Appendix B: Model Code Explanation
Model Code
61
Appendix B: Model Code Explanation
Model Code
Use the MKS Type 1179 Mass-Flo
®
Controller (MFC) when both gas flow control and
measurement are required. The instrument is available with the flow control valve in a normally
closed configuration. Use the MKS Type 179 Mass-Flo
®
Meter (MFM) when only gas
measurement is required.
The desired instrument and options are identified in the model code when you order the
unit. All parts of the product code apply to both the mass flow controller and the mass
flow meter.
The model code is identified as follows:
XXXXAXXXYZCA
where:
Type Number
Full Scale Range
Fittings
Connector
Seals
Z
A
C
XXX
Y
1179A
Valve
Type Number (XXXXA)
This designates the model number of the instrument.
The mass flow controller is identified as the Type 1179A.
The mass flow controller and a positive shutoff valve is identified as the Type 2179A.
The mass flow meter is identified as the Type 179A.
Содержание Mass-Flo 1179A
Страница 3: ...116527 P1 Rev E 3 99 MKS Type 1179A and 2179A Mass Flo Controller and Type 179A Mass Flo Meter...
Страница 8: ...Table of Contents vi...
Страница 10: ...List of Figures and Tables viii...
Страница 54: ...How To Use the Optional Input MFC only Chapter Four Operation 44 This page intentionally left blank...
Страница 66: ...How To Adjust the Valve Preload MFC only Chapter Seven Troubleshooting 56 This page intentionally left blank...
Страница 70: ...Physical Specifications Appendix A Product Specifications 60 This page intentionally left blank...
Страница 74: ...Model Code Appendix B Model Code Explanation 64 This page intentionally left blank...
Страница 84: ...How To Determine the Valve Configuration Appendix D MFC Sizing Guidelines 74 This page intentionally left blank...