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Summary of Contents for Metrohm 843
- Page 1 843 Pump Station with peristaltic pumps Manual 8.843.8003EN/2019-11-29...
- 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 843 Pump Station with peristaltic pumps Manual 8.843.8003EN/2019-11-29...
- 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
Mounting the safety shield ............ 13 Connecting control instruments ........15 Connecting the instrument to the power grid ....19 4 Operation 5 Operation and maintenance General notes ..............22 5.1.1 Care ..................22 ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... - Page 6 Pin assignment of the remote interface ........27 8 Technical specifications Peristaltic pump ..............29 Power connection ............... 29 Ambient temperature ............29 Reference conditions ............30 Dimensions ................30 Interfaces ................30 9 Accessories Index ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
- Page 7 Figure 5 Remote connection 869 — 843 — 8xx Titrino plus ......16 Figure 6 Remote connection 8xx Dosimat plus — 869 — 843 — 8xx Titrino plus ....................16 Figure 7 Remote connection 869 — 843 — 8xx Titrino plus — 8xx Dosimat plus ....................
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Page 9: Introduction
Standard instrument with special accessories for VA applications. Intended use The 843 Pump Station is designed for usage in automated systems in ana- lytical laboratories. It is not suitable for usage in biochemical, biological or medical environments in its basic equipment version. -
Page 10: About The Documentation
Warning This symbol draws attention to a possible biological hazard. Caution This symbol draws attention to a possible damage of instruments or instrument parts. Note This symbol marks additional information and tips. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 11: Safety Instructions
Personnel safety WARNING Wear protective glasses and working clothes suitable for laboratory work while operating the 843 Pump Station. It is also advisable to wear gloves when caustic liquids are used or in situations where glass vessels could break. WARNING Install the safety shield supplied with the equipment whenever using the instrument. -
Page 12: Electrical Safety
WARNING The 843 Pump Station is not suitable for usage in biochemical, biologi- cal or medical environments in its basic equipment version. Appropriate protective measures must be implemented in the event that potentially infectious samples or reagents are being processed. -
Page 13: Tubing Connections
1.5.5 Working with liquids CAUTION Periodically check all system connections for leaks. Observe the relevant regulations in respect to working with flammable and/or toxic fluids and their disposal. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 14: Working With Flammable Liquids And Chemicals
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. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 15: Overview Of The Instrument
2 Overview of the instrument 2 Overview of the instrument Front of the instrument Figure 1 Front 843 Pump Station with peristaltic pumps Pump 1 Pump 2 For switching peristaltic pump 1 on and off. For switching peristaltic pump 2 on and off. -
Page 16: Rear Of The Instrument
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2.2 Rear of the instrument Rear of the instrument Figure 2 Rear 843 Pump Station with peristaltic pumps Tubing guide Bore hole For bundling up the tubings. Additional hole for screwing in the tubing guide in situations where Pump Station is to be operated in a lying position. -
Page 17: Peristaltic Pump
For fixing the pressure clip in place and for olive. regulating the flow of liquid. Pressure clamp For fixing the tubing in place. For attaching the safety shield. Guidance with sensor For inserting the contact pin. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 18: Safety Shield
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2.4 Safety shield Safety shield Figure 4 Rear of the safety shield Contact pin Arranges the safety shutdown of the peri- staltic pump with a photoelectric barrier. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 19: Installation
1 Cut the pump tubing to a length of approx. 16 cm. 2 Insert the included tubing olives into the two tubing ends. 3 Where appropriate, use additional cable ties to fasten the tubing on both ends at the tubing olives. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 20: Inlet And Outlet Tubing
Mount the inlet and outlet tubing as follows: 1 Cut the inlet and outlet tubing to the appropriate lengths. 2 Mount them to the screw connectors of the tubing olives of the pump tubing. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 21: Mounting The Safety Shield
5 Put the tubing through the tubing guide to fix them in place. 3.2.3 Mounting the safety shield Attaching the safety shield 1 Attach slot (1) of the safety shield onto the retaining lug (2) of the peristaltic pump. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... - Page 22 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3.2 Mounting the tubing 2 Attach contact pin (1) on the safety shield onto the opening (2) of the sensor. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
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Page 23: Connecting Control Instruments
2 Remove the safety shield. Connecting control instruments Various options for connecting different instruments to the 843 Pump Sta- tion are shown below. Instruments which control the pumps of the Pump Station are connected to Remote 1, while all other instruments are con- nected to Remote 2. -
Page 24: Figure 5 Remote Connection 869 - 843 - 8Xx Titrino Plus
6 . 2 1 4 1 . 2 3 6 . 2 1 4 1 . 2 3 Figure 6 Remote connection 8xx Dosimat plus — 869 — 843 — 8xx Titrino plus Connection of a Compact Sample Changer (Remote 1) and a Titrino plus and a Dosimat plus (both to Remote 2) to the Pump Station. -
Page 25: Figure 7 Remote Connection 869 - 843 - 8Xx Titrino Plus - 8Xx Dosimat
6 . 2 1 4 1 . 2 3 6 . 2 1 4 1 . 2 4 Dosimat plus Figure 7 Remote connection 869 — 843 — 8xx Titrino plus — 8xx Dosimat plus Example 3 Connection of a Compact Autosampler (Remote 2) and a VA Compu- trace (Remote 1) to the Pump Station. -
Page 26: Figure 9 Remote Connection 838 - 843 - 797
6 . 2 1 4 1 . 2 9 6 . 2 1 4 1 . 2 8 Figure 9 Remote connection 838 — 843 — 797 Example 5 Connection of a USB Sample Processor (Remote 2) to the Pump Station. -
Page 27: Connecting The Instrument To The Power Grid
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 28 Do not use a not permitted power cord! 1 Plugging in the power cord Plug the power cord into the instrument's power socket. ￭ Connect the power cord to the power grid. ￭ ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
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Page 29: Operation
Illumination of the LED indicates ready-for-operation status. Pump 1 Hold down the peristaltic pump 1 switch for manual rinsing. Pump 2 Hold down the peristaltic pump 2 switch for manual aspiration. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 30: Operation And Maintenance
5.1.2 Maintenance by Metrohm Service Maintenance of the 843 Pump Station 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 31: Pump
Pressure build-up in the pump tubing ￭ Sterilizability ￭ Temperature of the pump medium and the environment ￭ Viscosity of the liquid ￭ Permeability of the pump tubing ￭ Demanded flow rate ￭ ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 32: Tubing Replacement And Service Life
Put a short piece of the tubing in a closed container filled with the liquid to be pumped and let it sit for 48 hours. Then examine the piece of tubing for signs of swelling, embrittlement or other damage. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... - Page 33 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Operation and maintenance CAUTION Selecting the incorrect tubing material can put users and instruments at risk. ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
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Page 34: Troubleshooting
The power cord is not con- Connect the power cord. ment does not run. nected. Remote connectors are Check the remote connectors. connected incorrectly. Remote connectors have Check connected instruments (see chapter been switched. 3.3, page 15). ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 35: Appendix
Pin assignment of the remote interface Figure 12 Pin assignment of remote socket and plug The above pin assignment display applies for all Metrohm instruments with 9-pin D-Sub remote connectors. The two remote interfaces are linked with one another in the instrument. - Page 36 5 kΩ Pull-up ＞ 100 ms active = low, inactive = high Remote 2: Inputs (Pin 3 and 4) +16…24 V active = with voltage, inactive = without voltage Pin 3,4 Pin 7 ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
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Page 37: Technical Specifications
100 - 240 V Frequency 50 - 60 Hz Power consump- 45 W tion Lock 1.0 ATH Ambient temperature +5 - +45 °C Nominal function range Storage –40 - +70 °C Transport –40 - +70 °C ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 38: Reference Conditions
0.16 m Height 0.40 m Depth 0.30 m Weight (without 5.08 kg accessories) Polyurethane, coated (upper part) Material Steel housing, stove-enameled (lower part) Interfaces For connecting instruments with a remote interface. Remote interfaces ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps... -
Page 39: Accessories
Downloading the accessories list 1 Enter https://www.metrohm.com/ into your Internet browser. 2 Enter the article number (e.g. 843) into the search field. The search result is displayed. 3 Click on the product. Detailed information regarding the product is shown on various tabs. -
Page 40: Index
Instrument description ....1 Pin assignment ....27 Service life, influencing factors Remote connector ........... 24 Remote 1 ......1, 8 Suitability test ..... 24 Maintenance ......22 Remote 2 ......1, 8 ￭￭￭￭￭￭￭￭ 843 Pump Station with peristaltic pumps...
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