ENMET 04615-001, Manual

Page 1: ...Arbor MI 48106 0979 80015 102 revised 08 16 91 MCN 204 04 16 99 MCN 256 06 07 01 MCN 270 12 17 01 ISA 40M Oxygen Monitor For MRI Scanner Applications For P N s 04615 001 04615 101 04615 002 04615 102...

Page 2: ...Atmospheric Pressure Variations 10 4 4 Temperature Variations 10 5 0 MAINTENANCE 11 5 1 Cell Aging 11 5 2 Cell End of Life 11 5 3 Circuit Alignment 11 5 4 Circuit Breakers Fuse 13 6 0 ISA 40M SPECIFI...

Page 3: ...through the ISA 40M 4 NOTE All specifications stated in this manual may change without notice 1 1 Unpack Unpack the ISA 40M and examine it for shipping damage If such damage is observed notify both EN...

Page 4: ...l Alarms LED Red Visual alarm steady light When this LED is on power to the unit is on and the unit is in high alarm LED Green When this is on the unit is operating and is not in alarm When this LED i...

Page 5: ...ting the electronics control unit See Figure 2 for mounting dimensions NOTE All dimensions are given in inches 2 Apply 110 VAC and or 12 VDC power to the appropriate terminals on TB5 and TB3 Refer to...

Page 6: ...oldering iron 18 gauge or larger insulated wire and 60 tin 40 lead resin sore solder CAUTION This procedure should be performed only by personnel with electrical repair experience 1 Disconnect power f...

Page 7: ...ackage 3 Remove the metal shorting clip or spring from cell pins See Figure 3 4 Plug the cell into the component side of the cell circuit board center pin to center hole See Figure 3 Place the board i...

Page 8: ...xygen Cell TB1 2 O2 TBS 3 2 Oxygen Cell TB1 2 O2 TBS 4 3 Oxygen Cell TB2 3 O2 TBS 3 3 Oxygen Cell TB2 3 O2 TBS 4 4 Oxygen Cell TB2 4 O2 TBS 3 4 Oxygen Cell TB2 4 O2 TBS 4 Figure 4 Interior View of Sen...

Page 9: ...horting clip or spring from the cell See Figure 4 8 Plug the cell into the component side of the cell circuit board in the oxygen sensor assembly insert the center pin of the cell into the center hole...

Page 10: ...y contacts to an inappropriate load See Wiring Information Tables 3 4 and Sections 3 3 1 and 3 3 2 and the Figure 6 Utilizing Relay Contacts Internal view of ISA 40M Suggested wiring configuration for...

Page 11: ...4 TB4 4COM Common 3 3 2 Latching Relays Latching relays are available on TB7 the terminal strip located on the auxiliary relay circuit assembly located on the upper surface of the control unit enclosu...

Page 12: ...ow 32 F 0 C or above 130 F 55 C Never adjust the oxygen cell in an area where an oxygen deficiency may exist Always adjust the oxygen cell in fresh air Use bottled air if necessary Avoid exposure to t...

Page 13: ...mote sensor assembly with audio alarm disconnect the ground side of the sensor assembly audio alarm during this process to avoid spurious alarms while changing the cell reconnect it when done 5 3 Circ...

Page 14: ...e the oxygen cell is properly connected by measuring the voltage between the cell leads this voltage must be between 0 043 and 0 09 VDC c Measure the Low Level Set voltage for the channel by connectin...

Page 15: ...ttled 20 9 oxygen to the sensor for a couple of minutes then adjust gain e If possible exhale all your breath over the oxygen cell The meter reading should drop and the oxygen alarm should come on at...

Page 16: ...ating Temp Range 32 F to 125 F ENMET Warranty 6 months form shipment Size 1 25 diameter by 0 80 long Weight 26 grams Expected Life Up to 14 months in air NOTE All specifications stated in this manual...

Page 17: ...information can result in processing delays ENMET charges a one hour minimum billing for all approved repairs with additional time billed to the closest tenth of an hour All instruments sent to ENMET...

Page 18: ...e difference between the most economical means and the expedient mode ENMET shall not be liable for any loss or damage caused by the improper use of the product The purchaser indemnifies and saves har...