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H25-IR Calibration
Instruction 3015-4342 27
3.4.3 Adjusting the CAL Factor
Display the Calibration Data menu by first pressing both the ENT and ESC buttons on either the
instrument’s front panel or Smart probe at the same time to display the Main menu. Next, use the Up and
Down buttons to highlight “CAL DATA”, and then press ENT to display the Calibration Data menu.
Main Menu:
SYSTEM
LOG
SETUPS
CAL DATA
DIAGNOSTICS
From the Calibration Data menu, highlight “CAL FACTOR” and press ENT to display its setup screen.
Use the Left and Right buttons to move the blinking cursor across the screen to highlight the digit to be
modified, and then use the Up and Down buttons to modify that digit. Press ENT to save the new CAL
factor value and return to the Calibration Data menu.
3.5 Restoring Factory Calibration
NOTE: Factory calibration cannot be restored if the instrument was calibrated using an
external leak source.
Restore an instrument to its factory calibration value as follows:
Display the Calibration Data menu by first pressing both the ENT and ESC buttons on either the
instrument’s front panel or Smart probe at the same time to display the Main menu. Next, use the Up and
Down buttons to highlight “CAL DATA”, and then press ENT to display the Calibration Data menu.
Main Menu:
SYSTEM
LOG
SETUPS
CAL DATA
DIAGNOSTICS
From the Calibration Data menu, use the Up and Down buttons to highlight “RESTORE FACTORY
CAL”, and then press ENT to display the RESTORE FACTORY CAL screen.
Press the ENT button to confirm restoring the instrument to its factory calibration values.
CAL FACTOR 1.000
FOR R134A
K1=310.89 K2=703.7 K3=1460.3
K4=0.0 K5=0.0
Calibration Data Menu:
CAL TYPE
EXT RATE
EXT GAS TYPE
CAL FACTOR
RESTORE FACTORY CAL
Calibration Data Menu:
CAL TYPE
EXT RATE
EXT GAS TYPE
CAL FACTOR
RESTORE FACTORY CAL
RESTORE FACTORY CAL
HIT ENTER TO CONFIRM