer ￭ 803 Ti Stand ￭... -
Page 25: Connecting A Remote Box
Instruments that are controlled via remote lines and/or that send control signals via remote lines can be connected via the 6.2148.010 Remote Box. In addition to Metrohm, other instrument manufacturers also use similar connectors that make it possible to connect different instruments together. -
Page 26: Connecting Usb Devices
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.4 Connecting USB devices Connect the Remote Box connection cable to one of the sockets ￭ marked with MSB on the rear of the control instrument. Start the control software. ￭ Figure 10 Connecting the Remote Box You can connect the following instruments to the remote connector, among others: 849 Level Control (fill level monitoring in a canister) ￭... -
Page 27: Connecting A Usb Hub
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation CAUTION If you operate the 890 Titrando with the aid of the Touch Control, take care to ensure that the Touch Control is switched off when you set up or disconnect connections between the various instruments. If you use a PC software to control the 890 Titrando, you should exit the program before you set up or disconnect the USB connections. -
Page 28: Connecting A Balance
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.4 Connecting USB devices 4 Configure the printer in the device manager of the Touch Control (see Touch Control manual). Figure 11 Connecting a printer 3.4.4 Connecting a balance Operation with a PC software: ￭ – Connect the balance directly to the serial connector (COM) of the computer. -
Page 29: Connecting A Pc Keyboard (Only For Operation With Touch Control)
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation Balance Cable Mettler AE with interface option 6.2125.020 + 6.2125.010 011 or 012 Also from Mettler: ME 42500 hand switch or ME 46278 foot switch Ohaus Voyager, Explorer, Analyti- Cable AS017-09 from Ohaus cal Plus Precisa balances with RS-232-C 6.2125.080 + 6.2125.010 interface Sartorius MP8, MC, LA, Genius,... -
Page 30: Connecting A Barcode Reader
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.4 Connecting USB devices 2 Switch on the Touch Control. The keyboard is recognized automatically and entered in the device manager. 3 Configure the keyboard in the device manager of the Touch Control (see Touch Control manual). 3.4.6 Connecting a barcode reader The barcode reader is used as an aid for text and numerical input. -
Page 31: Connecting Sensors
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation 4 Program the barcode reader in such a way that the ASCII character 02 (STX or Ctrl B) is sent as the first character. This first character is normally referred to as the "Preamble" or "Prefix Code". 5 Program the barcode reader in such a way that the ASCII character 04 (EOT or Ctrl D) is sent as the last character. -
Page 32: Working With The Exchange Unit
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Working with the exchange unit The exchange unit (806 Exchange Unit) has an integrated data chip that makes it possible to store data about the exchange unit and for the reagent. The data is edited in the Touch Control or in the PC software. The start-up of the exchange unit is described in the manual for the exchange unit. - Page 33 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Working with the exchange unit automatic rotation of the flat stopcock and then returns it to the exchange position (dosing position). The Status LED will be continu- ously illuminated once this has been accomplished. The following table contains a summary of which operating statuses of the internal dosing device are displayed by the Status LED: Status of the Description...
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Page 34: Operation And Maintenance
Maintenance by Metrohm Service Maintenance of the 890 Titrando is best carried out as part of an annual service, which is performed by specialist personnel of the Metrohm com- pany. A shorter maintenance interval may be necessary if you frequently work with caustic and corrosive chemicals. -
Page 35: Troubleshooting
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Troubleshooting 6 Troubleshooting General Problem Cause Remedy The "On" LED is not The Touch Control or the 1. Check the plug connections. illuminated, even computer has not been 2. Switch on the Touch Control or the com- though the instru- switched on yet or the puter. -
Page 36: Karl Fischer Titration
Remedy 2. Remove and clean the exchange unit (see the chapter in the manual for the exchange unit, "Care and upkeep"). 3. Contact your local Metrohm Service department if necessary. The data of the exchange Contact your local Metrohm Service ￭... - Page 37 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Troubleshooting Problem Cause Remedy Select a short delay time. ￭ See also: The drift becomes greater after each titration. The sample is over- The increments at the end Select the user-defined titration rate and ￭ titrated. of the titration are too reduce the dosing rate (see manual/help of high.
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Page 38: Appendix
For connecting instruments with a remote interface. 7.1.1 Pin assignment of the remote interface Figure 15 Pin assignment of remote socket and remote plug The above figure of the pin assignment applies for all Metrohm instru- ments with 25-pin D-Sub remote connector. ￭￭￭￭￭￭￭￭ 890 Titrando... - Page 39 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 7 Appendix Inputs +5 V approx. 50 kΩ Pull-up > 20 ms active = low, inactive = high Outputs Open Collector > 200 ms active = low, inactive = high = 20 mA, V = 40 V +5 V: maximum load = 20 mA The following tables offer information concerning the assignment of the individual pins and their function: Table 1...
- Page 40 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 7.1 Remote interface Assignment Pin No. Function Output 8 Output 9 Output 10 Output 11 Output 12 Output 13 0 volts / GND +5 volts 0 volts / GND * Signal activated only for operation with Touch Control. Table 2 Explanation of the individual functions Function Explanation...
- Page 41 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 7 Appendix Function Explanation Warning The line is set for warning message display. ￭￭￭￭￭￭￭￭ 890 Titrando...
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Page 42: Technical Specifications
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 8.1 Measuring interface 8 Technical specifications Measuring interface The 890 Titrando has one measuring input for polarizable electrodes. The measuring cycle is 100 ms for all measuring modes. 8.1.1 Polarizer One measuring input (Pol.) for polarizable electrodes. Measuring mode Determination with adjustable polarization current Ipol Polarization cur-... -
Page 43: Internal Dosing Device
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 8 Technical specifications Internal dosing device Cylinder volume of 1 mL, 5 mL, 10 mL, 20 mL or 50 mL the exchange unit Resolution 20000 steps per cylinder volume Power connection Supply voltage 100 - 240 V Frequency 50 - 60 Hz Power consump- Maximum 45 W tion... -
Page 44: Dimensions
USB ports 2 USB downstream ports (type A sockets), 500 mA each, for connect- ing peripheral devices such as printers, keyboards, barcode readers or RS-232/USB boxes (Metrohm order no. 6.2148.020). "Controller" connector Controller port USB upstream port with auxiliary power supply (Mini DIN socket) for connecting Touch Control or computer for controlling the 890 Titrando. -
Page 45: Accessories
Internet. You can download this information using the article number as follows: Downloading the accessories list 1 Enter https://www.metrohm.com/ into your Internet browser. 2 Enter the article number (e.g. 890) into the search field. The search result is displayed. -
Page 46: Index
Measuring interface ....2, 8 Connect ......10 USB hub ......19 Measuring mode ......2 Connector MEAS ........3 MSB ........2 Metrohm Serial Bus MSB, see also Update USB ........2 "MSB" ........14 Device software ....2 Controller Connector ......8 Connect devices ....
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