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GEN.S.20/296

 

April 2020

 

MR105D

 

MRI Room Oxygen Monitor 

-

 SafeAir®

 

OPERATORS MANUAL

 

Summary of Contents for SafeAir Room Oxygen Monitor

Page 1: ...GEN S 20 296 April 2020 MR105D MRI Room Oxygen Monitor SafeAir OPERATORS MANUAL ...

Page 2: ...m exposure to any MR environment MR SAFE items are composed of materials that are electrically non conductive non metallic and non magnetic MR CONDITIONAL An item with demonstrated safety in the MR environment within defined conditions including conditions for the static magnetic field the time varying gradient magnetic fields and the radiofrequency fields Supplementary marking additional informat...

Page 3: ...regarding operation service and maintenance If you have any problems in the meantime or would like any advice about this or any other MR products from the Wardray Premise range please contact us at our Head Office Wardray Premise Limited Hampton Court Estate Summer Road Thames Ditton Surrey KT7 0SP UK Tel 44 0 20 8398 9911 Fax 44 0 20 8398 8032 E mail sales wardray premise com Kindly note If you m...

Page 4: ...ve a warning of depleted oxygen levels in the scan room The unit is simple to fit either during the installation of the scanner or retro fitted into existing MRI rooms afterwards and does not require the scanner to be ramped down It can be linked into an extraction system to allow automatic switch on if oxygen levels drop The normal oxygen concentration should be 21 Any variation will be rapidly d...

Page 5: ... V DC Transformer Part No MR40 LR 2 2 pin European continental socket plug 3 3 pin UK socket plug 4 30m Flexible PVC hose 5 Vent Relay Emergency Extract Connector 6 Envitec Instructions for use and PC software CD 7 8 Envitec Short manual leaflet 1 2 3 4 5 6 7 8 ...

Page 6: ...air sampling pipe becomes blocked or kinked or after an extended operational time the HEPA filter reduces airflow and needs replacing See page 12 In this condition the O2 sensor will not sense enough oxygen and the Envitec unit will also alarm until the airflow is restored and the O2 is back to its normal levels The Envitec alarm will cause the oxygen display to turn red the Vent Active light on t...

Page 7: ...DC Power supply in Alarm buzzer Air inlet MR105D SafeAir Room Oxygen Monitor parts reference Airflow Fault light Vent Active light Vent Reset Battery off Envitec O2 Oxygen Monitor Serial No Reset button Fuse Emergency Extract Connector ...

Page 8: ... plug inserted in a suitably positioned wall socket 4 Connect the PVC flexible hose to the chromed Air Inlet nozzle on the back of the unit Fig 2 5 The other end of the flexible hose should be routed through a suitable open wave guide into the MR Scan room allowing the hose to be routed to the close proximity of the cold head of the MRI scanner This is usually within the suspended ceiling cavity a...

Page 9: ...9 Drawing 1420C ...

Page 10: ...clear the condition by pressing the Vent Reset switch on the front of the unit below the Vent Active LED see Page 11 opposite Fig 4 On newly installed systems or systems where the O2 sensor has been replaced see Page 12 for instructions the Envitec unit will generally need to be recalibrated This can be done with a 100 O2 source or more commonly with the current ambient levels of O2 assumed to be ...

Page 11: ...omptly 2 Then unplug from the mains and press the battery on off button again this will silence the alarm Important note Failure to turn off the Envitec unit whilst the SafeAir unit is unplugged will cause the Envitec internal battery to go flat This may cause the display to lock up with an invalid O2 level displayed If the unit has been powered down incorrectly not following the steps above and t...

Page 12: ...of the air filter Replace the filter and reconnect both inlet and outlet air lines making sure that the inlet side of the filter faces the inlet nozzle Side with the writing on see Fig 2 Ensure that the air lines are securely connected Re fit the back case with the six screws Check the operation and calibration of the oxygen monitor by switching on the pump battery and monitor See Power up guide o...

Page 13: ...13 Medical Oxygen Sensor Fuel Cell Fuel Cell cable connector Ease out gently here Fig 1 HEPA Vent Filter Fig 2 O2 Sensor T Piece Housing ...

Page 14: ... a soft disposable cloth soaked in isopropyl alcohol Do not allow any moisture to enter the device Warranty The SafeAir Oxygen Monitor comes with a 12 months warranty against defective components or faulty workmanship Please register your product with us via the Warranty Registration Form see page 15 for ease of contact in case of urgent upgrades or recalls If the unit is damaged please do not att...

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