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Related Manuals for Metrohm 867 pH Module
Summary of Contents for Metrohm 867 pH Module
- Page 1 867 pH Module Manual 8.867.8003EN / 2020-03-03...
- 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 867 pH Module Manual 8.867.8003EN / 2020-03-03...
- 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
Connecting a pH, metal or ion-selective electrode ....23 3.5.2 Connecting a reference electrode .......... 24 3.5.3 Connecting a polarizable electrode ........24 3.5.4 Connecting a temperature sensor or an electrode with inte- grated temperature sensor ............. 25 3.5.5 Connecting the iConnect ............25 ￭￭￭￭￭￭￭￭ 867 pH Module... - Page 6 Table of contents 4 Operation and maintenance General notes ..............29 4.1.1 Care ..................29 4.1.2 Maintenance by Metrohm Service .......... 29 5 Troubleshooting General ................30 6 Appendix Remote interface ..............32 6.1.1 Pin assignment of the remote interface ........32 7 Technical specifications Measuring interface ............
- Page 7 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures Table of figures Figure 1 867 pH Module system ..............1 Figure 2 Front 867 pH Module ................ 7 Figure 3 Rear 867 pH Module ................. 8 Figure 4 Connecting the Touch Control ............10 Figure 5 Connecting the computer ..............
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Page 9: Introduction
Dosing Interface Robotic Titrosampler Relay Box Cond. cell Controller Remote Box Printer 867 pH Module PC Keyboard Barcode Reader Dosimat USB Hub Status Dosino Balance Titrando Stirrer / Ti Stand Figure 1 867 pH Module system ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 10: Instrument Description
Dosinos and Dosimats can be used for dosing. Dosing is required for standard additions and when auxiliary solutions are to be dosed. MSB connectors ￭ Four MSB connectors (Metrohm Serial Bus) for connecting dosing devi- ces (Dosimat with exchange unit or Dosino with dosing unit), stirrers and Remote Boxes. USB connectors ￭... -
Page 11: About The Documentation
1.4.1 Symbols and conventions The following symbols and formatting may appear in this documentation: Cross-reference to figure legend The first number refers to the figure number, the sec- ond to the instrument part in the figure. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 12: Safety Instructions
Operate this instrument only according to the information contained in this documentation. This instrument left the factory in a flawless state in terms of technical safety. To maintain this state and ensure non-hazardous operation of the instrument, the following instructions must be observed carefully. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 13: 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. WARNING Never open the housing of the instrument. The instrument could be damaged by this. -
Page 14: Working With Liquids
The correct disposal of your old instrument will help to prevent negative effects on the environment and public health. More details about the disposal of your old instrument can be obtained from your local authorities, from waste disposal companies or from your local dealer. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 15: Overview Of The Instrument
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Overview of the instrument 2 Overview of the instrument Figure 2 Front 867 pH Module "On" LED Lights up when the pH Module is ready for operation. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 16: Figure 3 Rear 867 Ph Module
USB Sample Pro- voltage, instrument type and serial number. cessor, etc. Power socket 10 MSB connector (MSB 1 to MSB 4) Metrohm Serial Bus. For connecting external dosing devices, stirrers or Remote Boxes. Mini DIN, 9-pin. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 17: Installation
Two different versions are available for operating the 867 pH Module: A Touch Control with touch-sensitive screen. It forms a "stand-alone ￭ instrument" together with the 867 pH Module. A computer enables operation of the 867 pH Module with the help of ￭ a PC software, e.g. tiamo. CAUTION... -
Page 18: Figure 4 Connecting The Touch Control
Automatic system tests are performed on both instruments at the time of activation. The On LED on the front of the pH Module lights up when the system test has been completed and the instrument is ready for operation. ￭￭￭￭￭￭￭￭ 867 pH Module... - 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 3.2.1.3 Connecting a computer The 867 pH Module requires a USB connection to a computer in order to be able to be controlled by a computer software. Using a 6.2151.000 controller 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 Follow the instructions of the installation wizard. The "On" LED on the 867 pH Module lights up when the driver installation has been completed and the instrument is ready for oper- ation. -
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
1 Connecting a dosing device Exit the control software. ￭ Connect the connection cable of the dosing device to one of the ￭ sockets marked with MSB on the rear of the control device. Start the control software. ￭ ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 24: Connecting A Stirrer Or Titration Stand
MSB on the rear of the control instrument. 804 Ti Stand only: Connect the rod stirrer to the stirrer connector ￭ (socket with stirrer symbol) of the titration stand. Start the control software. ￭ ￭￭￭￭￭￭￭￭ 867 pH Module... -
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
USB hub. CAUTION If you operate the 867 pH Module 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 867 pH Module, you should exit the program before you set up or disconnect the USB connections. -
Page 27: Connecting A Usb Hub
If you wish to connect more than two devices to the USB connector of the 867 pH Module, you can also use an additional commercially available USB hub (distributor). If you operate the 867 pH Module with the help of the Touch Control, then you should use a USB hub with its own power supply. -
Page 28: Connecting A Balance
– You will need the 6.2148.050 USB/RS-232 adapter to connect a balance. The following table offers an overview of the balances that you can use together with the 867 pH Module and of which cable you will need for connection to the RS-232 interface: Balance... -
Page 29: Connecting A Pc Keyboard (Only For Operation With Touch Control)
Connect the balance as follows: 1 Plug in the USB plug of the USB/RS-232 adapter at the USB connec- tor of the 867 pH Module. 2 Connect the RS-232 interface of the USB/RS-232 adapter with the RS-232 interface of the balance (see table for cable). -
Page 30: Connecting A Barcode Reader
Connect the barcode reader as follows: 1 Insert the USB plug of the barcode reader into one of the USB sock- ets of the 867 pH Module. 2 Switch on the Touch Control. The barcode reader is recognized automatically and entered in the device manager. -
Page 31: Connecting Sensors
3.5.1 Connecting a pH, metal or ion-selective electrode Connect the pH, metal or ion-selective electrode as follows: 1 Plug the electrode plug into the Ind. socket of the 867 pH Module. Figure 12 Connecting a pH, metal or ion-selective electrode... -
Page 32: Connecting A Reference Electrode
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.5 Connecting sensors 3.5.2 Connecting a reference electrode Connect the reference electrode as follows: 1 Plug the electrode plug into the Ref. socket of the 867 pH Module. Figure 13 Connecting a reference electrode 3.5.3 Connecting a polarizable electrode Connect the polarizable electrode as follows: 1 Plug the electrode plug into the Pol. -
Page 33: Connecting A Temperature Sensor Or An Electrode With Integrated Temperature Sensor
If the mini USB adapter cable is not connected to the instrument yet, pro- ceed as follows: 1 Plug the mini USB adapter cable (2) into the iConnect connector of the instrument (1). Observe the correct orientation (markings). ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 34: Figure 16 Plugging In The Mini Usb Adapter Cable
As soon as the instrument is switched on, the 854 iConnect is detec- ted automatically and entered as measuring input into the device properties. Connecting the electrode The 854 iConnect is used as measuring input for iTrodes (electrodes with integrated memory chip). ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 35: Figure 18 Removing The Protective Cap
The guide pin guarantees correct connection in such a way that the contact pins cannot be damaged. 4 Tighten the screw cap by hand. If there is an electrode in the sensor list of the firmware or software, the electrode is detected automatically when connecting it. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 36: Figure 21 Unplugging The 854 Iconnect
2 Leave the mini USB adapter cable (2) plugged into the socket of the instrument (1). NOTICE Position the mini USB adapter cable in such a way that it cannot be removed by accident. NOTICE For further information on the 854 iConnect, see Manual iConnect 854, article number 8.854.8002. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 37: Operation And Maintenance
4.1.2 Maintenance by Metrohm Service Maintenance of the 867 pH Module is best carried out as part of annual service, which is performed by specialist personnel from Metrohm. A shorter maintenance interval may be necessary if you frequently work with caustic and corrosive chemicals. -
Page 38: Troubleshooting
￭ solution is not stable. solution. Unsuitable measuring Use a suitable measuring chain. chain. The conductivity is too low or an organic solu- tion is present. The measuring chain is not Connect the measuring chain. connected. ￭￭￭￭￭￭￭￭ 867 pH Module... - Page 39 Increase the stirring rate. ￭ achieved with 'auto' reference electrode results Increase Delta U. ￭ standard addition. in a potential difference Touch Control: ￭ between stirred addition Select Addition = auto dos. and non-stirred measure- ment. ￭￭￭￭￭￭￭￭ 867 pH Module...
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Page 40: Appendix
6.1.1 Pin assignment of the remote interface Figure 23 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. ￭￭￭￭￭￭￭￭ 867 pH Module... - Page 41 Input 2 Input 3 Quit Input 4 – Input 5 Input 6 Input 7 Output 0 Ready Output 1 Conditioning OK Output 2 Determination Output 3 Output 4 Output 5 Error Output 6 Warning Output 7 ￭￭￭￭￭￭￭￭ 867 pH Module...
- Page 42 The instrument performs a data-generating determination. End of Determination. Pulse (t = 200 ms) after a determination or pulse after a buffer/standard solution during calibration using a Sample Processor. Error The line is set for error message display. ￭￭￭￭￭￭￭￭ 867 pH Module...
- Page 43 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6 Appendix Function Explanation Warning The line is set for warning message display. ￭￭￭￭￭￭￭￭ 867 pH Module...
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Page 44: Technical Specifications
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 7.1 Measuring interface 7 Technical specifications Measuring interface The 867 pH Module has one galvanically isolated measuring interface. The measuring cycle is 100 ms for all measuring modes. 7.1.1 Potentiometry One high-ohm measuring input (Ind.) for pH, metal or ion-selective elec- trodes and one measuring input (Ref.) for separate reference electrodes. -
Page 45: Temperature
(±1 digit; without sensor error, under reference conditions) Measuring mode Determination with adjustable polarization voltage Upol Polarization –1,225 - +1,225 mV (increment: 25 mV) voltage –1,250 - +1,250 mV: non-guaranteed values, dependent on reference voltage +2.5 mV Measuring –120 - +120 µA range ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 46: Power Connection
–20 - +60 °C Transport –40 - +60 °C Reference conditions Ambient tempera- +25 °C (±3 °C) ture ≤ 60 % Relative humidity Instrument status Instrument in operation at least 30 min Validity of the After adjustment data ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 47: 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 867 pH Module. -
Page 48: Accessories
The PDF file with the accessories data is created. NOTICE Once you have received your new product, we recommend download- ing the accessories list from the Internet, printing it out and keeping it together with the manual for reference purposes. ￭￭￭￭￭￭￭￭ 867 pH Module... -
Page 49: Index
STDADD ....... 3 USB ........2 Measuring signal Controller Fluctuating ......30 Connector ......8 Connector ......8 Metrohm Serial Bus MSB, see also USB connector ......2 "MSB" ........14 USB hub Dosing command Connect ......19 Connect devices ....14 ADD ........
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