Bacharach H25-IR - Manual (Page 40)

Operation H25-IR
34 Instruction 3015-4342
Total screen. Note that the display is auto ranging, causing the decimal point to turn off above the value 99.9. In
the example below, the total of all logged measurements is 78.5 Oz/yr.
4.2.10.4 Setting the Log Limit
The ability to set a log limit is useful when using the H-25IR to log the leak rate of a system that has a maximum
permissible total leak rate. A relay can be programmed to energize when the total of all logged measurements
(up to 50) equals the log limit (refer to Section 2.5.3 Relays).
To set the log limit, first display the Log menu as described in Section 4.2.10. Next, use the Up and Down
buttons to highlight “LOG LIMIT” and then press the ENT button to display the Log Limit 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 log limit value and return to the Log
menu.
4.3 Fault Conditions
When the instrument’s diagnostics detects that a fault has occurred, the word “FAULT” appears in place of the
Gas Type, and a beep will be heard every 2 seconds.
The cause of the fault can be determined by viewing the Diagnostic menu’s Last Fault function. To display the
Diagnostics menu, first press 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
“DIAGNOSTICS” and then press ENT to display the Diagnostics menu.
Main Menu:
SYSTEM
LOG
SETUPS
CAL
DATA
DIAGNOSTICS
FACTORY
Select “LAST FAULT” to display the Last Fault screen. Refer to Section 5.1.2 Last Fault for a listing of the type
of faults that are tracked by the diagnostics, and for information on how to possibly correct the fault.
When the cause of the fault has been corrected, the FAULT message and the beep are automatically
turned OFF.
LOG TOTAL
COMBINED LEAK RATE
= 78.5 Oz/yr
LOG LIMIT
IS 99
9 .00 Oz/yr
Diagnostics Menu:
SENSOR DATA
LAST FAULT
IR EMITTER
PRESSURE
LOOP
TEST
CLR LAST FAULT
AUTO GAIN
Fault has occurred
Oz/yr
FAULT
SETUP
SM SRCH