2.2  CERTIFIED SENSOR
TheCertiedSensorconsistsofthesensorbodyandoneoffourtypesofreplaceablegascartridge
andtheelectronicstooutputgassensingdatatotheApexTransmitterUnit.TheCertiedSensor
canbettedwithanyoneofanumberofaccessories,themajorityofwhichtinplaceofthesensor
cap (see 2.3). 
Thefourtypesofcartridgeare:
  •  electrochemical cell
  •  catalytic (SG16 type)
  •  oxygen 
  •  thick lm
Caution: Onlycartridgeswiththefollowingpartnumberscanbettedtothe 
CertiedSensor:
   2110B30x0, 31x0, 32x0, 33x0, 34x0, 35x0 series
   2110B3700 - 2110B3999 range
CertiedSensorapprovedtoCSA C22.2 No. 152onlywhenttedwithspeciccartridgesinstalled.
Seespecicationsfordetails.
The sensor should be mounted in the vertical orientation with the cartridge facing downwards.
2.  OVERVIEW