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11.5.6. Screen 4: Sensor Data
Register
x-PEAK C:
x-PEAK V:
x-AVG
V:
x-ZERO V:
• PEAK C is the current peak to peak A/D counts
from detector.
• PEAK V is the current peak to peak voltage
from detector.
• AVG V is the running average voltage from
detector.
• ZERO V is the voltage measured at last zeroing
and the IR sensor output that was stored during
the last purge cycle.
Press the down arrow key to display the fifth screen:
11.5.7. Screen 5: Sensor Data
Register
x-NOISE :
:
x-AU
x-AVG AU:
x-BNCH P:
• NOISE is the largest change in running
average: 16-point running average of the noise
portion of IR bench output. This reading is
valuable mainly when refrigerant is NOT
present.
• AU is the current absorbance value.
• AVG AU is the running average of absorbance
level (Average Absorbency). In the absence of
refrigerant, the absorbency is 0.000AU. When
sampling refrigerants, its value varies
proportionally with the refrigerant concentra-
tion.
• BNCH P is PPM in bench, based on zone gas
selection (uncorrected).
Press the down arrow key to display the sixth screen:
STATUS OPTION Screen
11.5.8. Screen 6: Sensor Data
Register
x-STPPPM:
x-BNCH L:
x-AMB L :
• STPPPM is PPM corrected to STP (1 atm, 25
deg C).
• BNCH L is micromoles/liter in bench
(uncorrected).
• AMB L is micromoles/liter corrected to
ambient pressure.
Press the down arrow key to display the seventh
screen:
11.5.9. Screen 7: Communication
Statistics
NO
SENT
TRY
1: <ct>
<ct>
2: <ct>
<ct>
3: <ct>
<ct>
• SENT is total messages sent.
• TRY is number of retries needed for a message.
• NO is no response after all four tries.
• 1: <ct> <ct> <ct> is RLDS 1 count for each
statistic.
• 2: <ct> <ct> <ct> is RLDS 2 count for each
statistic.
• 3: <ct> <ct> <ct> is RLDS 3 count for each
statistic.
Press the down arrow key to go back to the
STATUS OPTION screen. Your changes are saved
and the data is written. Statistics are cleared on reset.
<ct>
<ct>
<ct>
Main Screens • 59
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