VS Series Helium Mass Spectrometer Leak Detectors
3-22
DRAFT 4/
23/15
3.1.8.3 Internal Calibrated Leak
❑ Press Internal Calibrated Leak.
The Internal Calibrated Leak screen appears (Figure 3-17).
Figure 3-17 Internal Calibrated Leak
To use thi s s c r e en:
1. Press a button to activate its field.
A keypad appears.
2. Enter the required values as shown on the calibrated leak label.
3. Repeat step 1 and 2 for each desired item.
4. Press Done to exit the screen.
The value of the internal calibrated leak, as shown on the CALIBRATION SET-UP and
CONTROL PANEL screens, is compensated for temperature using the calibrated leak
temperature sensor. The calibrated leak is not compensated for temperature if any of the
following conditions exist:
❑ The temperature sensor on the calibrated leak fails or there is a cable connection
problem.
❑ The temperature sensor reading is out of the operating range. The operating
temperature range is from 10.0 to 45.0° C (50 to 113° F).
❑ The internal calibrated leak is not a E-7 or E-8 range leak.
0 1 2 3 4 5 6 7 8 9 10
-
10
INTERNAL CALIBRATION LEAK
INTERNAL LEAK VALUE
CAL LEAK EXPIRATION
1.4E-07
24
08/02/2006
DONE
Accesses the
Internal Leak Value
keypad.
Sets the temp.
at which the leak
Accesses the
Cal Leak Expiration
Set-Up screen.
was calibrated.
TEMPERATURE °C
±
-3
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