MKS Baratron 722B, Instruction Manual

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Chapter Two: Installation U How To Check the Transducer Zero
Highest Pressure for Proper Zero Adjustment
Full Scale Range Pressure
1 Torr <5 x 10
-5
Torr
2 Torr <2 x 10
-5
Torr
10 Torr < 5 x 10
-4
Torr
100 Torr < 5 x 10
-3
Torr
500 Torr < 5 x 10
-3
Torr
1000 Torr < 5 x 10
-2
Torr
30 psia < 1 x 10
-3
psia
100 psia < 5 x 10
-3
psia
500 psia < 2 x 10
-2
psia
Table 10: Highest Pressure for Proper Zero Adjustment
Span Adjustment
The span setting may require adjustment periodically. Only adjust the
SPAN
pot in conjunction
with a calibration transfer standard. Do not adjust the span setting if a calibration transfer
standard is not available. Instead, send the unit back to an MKS Service Center for calibration.
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