Model Code Description Appendix D: Model Code Explanation
64
Pressure Range (XXX)
The transducer enclosed in the 640B Series controller, is available in five standard full-scale
ranges. The full-scale pressure is defined by a two number one letter designation.
Pressure Range Selection
Full-scale Pressure Order Code
10 Torr 11T
100 Torr 12T
1000 Torr 13T
60 psi 61P
100 psi 12P
Table 12: Pressure Range Selection
Fitting Number (Y)
The 640B Series controller has a range of fitting options, selected by a single letter code.
Fitting Type Selection
Fitting Choice Order Code
Cajon 4-VCR, male W
Cajon 8-VCR, male T
¼” Swagelok S
Counter bore C-seal (SEMI 2787.1) C
Fujikin W-seal* (SEMI 2787.3) H
* Consult factory for availability
Table 13: Fitting Type Selection
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