MKS Mass-Flo 179A - Appendix B: Model Code Explanation; Model Code

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 Ran
g
e
Fittin
g
s
Connector
Seals
Z
A
C
XXX
Y1179A
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.