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MDM300 User Manual
Michell Instruments
13
INSTALLATION
2.5.1 Gas Inlet /Outlet Fittings
!
HIGH PRESSURE! High pressure gases are potentially
hazardous. Energy stored in these gases can be released
suddenly and with extreme force. High pressure systems
should be assembled and operated only by people who have
been trained in proper safety practices.
Before making a measurement, the gas fittings should be attached to the instrument as
shown in Table 3
.
1. Fit the required orifice fittings with supplied bonded seals. Ensure bonded
seals are correctly seated in recessed grooves.
- I.S.
PTFE tape here
1/8” Swagelok
fitting
Adaptor
Bonded seal
Figure 7
Bonded Seal Fitting
2. Fit any other adaptors that might be required.
3. If the small bore orifice fitting is not being utilized then one of the optional
application kits could be fitted (as shown below
).
Figure 8
Gas Coupling Examples for Atmospheric Pressure Measurement
NOTE: The application kit shown above (excluding the orifice fittings) is not
supplied as standard, but is part of a range of kits which can be ordered from
Michell Instruments, on request.
NOTE: The bonded seals used for the MDM300 are Dowty part number 400-
228-4490-74 (available from Michell instruments, part number MDM300-DS).
Summary of Contents for MICHELL Instruments MDM300
Page 1: ...MDM300 Advanced Dew Point Hygrometer User Manual 97122 Issue 16 2 June 2022 ...
Page 19: ...MDM300 User Manual Michell Instruments 11 INSTALLATION 1 4 3 6 5 2 Figure 6 Accessories ...
Page 61: ...MDM300 User Manual Michell Instruments 53 APPENDIX B Appendix B Datalog Status Display ...
Page 64: ...MDM300 User Manual 56 97122 Issue 16 2 June 2022 APPENDIX C Appendix C FCC Declaration ...