E Instruments E500, User Manual

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3. Once in the ‘On site calibration’ menu, is shown the list of the installed sensors for which the
recalibration is available. In the recalibration screen all information related to the last performed
calibration is shown, as well as the relevant values.
Calibrate
: saves new calibration
Status
: not active: returns to the factory
calibration
active: returns to the last
calibration made by the
----:
user
no ‘on site calibration’
has been previously
stored
Elapsed time : timer
Applied gas : enters the
concentration of the
applied calibration
gas
Measured gas : Measurements the
concentration of the
applied gas
Is : 'Is' current from the
sensor
Ia : 'Ia' current from the
sensor
4. In the following is described in detail a recalibration example for CO sensor .
CHOOSE THE SENSOR TO BE RECALIBRATED AND PROCEED AS DESCRIBED (CO SENSOR
EXAMPLE):
•
Connect the known concentration gas cylinder to the instrument as shown in the following diagram:
GAS CYLINDER FLOW METER COMBUSTION ANALYZER
WARNING!
Adequate ventilation must be provided when working with toxic gases, particularly the flow
meter and instrument outputs must be evacuated by a ventilation system.
OK
15/06/18 10:00
ON SITE CALIB.
► S2:CO OK
S3:CO OK
15/06/18 10:00
ON SITE CALIB.
► Calibrate
Status ---
El. time
App. gas 100.0 p
Meas.gas 100.0 p
Is
2.22
Ia 0.17