Teledyne MX300-I manual Setting the Alarms

Page 22

Operation

MX300-I

 

 

 

should never be used where a high degree of accuracy is needed.

Note: Never calibrate the unit in humidified gas, as water vapor makes the oxygen concentration appear lower than it really is. See Appendix: Humidity.

CAUTION: DO NOT ADJUST THE CALIBRATION SETTINGS IN AIR AFTER THE 100% CALIBRATION, AS THIS WILL CANCEL THE MORE ACCURATE 100% CALIBRATION. THE 100% CALIBRATION MAY BE REPEATED AS MANY TIMES AS DESIRED.

8.Adjust alarm set points to desired level according to the procedures in Section 2.1.4.

9.Press the LOCK/UNLOCK key to hold settings. The unit is now ready for use.

2.1.4Alarms

Note: Before attempting to change the alarms it is necessary to unlock the control keys by pressing the LOCK/UNLOCK key. When pressed the display will start flashing.

To set the alarms on the MX300-I monitor (see Figure 2-8):

1.To set the HI alarm: Press the HI ALARM SET key once. Press the UP and DOWN arrow key until the desired value is displayed in the lower right corner of the display.

Note: The HI and LO alarms may be defeated by setting the HI alarm limit one step above 100%. The display will blink ALARM OFF continually in this mode.

2.To set the LO alarm, press the LO ALARM SET key once. Press the UP and DOWN arrow key to select a value. A built-in safety feature will not

allow you to select a LO alarm value less than

Figure 2-8: Setting the Alarms

18%.

 

Note: The MX300-I Portable Oxygen Monitor is

 

Teledyne Analytical Instruments

22

Image 22
Contents MX300-I MX300-I How To Use This Manual About This ManualSafety Messages Table of Contents Appendix List of Figures MX300-I Front ViewList of Tables Introduction MX300-I Front ViewApplicable Standards Introduction MX300-IFeatures OptionsApplications Theory of OperationSignal Processing SensorIntroduction MX300-I Setup OperationSensor Installation or Replacement Installing the R17MED SensorSensor Cable Connection to Monitor V-Mount Adapter Installation MountingBattery Installation Installing BatteriesCalibration Calibration SequencePortable Oxygen Monitor Operation Alarms Setting the AlarmsOutput 0-1 VDC or RS232 0-1 VDC or RS 232 Digital Output Port Procedure UseGas Sampling HumidityTemperature PressureDiscrepancy in Readings Anesthetic GasesOxygen Reading Error in a Mixture of Anesthetic Gas Cleaning Do’s and Don’tsPortable Oxygen Monitor Operation Operation MX300-I Overall Maintenance General Service InformationBattery Maintenance Sensor Maintenance CalibrationAlarms Pressure Troubleshooting Troubleshooting√ Sensor Ventilate the patient, water Error Codes WatchdogOther Problems with the Instrument Return Authorization for Service Specifications AppendixSpare Parts List Optional AccessoriesOrders should be sent to Blank Index CrossoverIndex MX300-I