MPD Operating Manual
3
Safety......................................................................................................5
1. Introduction .......................................................................................8
1.1.1 Naming Conventions .......................................................8
1.2 Principle of Operation ..............................................................9
1.2.1 Catalytic Bead Sensor MPD-**-CB1 ................................9
1.3 Accessories .............................................................................. 9
1.3.1 Collecting Cone .............................................................10
1.3.2 Weatherproof Cap ..........................................................10
1.3.3 Sample / Calibration Gas Flow Adaptor ........................11
1.3.4 Gassing Point Assembly ................................................ 11
1.3.5 Duct Mount Kit ...............................................................12
1.3.6 Filters .............................................................................12
2. Installation .......................................................................................13
2.1 Unpacking ...............................................................................13
2.2 Sensor Orientation .................................................................13
2.3 MPD Remote Mount ...............................................................13
2.4 Wiring ...................................................................................... 14
2.4 Cable Connections .................................................................14
2.5 Fitting Sensors ....................................................................... 15
3. Fitting Accessories .........................................................................16
3.1 Collecting Cone ......................................................................16
3.2 Weatherproof Cap .................................................................. 16
3.3 Sample/Calibration Gas Flow Adaptor .................................16
3.4 Filters ......................................................................................16
3.5 Duct Mount Kit ........................................................................16
4. Maintenance.....................................................................................17
4.1 General ....................................................................................17
4.2 Cleaning .................................................................................. 17
5. Faults ................................................................................................18
6. Functional Gas Test (Bump Test) .................................................. 19
6.1 Sensor without Accessories ................................................ 19
6.2 Sensor with Collecting Cone or Weatherproof Cap ............19
6.3 Sensor with Sample/Calibration Gas Flow Adaptor ...........19
7. Calibration ........................................................................................20
7.1 Zero and Span Calibration for MPD Sensors with XNX
Universal Transmitter ..............................................................20
7.2 Cross Calibration procedure for MPD-CB1 .........................22
7.3 MPD-CB1 Flammable Sensor Operational Life ...................24
7.4 Meter Multiplication Factors for MPD-IF1 ............................24
8. Replacement Parts .......................................................................... 25
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