APPENDIX A - SPECIFICATIONS
A.1.11 Calibration intervals
Cartridgedependent.ThereisnoroutinecalibrationoftheTransmitterUnitorCertiedSensor
electronics
.
A.2 CARTRIDGES
TheCertiedSensorcanbettedwithanyoneofanumberof
interchangeable cartridges. Each replaceable cartridge contains a gas
sensing transducer and its calibration/manufacturing information. It is
possible to replace the cartridge without removing the power from the
CertiedSensor,eveninhazardousenvironments.
Threetypesofcartridgeareavailable:
• electrochemical cell
• catalytic (SG16 type)
• Oxygen