Operating Manual 3
Messkonzept GmbH · Niedwiesenstr. 33 · 60431 Frankfurt · Germany
1. Operator safety .................................................................................................5
1.1 Notes on Safety Conventions and Icons ........................................................... 5
1.2 Warning Notices...........................................................................................6
1.3 Safety Instructions ........................................................................................7
2. Determining Concentrations via Thermal Conductivity............................................ 8
2.1 Principle of Measurement.............................................................................. 8
2.2 Principle of Operation ...................................................................................9
2.3 Measuring Gases and Ranges ......................................................................10
3. Assembly of the Instrument ..............................................................................11
3.1 FTC300 Detector Unit.................................................................................11
3.2 Installation of the FTC 300..........................................................................12
3.3 Gas Ports...................................................................................................12
3.4 Electrical Connectors and Earth....................................................................13
3.4.1 Requirements for electrical connectors..........................................................15
3.4.2 Ground......................................................................................................15
3.4.3 RS-232 Interface........................................................................................16
3.5 Particular Features of the FTC300................................................................... 17
4. The Front Panel .............................................................................................18
4.2 System Alarm Indicator (red) .......................................................................19
4.3 System Maintenance Indicator (yellow) ......................................................... 19
4.4 Operation Indicator (green) ..........................................................................19
4.5 RIGHT / Selection Key.................................................................................19
4.6 UP / Selection Key......................................................................................19
4.7 ENTER / Termination Key............................................................................ 19
5. Switching on the device ...................................................................................20
5.1 Warm up Screen ........................................................................................20
5.2 Operation Screen........................................................................................ 21
5.3 Top Level Main Menu ................................................................................. 21
6. Calibration......................................................................................................22
6.1 Set Offset Gas Concentration........................................................................22
6.2 Set Gain Gas Concentration ......................................................................... 23
8.3 Offset Calibration........................................................................................ 24
6.4 Gain Calibration .........................................................................................24
7. Diagnosis .......................................................................................................25
7.1 Parameter Menu......................................................................................... 25
7.2 Errors........................................................................................................ 26
8. Setup............................................................................................................. 27
8.1 Unit Setup .................................................................................................28
8.1.2 Measuring Gas Setup ...............................................................................29
8.1.3 Response Time Setup ..............................................................................30
8.1.4 Multi Gas Mode List (useful with Option MGM only)....................................31
8.2 Relays.......................................................................................................32
8.2.1 Relay 1 Mode .........................................................................................32
8.2.2 Relay 1 Threshold ...................................................................................33
8.2.3 Relay 1 Hysteresis...................................................................................33
8.2.4 Relay 1 Failsafe / Not failsafe....................................................................34
8.2.5 Relay 1 active/frozen during Calibration .....................................................34
