MKS 41A - Page 41

Appendix B: Model Code Explanation Model Code
33
Full Scale Range for Reverse Calibration Only (Types 41 and 42 only)
Value Comments Ordering Code
10 Torr Type 41 only 11D
30 Torr Type 41 only 31D
100 Torr Type 41 only 12D
500 Torr Type 41 only 52D
1000 Torr 13D
20 psi 21P
50 psi 51C
100 psi 12C
250 psi RDC
500 psi 52C
Examples:
The designation of a full scale range reverse calibration unit of 100 Torr is “12D”;
500 Torr is “52D”; 1000 Torr is “13D”; and 100 psi is “12C.”