CAMBRIDGE SENSOTEC Rapidox 1100E Instruction Manual

CAMBRIDGE SENSOTEC Rapidox 1100E Instruction Manual

Oxygen analyseroxygen analyser

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Rapidox 1100E Oxygen Analyser
Instruction Manual
Revision 3.8
Cambridge Sensotec Ltd.
Unit 29 Stephenson Road
St Ives
Cambs
PE27 3WJ
ENGLAND
Tel. +44 (0)1480 462142
Fax +44 (0)1480 466032
Mobile (07866) 624236
Sales@Cambridge-Sensotec.co.uk

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  • Page 1 Rapidox 1100E Oxygen Analyser Instruction Manual Revision 3.8 Cambridge Sensotec Ltd. Unit 29 Stephenson Road St Ives Cambs PE27 3WJ ENGLAND Tel. +44 (0)1480 462142 Fax +44 (0)1480 466032 Mobile (07866) 624236 Sales@Cambridge-Sensotec.co.uk...
  • Page 2 UK users only: If you have purchased any electronic or electrical product from Cambridge Sensotec since 2007 and would like to dispose of it correctly under the WEEE scheme, please contact us and we will be happy to either arrange the collection of the waste or have it returned to our offices for recycling.
  • Page 3: Table Of Contents

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Contents Introduction ......................1 Features ......................... 1 Technical Specification ..................2 Precautions ......................2 Warning ......................... 2 Rapidox Operating Instructions ................3 Rapidox Analyser Menu System ..............4 Getting Started ....................4 Display Behaviour ..................
  • Page 4 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Running the Data Logger ................29 Auto Date Stamped Files ................29 Live Time Graphing Screen ................ 30 Main Graph Window ................... 31 Plot Colours....................31 Graph Titles and Labels ................32 Plot Co-ordinates ..................
  • Page 5: Introduction

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 1 Introduction The Rapidox 1100E oxygen analyser gives accurate oxygen analysis over the oxygen range 0 to 100% O with a resolution of 0.01%. The analyser provides continuous on-line oxygen analysis, with a typical response time of less than 20 seconds for a 90% response to a step change in gas compositions.
  • Page 6: Technical Specification

    Make sure the rear ventilation slots and the fan on the rear panel are free of obstruction. There are no user serviceable parts in this unit. Do not attempt to repair yourself. Refer all servicing to qualified Cambridge Sensotec personnel.
  • Page 7: Rapidox Operating Instructions

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 6 Rapidox Operating Instructions Figure 1: Rapidox 1100E front panel. Numbers are referred to in the text. Figure 2: Rapidox 1100E rear panel. Numbers are referred to in the text. Version 3.8...
  • Page 8: Rapidox Analyser Menu System

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 6.1 Rapidox Analyser Menu System All of the user-programmable functions are accessed via a menu system which is controlled using the front panel Keypad (2). To access the menu press the ENT button and to escape and return to the operating screen press ESC at any time.
  • Page 9: Pump Control

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Oxygen Sensor Display Possibilities Reading > 200% Display shows “O/Range” Reading > 0% and < 200% Display shows the normal oxygen reading in % or ppm Reading <0% Display shows “U/Range” sensor signal has dropped below 70% of its factory Display shows “Replace Sensor Soon”...
  • Page 10: Rapidox Calibration

    Pressing ESC takes you out of the password protected area and you will have to re- enter the password to go back in again. If the password has been forgotten please contact Cambridge Sensotec who will advise you on how to recover it.
  • Page 11 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual a cylinder of known composition. For accurate calibration it is important to allow sufficient time to flush the sensor properly. Wait for the top line of the display (1) to become stable. To complete the calibration press and hold the ENT button for two seconds.
  • Page 12: Alarms

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual NB You must always perform a FULL calibration to achieve good accuracy. 6.7 Alarms The Rapidox is fitted with two independent and fully programmable alarm relay outputs, which can be programmed to be either normally open (N/O - closes on alarm) or normally closed (N/C - opens on alarm).
  • Page 13: Analogue Outputs

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Alarm 2 can be set in exactly the same way as described above and both alarm circuits are completely independent of each other. Note that you must programme all the parameters for each alarm for the settings to be saved. The bottom line of the LCD will display “Alarm x set”...
  • Page 14 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual "Lin(ppm)" Linear output mode 8.75 6.25 3.75 1.25 Figure 3: Graph showing the linear output mode option for oxygen The following general formulae can be used to calculate the oxygen from the...
  • Page 15: Setting The Display Units

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual cleared. Additional current and voltage signals are provided by the analyser to give an indication of various conditions and these are described in Table 3 below, together with the status of the alarms during the condition:...
  • Page 16: Setting The Display Options

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual the required units. Once selected press ENT to store and return to run mode. 6.10 Setting the Display Options The user can select the LCD refresh rate and the format of the line 2 display using the keypad or the software provided.
  • Page 17: Setting The Baud Rate

    “Utility” drop-down menu in Cambridge Sensotec’s Rapidox data logging software, and “Set date and time”. So for example in the USA you would now see the date as mm/dd/yy. The local date format will be stored along with the date and time in the Rapidox.
  • Page 18: Rs232 / Rs485 Port

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual using the software provided (please see section 7.4 for further details). Alternatively, you can reset to ‘generic’ factory defaults directly from the front panel keypad. Press ENT to enter the user setup menu and select menu option 10 “Load Defaults”...
  • Page 19: Rs232

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Connection: Connect to RS232 socket at the back of the Rapidox using a 9 way D- type plug. Signals are as follows: Rapidox D-type Socket: PC/PLC: Pin# 2 = Data Out Data In (RX) ...
  • Page 20: Rs485 Protocol

    If no action is taken and the output drops below 65% of the new-value then the analyser will upgrade the message to say “Sensor Must Be Replaced” Contact Cambridge Sensotec for advice on purchasing and replacing the sensor inside the unit.
  • Page 21: Rapidox Software Instructions

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual look like this: Cambridge Sensotec Ltd Rapidox 1100E Oxygen Analyser S/N: 2100942 FW v 01.02.03.09 7 Rapidox Software Instructions 7.1 Software Installation It is possible to program a range of variables to the Rapidox using an RS232 (or RS485 if configured) link with a PC running MS-Windows (all versions) and the supplied Rapidox software.
  • Page 22: On-Screen Help

    Device Manager accessed by clicking START – Settings - Control Panel. If your PC does not have a serial port, you can use a USB to RS232 adapter – please contact Cambridge Sensotec if you would like advice about selecting one. 7.3 On-Screen Help You can access the on-screen help facility at any time by clicking on the help menu on the menu bar and select the ‘Help’...
  • Page 23: Reconfiguring The Analyser

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual To read the current configuration stored in your Rapidox select ‘Read Analyser Configuration’ from the ‘File’ menu, or click the ‘Read’ button on any of the ‘Config’ pages. Note that the entries in the boxes on the RHS (under the ‘Write’...
  • Page 24: Config 1 Screen

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual The user can choose whether to use ppm or percent notation to edit the O text boxes by selecting the UNITS menu and clicking on ‘Percent’ or ‘ppm’. To access a field, either click inside it or use the TAB key to scroll through them. The field parameters are as follows: 7.5.1 Config 1 Screen...
  • Page 25: Config 2 Screen

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 7.5.2 Config 2 Screen Figure 7: Configuration 2 page. Note the actual values used may differ from those shown above. Calibration Gas 1, 2: These boxes are greyed out in this version and the data is for information purposes only.
  • Page 26: Alarm Config Screen

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 7.5.3 Alarm Config Screen Figure 8: Alarm configuration page. Note the actual values used may differ from those shown above. Alarm Source: Use the drop down box to assign a detector to the alarm. If you want the alarm to be based on oxygen readings select oxygen from the drop down list.
  • Page 27: On-Screen Lcd

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Contacts N/O or N/C: This option allows the user to programme how the relay contacts are set on the rear panel. “Normally Open” means that the contacts are open circuit when an alarm is not activated and “Normally Closed”...
  • Page 28 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Figure 10: Remote calibration function Use the two buttons to calibrate the sensor directly from the PC. Before calibrating the analyser with gas, make sure that you know the exact O concentration in your gas bottle AND you have a calibration certificate from the gas supplier confirming the concentration.
  • Page 29: Calibration Error Messages

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Figure 12: Calibration Gas Confirmation Screen. If the current stored value is correct and matches your cal gas value then simply click “Yes” to proceed. If you are using a different value to the one you see on the screen then click “No”...
  • Page 30 AUTO pressure correction mode you will get a fault message and the Rapidox will refuse to continue with the calibration: Please contact Cambridge Sensotec for advice. If you need to use the analyser in the meantime please disable the pressure correction function (see section 6.12) and you can continue to calibrate and take readings.
  • Page 31: Software Utilities

    This function will check online and advise you if any software updates are available for your machine. This function is not automatic. To update the software you need to visit www.cambridge-sensotec.co.uk and select the support page where a list of downloads are provided.
  • Page 32: Setting Up The Data Logger

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual file automatically at regular intervals and the format is compatible with modern spreadsheet programmes such as MS-Excel. A live-time graphing facility is also included which has many powerful features. Note that the data logging facility...
  • Page 33: Running The Data Logger

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual message. This note is then saved as a header in the data file set and can be viewed along with the data. You can either choose to have data logged continuously until ‘Stop’ is selected from the Data Logger menu, or you can choose to set a time limit for data logging by checking the box labelled ‘Time Limit’, setting the duration in the ‘Run For’...
  • Page 34: Live Time Graphing Screen

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual then clears and continues for another twenty four hours until midnight the following day. The data is then stored as ‘test1 (2005-11-13).txt’. This will continue for seven days when the data-logger will finish.
  • Page 35: Main Graph Window

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Figure 17: Live-time graphing screen 8.6 Main Graph Window The graph is an XY plot, with time plotted on the X-axis, oxygen plotted on the primary Y-axis (Y1) and pressure plotted on the secondary Y-axis (Y2). The X-axis and the two Y-axes auto-scale during data logging so that all data points are shown on the graph.
  • Page 36: Graph Titles And Labels

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Figure 18: Plot colour palette menu accessed by double-clicking on the axis titles. 8.8 Graph Titles and Labels If you want to change the text of the graph axis labels, place the mouse pointer over the text and do a single left click to enter edit mode.
  • Page 37: Zooming

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual at specific points of interest on the graph. The cursor is not available during data acquisition, but is available if the run is ‘paused’. 8.12 Zooming You can zoom in to any part of the oxygen plot by simply placing the mouse pointer on the new graph start position and then clicking and dragging a new box to re-size the graph.
  • Page 38: Printing Graphs

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual zoom, label axes, change colours etc., before printing the graph. 8.17 Printing Graphs You can print the graph at any time by selecting ‘Print Plot’ from the File menu. This will bring up the printer dialogue box for your specific printer where you can chose various printing options.
  • Page 39: Working With Spreadsheets

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual 8.21 Working with Spreadsheets The data-logger saves data files in a standard comma separated ASCII text format which can be readily imported into spreadsheet programmes such as MS Excel, in order to produce plots and reports as desired. For specific information on how to import text files into your spreadsheet programme please refer to the help guide supplied with the programme.
  • Page 40 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Figure 19: Rapidox Diagnostics Page 1. Analogue: The live analogue values displayed in this pane are voltage measurements coming directly from the computer chip inside the analyser. They are for information purposes only but are a useful diagnostics tool for Sensotec staff, as unusual values can indicate a particular fault.
  • Page 41: Troubleshooting

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual logged while the “Diagnostics” tab is still selected. The software will log diagnostic to a file named “Rapidox diagnostics file 210xxxx.txt” (where “xxxx” is the serial number of the analyser) in the folder shown in the yellow “Status”...
  • Page 42: Warranty

    Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual that your COM ports are recognised by your computer. Check in your Windows device manager to see if there are any conflicts. If you have an internal modem fixed to your PC you may experience difficulties using this software.
  • Page 43 4) The warranty period applicable shall be 12 months from the date of delivery provided that: a] Notice in writing of the defects complained of shall be given to Cambridge Sensotec (The Seller) upon their appearance, and b] such defects shall be found to have arisen from the Seller's faulty design,...
  • Page 44 Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual Version 3.8 Last printed 29/08/2012 16:01:00...
  • Page 45 ………………………………………. Calibration Gas 2 ………………………………………. Configuration Filename ………………………………………. Calibrated by: ………………………………………. Signed: ………………………………………. Cambridge Sensotec Ltd. Tel. +44 1480 462142 Unit 29 Stephenson Road Fax. +44 1480 466032 St Ives www.cambridge-sensotec.co.uk Cambs sales@cambridge-sensotec.co.uk PE27 3WJ VAT no. GB 745 939975 ENGLAND Registered in England No.
  • Page 47 APPENDIX 1: MENU FLOWCHART FOR RAPIDOX 1100E 20.95% Back to Measurements : Changes Applied 0.0mbar ESC - Back to Menu List. No changes 1-Calibrate New Sensor? No Calib: O High 2.095E+05ppm ® ® ® ® (prompts 1) (prompts 2) (prompts 2) (prompts 3) (Options: O High, O...
  • Page 48 Back to Measurements. Continued from page 1 ESC - Back to Menu List. No changes 5-Display Setup Line 2 options L2:Pressure L2: Pressure ® ® ® ® (prompts 1) (prompts 2) (prompts 5) Line 2 set (Options: Pressure, Date/time, None) Displays message for 1.5 seconds Refresh interval Interval: 0.3 s...
  • Page 49 ESC - Back to Menu List. No changes Back to Measurements. Continued from page 2 11-Password Menu Password: 0*** Password: Enable Password: Enable ® ® ® ® Enable or Disable selected (Prompts 1) (prompts 3) (prompts 2) PW Enabled Enter password - default is 0000 (Options: Enable, Disable, Change) Displays message for 1.5 seconds Password: 6234...

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