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CBNAAT Annual Maintenance Protocol
Learning ObjectivesCBNAAT Annual Maintenance Protocol
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The annual maintenance protocol for the Cartridge-based Nucleic Acid Amplification Test (CBNAAT) instrument involves calibration of the machine.
Calibration:
- Calibration of the CBNAAT instrument is performed by the manufacturer before the system is shipped.
- Calibration is not required during the initial system setup.
- The manufacturer recommends that the system should be checked for proper calibration on an annual basis (or after every 2,000 runs on each instrument module).
- Based on the usage and care of the system, calibration checks may be recommended more frequently.
- The service engineer will perform the machine check during the annual maintenance visit.
Parameters Verified During Calibration
One calibration cartridge is used to calibrate a single module in conjunction with the calibration software.
- Recalibrate the optical system
- Verify the thermal system
- Module sub-system functionality: A series of system-level tests to ensure full system functionality within the instrument servicing specifications as provided by the manufacturer, and covers:
- Heater and fan performance
- Syringe drive and pressure performance
- Valve drive performance
- Ultrasonic horn performance
- Electronic components performance
Figure: Temperature Calibration of the CBNAAT Instrument
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