Operation; Sample Gas Connection; Operating Procedure; Figure 8 Sample Line Connection To Gas In Port - Michell Instruments MDM300 User Manual

OPERATION

3 OPERATION
3.1

Sample Gas Connection

Gas is introduced to the system by connecting the sample take-off line to the GAS IN
port, as shown in Figure 8.
If required, connect a vent line to the BYPASS port, and to the fl owmeter vent (if fi tted).
3.2

Operating Procedure

1. Connect an instrument to the sample gas as detailed in Section 3.1.
2. Fully open the isolation valve.
3. Refer to the Operation Guide section in the relevant MDM300 user's
manual for condition specifi c instructions on operation.
4. Depending on the sample pressure it may be necessary to use the bypass
fl ow control to overcome sample fl ow control diffi culties.
6
MDM300 Sampling System User's Manual
- I.S.
Sample Line Connection to GAS IN Port
Figure 8
FLOWMETER (FM1)
OPTIMAL FLOW
0.2 - 0.5 L/MIN
NEEDLE VALVE
(NV1)
BYPASS VENT
SAMPLE INLET
MAX 100 BARG
BYPASS VALVE
(NV3)
97232 Issue 1.4, October 2016