Teledyne MX300 - Manuals

Portable Oxygen Monitor Teledyne Analytical Instruments v Table of Contents Safety Messages .......................................................................... iv List of Figures.............................................................................. vii List of Tables ....................

Portable Oxygen Monitor Teledyne Analytical Instruments vii List of Figures Figure 1-1: MX300 Front View......................................................... 9 Figure 2-1: Installing the R17MED Sensor .................................... 16 Figure 2-2: Sensor Cable Connection to Monitor ...........

MX300 Teledyne Analytical Instruments viii List of Tables Table 2-1: Oxygen Reading Error in a Mixture of Anesthetic Gas . 29 Table 3-1 Troubleshooting............................................................. 39 Table 3-2 Error Codes .................................................................

Portable Oxygen Monitor Introduction Teledyne Analytical Instruments 9 Introduction Teledyne Analytical Instruments MX300 Oxygen Monitor with alarms here after referred to as MX300 is a portable instrument that provides fast and accurate oxygen monitoring and incorporates an audio/visual alarm capab...

Introduction MX300 Teledyne Analytical Instruments 12 Note: Contact the factory for retrofitting an existing instrument for 3-digit LCD display. For RS-232 reconfiguration, see Section 2.1.5. In addition to the above instrument configuration options, the following optional equipment is available for...

Portable Oxygen Monitor Introduction Teledyne Analytical Instruments 13 activates the audible and visual alarms if the oxygen level exceeds those values. A unique sensor fail/disconnect alarm is incorporated in the MX300 to warn the user of a sensor problem. The √ SENSOR indicator is illuminated on ...

Introduction MX300 Teledyne Analytical Instruments 14 alarm set points if appropriate. Using a microprocessor allows for easier setting of alarms, automatic calibration, and self-diagnosis. The oxygen level is calculated and then displayed on the liquid crystal display (LCD) on the front panel. In t...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 15 Operation Note: Upon receipt, INSPECT THE ENTIRE UNIT FOR DAMAGE. Check the unit and all included accessories for broken or loose parts. If damaged, DO NOT USE. Notify the shipper, and consult Teledyne Analytical Instruments. Note:...

Operation MX300 Teledyne Analytical Instruments 16 2.1.1 Sensor Installation or Replacement Note: The R17MED oxygen sensor must be installed before the oxygen analyzer/monitor can be operated Remove the new sensor from its protective bag. Inspect the sensor for damage or electrolyte leakage. If the ...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 17 Figure 2-2: Sensor Cable Connection to Monitor Note: When the AX/MX300 instrument is used for diffusion sampling (i.e., incubators, tents, etc.), the plastic flow diverter must be removed from the R17MED sensor. If the sensor is us...

Operation MX300 Teledyne Analytical Instruments 18 2.1.2 Mounting The MX300 can be mounted in several ways depending on the optional equipment ordered at the time of purchase. See Section 1.3. 2.1.2.1 V-M OUNT A DAPTER I NSTALLATION The V-Mount Adapter consists of a matching plastic plate with integ...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 19 2.1.3 Battery Installation Note: Three “AA” alkaline batteries must be installed in the unit before the monitor will operate. The unit must be recalibrated whenever new batteries are installed and the HI and LOW alarm set points mu...

Operation MX300 Teledyne Analytical Instruments 20 4. Re-install the battery compartment door. When the unit is first turned on the display will momentarily display all LCD segments. During this period diagnostic tests are being conducted to insure the circuits are functioning correctly. The unit wi...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 21 3. If the LCD is not flashing, press the LOCK/UNLOCK key to unlock the keys. LCD will flash indicating changes can be made to the settings. If the batteries have just been installed the LCD will flash 00.0 4. As with most oxygen an...

Operation MX300 Teledyne Analytical Instruments 22 Figure 2-8: Setting the Alarms calibration. Air calibration should only be used for monitoring oxygen levels between 21% and 40% and should never be used where a high degree of accuracy is needed. Note: Never calibrate the unit in humidified gas, as...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 23 you to select a LO alarm value less than 18%. Note: The MX300 Portable Oxygen Monitor is designed to prevent crossing of HI/LO alarm settings. If you attempt to set the LO alarm higher than the HI alarm, it will push the HI alarm s...

Operation MX300 Teledyne Analytical Instruments 24 Figure 2-9: 0-1 VDC or RS 232 Digital Output Port If your instrument is set for analog (0-1 VDC) output, you can reconfigure it to use the digital output by changing a jumper on the internal PC board. To activate the digital output: 1. Remove the ba...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 25 2.2 Use 2.2.1 Procedure Note: Prior to use, always test the batteries and alarms (if applicable). Also check calibration, the sensor for leaks and damage, and the alarm settings. The AX/MX300 instruments can be used to measure a ga...

Operation MX300 Teledyne Analytical Instruments 26 R17MED sensor so that it does not interfere with the rapid exchange of gases to and from the sensing surface of the sensor. CAUTION: FAILURE TO REMOVE THE DIVERTER IN THESE APPLICATION AREAS WILL RESULT IN A MARKED LOWERING OF THE RESPONSE TIME OF T...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 27 2.3.2 Temperature The R17MED oxygen sensor adjusts for ambient temperature changes in the range of 0–40°C (32–106°F). Since the thermistor that compensates for these changes is located in the rear of the sensor assembly, it is impo...

Operation MX300 Teledyne Analytical Instruments 28 2.3.4 Discrepancy in Readings The MX300 instrument should be used to measure the oxygen concentration exiting another oxygen mixing device or life support system (i.e., a blender, incubator or anesthesia machine). The information obtained from the M...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 29 Table 2-1: Oxygen Reading Error in a Mixture of Anesthetic Gas Gas or Vapor Level (Balance: Mixture of 30% O 2 / 70% N 2 O, except where noted) Gas or Vapor Test Level Oxygen Reading Error Helium 50%, balance O 2 0% Nitrous Oxide 8...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 31 manufacturer’s instructions). Due to the varying conditions imposed on the materials during sterilization it is not possible to determine the exact number of times the sterilization processes can be carried out. Therefore, Teledyne...

Portable Oxygen Monitor Operation Teledyne Analytical Instruments 33 • Expose the LCD to excessive sunlight. • Expose the unit to a condensing water environment such as a mist tent.

Portable Oxygen Monitor Service Manual Teledyne Analytical Instruments 35 Service Manual 3.1 General Service Information The Teledyne Model MX300 Portable Oxygen Monitor is designed to be robust yet compact in size. In order to achieve maximum reliability in a microprocessor-based instrument, a sing...

Service Manual MX300 Teledyne Analytical Instruments 36 The MX300 instrument incorporates a battery test feature that provides the approximate amount of useful life remaining on the set of batteries. Excessive alarm activation will wear down the battery faster than usual. The minimum detectable chan...

Service Manual MX300 Teledyne Analytical Instruments 38 3.7.3 Pressure Virtually all gas sensors and monitors measure the partial pressure, not the percentage, of the gas that they sense. The only time that these instruments can accurately read percentages is when the total pressure does not vary ov...

Portable Oxygen Monitor Service Manual Teledyne Analytical Instruments 39 Note: The MSDS on this material is located in the Appendix. It is also available upon request through the Teledyne Environmental, Health and Safety Coordinator. Contact at (626) 934-1592 3.8 Troubleshooting The MX300 oxygen mo...

Portable Oxygen Monitor Service Manual Teledyne Analytical Instruments 41 Symptom Why What To Do The unit has stopped working and the LCD is displaying alphanumeric figures. The MX300 instruments are equipped with an electronic "watch dog," which monitors the circuitry within the unit for po...

Service Manual MX300 Teledyne Analytical Instruments 42 3.9 Watchdog The MX300 is equipped with a watchdog circuit that continuously monitors the electronics for proper operation. If the watchdog detects a failure, one of the following codes will appear on the LCD. The error codes can appear on the ...

Portable Oxygen Monitor Service Manual Teledyne Analytical Instruments 43 5 - Silence 6 - High Alarm 7 - Alarm Test 8 - Key Lock 7(2) 7 (There is no indication of the type of DAC failure) A failure has occurred during the automatic calibration of the digital to analog converter (DAC) circuit. The se...

Service Manual MX300 Teledyne Analytical Instruments 44 3.11 Return Authorization for Service For any service beyond sensor and battery replacement, the instrument must be returned to the factory. A return merchandise authorization (RMA) number must be obtained from Teledyne Analytical Instruments p...

Portable Oxygen Monitor Appendix Teledyne Analytical Instruments 45 Appendix A.1 Specifications Range: 0-100% oxygen Accuracy: +2% of full scale (at constant temperature and pressure) Response Time: 90% in less than 8 seconds at 25 °C Battery Life: Approximately 2000 hr. continuous use in a non-alar...

Appendix MX300 Teledyne Analytical Instruments 46 A.2 Spare Parts List QTY PART NO DESCRIPTION 1 C43690-R17MED Micro-Fuel Cell R17MED with flow diverter P/N A50057 3 B99 “AA” size alkaline battery 1 B69934 Cable assembly 1 A268 Tee adapter (22 mm) 1 B-74543 Front panel assembly 1 D-74459 Back panel ...

Portable Oxygen Monitor Appendix Teledyne Analytical Instruments 47 Note: Orders for replacement parts should include the part number (if available) and the model and serial number of the instrument for which the parts are intended. Orders should be sent to: TELEDYNE Analytical Instruments 16830 Che...

Portable Oxygen Monitor index Teledyne Analytical Instruments 49 Index accessories, 46 accuracy, 45 address, 44, 47 alarm setpoints, 22 alarm setpoints, 22 alarm setpoints, 10, 14 alarm settings crossover of, 23 ALARM SILENCE button, 10, 14, 15 ALARM TEST button, 23, 32 amplification, 13 analog outp...