Bacharach H25-IR - Manual (Page 18)

Preparing for Operation H25-IR
12 Instruction 3015-4342
At the end of warm-up the Data Display screen appears. This screen shows the current gas measurement, leak
units, gas type, setup name, range, and mode of operation. In addition, a graphical display of the relative gas
level is provided by a bar graph that moves up the screen with increasing gas levels. Note that the sensitivity of
the bar graph is dependent on the Range setting.
2.5 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 2.5.1 thru 2.5.9.
2.5.1 Gas Type
The GAS TYPE function displays a list of gases that the instrument is programmed to monitor. Refer to Section
6 for a complete list of these gases.
Use the Up and Down buttons to highlight the desired gas. Press ENT to save the selection.
2.5.2 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.
Oz/yr
R134A
SETUP
SM SRCH
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 Measurement
Leak Units
Gas Type
Setup Name (first 8 characters)
Range and Mode
Graphical Display of Relative Gas Level
GAS TYPE < R134A
R401A
R402A
< R402B