Co Calibration Check - Nellcor NPB-75 Service Manual

Table 10-1: CO
Objective
Check the Press the gas
measured valve for 15
values shown in seconds until the
Vol% in the readings stabilize
EtCO digital
2
display.
Calibration is not required if the measured value is the same
as the concentration of the calibration gas (±0.5%) e.g.
Concentration of calibration gas used is 5% (CO
measured value should be between 4.8%-5.2%, therefore,
calibration is not required.
To reset and
return to
measuring
mode
(automatically
erasing event
messages)
To exit service Turn off the
mode and save
event messages
If the reading is outside these limits, calibration is required.
Refer to Table 10-2: "Calibration Process" for the calibration
process procedure.
Section 10: Performance Verification
Calibration Check (Continued)
2
Action
long press
monitor
Result
); the
2
10-5