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Table of Contents
Troubleshooting
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Summary of Contents for AMI 111B
- Page 1 Oxygen Analyzer Manual Model 111B AMI, Costa Mesa, CA...
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Page 2: Table Of Contents
Contents Preface The AMI story Caution Address Model 111B Oxygen Analyzer Introduction Features: Data logging: Pump: Safety: Sensor Warranty: Instrument Warranty: Installation and Operation Receiving the analyzer Charge the batteries: Location: Sample gas and electrical connections : Interconnections: Digital communications:... - Page 3 Maintenance and troubleshooting Maintenance: Sensor Replacement: Battery Replacement: Troubleshooting All oxygen applications Specifications and Disclaimer Specifications: Disclaimer Index Contents ii AMI Analyzer Manual...
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Page 4: Preface
AMI was formed by a group of analyzer professionals with over forty years of experience between them. The company is dedicated to providing the very best and most cost effective solutions to the oxygen analysis problem with a range of analyzers. -
Page 5: Model 111B Oxygen Analyzer
Using the computer program supplied if desired by AMI, the data may be downloaded into a “CSV” file for manipulation in Excel™ or similar spreadsheet programs, and the logging can be restarted at the beginning again. The internal time and clock may also be set, as well as a label to distinguish data from this analyzer from others. -
Page 6: Pump
Pump: The model 111B is equipped with a long-life pump, capable of drawing a sample through the sensor from an ambient pressure source. It draws a lot of current, and so it is only suitable for spot checking. The unit will switch off the pump after a few minutes of operation. -
Page 7: Installation And Operation
Although the unit is RFI protected, do not to mount it close to sources of electrical interference such as large transformers, motor start contactors, relays etc. Also avoid subjecting it to significant vibration. Installation and Operation 4 AMI Analyzer Manual... -
Page 8: Sample Gas And Electrical Connections
The exhaust should be left open. UNDER NO CIRCUMSTANCES REMOVE THE EXHAUST FITTING! It is a flame arrestor, and removing it will turn the analyzer into a guaranteed ignition source. Installation and Operation 5 AMI Analyzer Manual... -
Page 9: Interconnections
Interconnections: Digital communications: The Model 111B is equipped with a special USB connector on the back of its case. This may be used to access data that has been logged by the built-in data logger. Use a cable and software supplied by AMI to configure and download data. -
Page 10: Operation
The Span button allows you to calibrate the unit. See the Calibration section below. It is possible to disable this using the AMI communication program. The pump button turns on (or off) the pump. Since the pump uses a lot of current, the unit will automatically turn it back off after five minutes. -
Page 11: Calibration
Note: It is possible to disable the calibration function with the USB interface. If it is not apparently possible to change the calibration, you must reset the security condition to “All front panel adjustments allowed” using the AMI user interface. Perform the calibration as above, and then change it back to “No front panel adjustments allowed” when you are done. -
Page 12: Logging
“SCV” file that you can open in Excel. There are many fields in the PC display that are not relevant to the operation of the 111B, and these will be grayed out. -
Page 13: Maintenance And Troubleshooting
Maintenance and troubleshooting Maintenance: The AMI oxygen analyzer is virtually maintenance free other than for periodic calibration. Sensor Replacement: The sensor should last for many years. If the sensor expires you will have to return the analyzer back to the factory. -
Page 14: Troubleshooting
(The unit won’t respond to the up and down buttons during span) Use the AMI communication program to set the security to either “Span only” or “No security”. Once you have spanned it, set the security back again so people do not adjust it in error. - Page 15 The flow rate is off. Adjust it to be the same as when the unit was spanned. Still no correct operation Call AMI at 714 848 5533, and ask for Service. Or contact us by email at sales@amio2.com. Maintenance and troubleshooting 12...
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Page 16: Specifications And Disclaimer
* Note that accuracy is determined by the accuracy of the gas calibration standard used for calibration. Any uncertainty in the oxygen content of the standard used will add to the analyzer specification. Specifications and Disclaimer 13 AMI Analyzer Manual... -
Page 17: Disclaimer
The AMI analyzer is not designed as a primary safety device, that is to say it is not to be used as the primary means of assuring personnel safety. In particular it is not designed to act as a medical instrument, monitoring breathing air for correct oxygen concentration, and should not be used as such when it is the only safety device on the gas system. -
Page 18: Index
Index Address of AMI, 1 Interconnections, 6 Analyzer does not power up, 11 Introduction, 2 Analyzer reads too high, 11 Location, 4 Analyzer reads too low, 11 Logging Data, 9 Analyzer reads zero, 11 Maintenance, 10 Battery Replacement, 10 No voltage or current output to recording device, 11...
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