EC900 Series Operation Manual V4.7
Table of Contents
1.0 PREFACE .................................................................................................................................. 1
1.1 Important .......................................................................................................................................... 2
2.0 INTRODUCTION ....................................................................................................................... 3
3.0 WARRANTY .............................................................................................................................. 4
3.1 Instrument Warranty ......................................................................................................................... 4
3.2 Measuring Cells Warranty ................................................................................................................ 4
4.0 ISOLATION VALVE OPERATING ORDER.............................................................................. 5
5.0 PRINCIPLE OF OPERATION ................................................................................................... 5
6.0 TECHNICAL SPECIFICATIONS ............................................................................................... 6
7.0 INSTALLATION ........................................................................................................................ 8
7.1 Instrument Installation ...................................................................................................................... 8
7.2 Gas Installation ................................................................................................................................ 9
7.3 Electrical Installation ...................................................................................................................... 10
8.0 USING THE INSTRUMENT..................................................................................................... 10
9.0 INSTRUMENT OPERATION ................................................................................................... 11
10.0 CHANGING PROGRAMME CODES ...................................................................................... 12
10.1 Front Panel Guide ........................................................................................................................ 13
10.2 Data Table Programmable Functions ........................................................................................... 14
11.0 PROGRAMME CODES ........................................................................................................... 17
13.0 CALIBRATION ........................................................................................................................ 20
13.1 Calibration with Atmospheric Air .................................................................................................. 20
13.2 Calibration with Certified Gas ....................................................................................................... 21
13.3 Automatic Calibration option ........................................................................................................ 22
14.0 USB and RS485 COMMUNICATIONS ................................................................................... 24
14.1 Installing the USB Driver Software ............................................................................................... 24
14.2 Installing the COMMS UTILITY SOFTWARE ............................................................................... 25
14.3 Determining the installed Comms Port. ........................................................................................ 28
14.4 Running the COMMS Utility Software. ......................................................................................... 30
14.5 USB Commands For Use with the EC900.................................................................................... 32
14.6 RS485 .......................................................................................................................................... 33
15.0 OPTIONAL FACILITIES .......................................................................................................... 34
15.1 Analogue Outputs (Option) ........................................................................................................... 34
15.2 Alarm Trip (Option) ....................................................................................................................... 34
15.3 Sample Pump ............................................................................................................................... 35
16.0 FAULT MESSAGES/ALARMS ............................................................................................... 36
17.0 REPLACING THE MEASURING CELL .................................................................................. 37
17.1 Resetting the Calibration Range and Life Counter ....................................................................... 38
18.0 SPARE PARTS ....................................................................................................................... 39
19.0 SERIAL NUMBER SUFFIX DETAILS .................................................................................... 41
Appendix 1 Drawing Number B900-176 ......................................................................... 42
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