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Preparing for Operation H25-IR
12 Instruction 3015-4342
2.4 System Setup
When shipped from the factory, the H25-IR has been configured according to its part number as described
in Appendix “A”. To change any of the instrument’s system parameters, first enter System Setup by
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 “SYSTEM”, and
then press ENT to display the System Setup menu.
Main Menu:
SYSTEM
LOG
SETUPS
CAL DATA
DIAGNOSTICS
From the System Setup menu, use the Up and Down buttons to highlight the desired function. Press
ENT to select that function and display its setup screen. Then perform the appropriate system setup
procedure as described in Sections
2.4.1 thru 2.4.9.
2.4.1 Gas Type
The GAS TYPE function displays a list of gases that the instrument is programmed to monitor. Refer to
Section
7 Specifications for a complete list of these gases.
Use the Up and Down buttons to highlight the desired gas. Press ENT to save the selection.
2.4.2 Leak Units
The LEAK UNITS function displays a list of leak rate units of measure that the instrument is capable of
displaying. Leak rates can be displayed in units of ounces/year (Oz/yr), grams/year (g/yr), milliliters/second
(mL/s), Pascal Meters
3
/second (PaM/s), or parts per million (ppm).
Use the Up and Down buttons to highlight the desired leak units. Press ENT to save the selection.
System Setup Menu:
GAS TYPE
LEAK UNITS
RELAYS
LOOP
BRIGHTNESS
CLOCK
PCHK MODE
PROBE BUTTON
RESET DEFAULTS
LEAK UNITS Oz/yr
g/yr
mL/s
PaM/s
ppm
GAS TYPE < R134
A
R401A
R402A
< R402B