SPM Single Point Monitor
SPM Technical Handbook
TOC-3
5.2.2 User Responsibility ......................................................................................... 5-3
5.2.4 Electrical Connection ...................................................................................... 5-4
5.2.5 Opening Z-Purge Enclosure............................................................................ 5-4
5.2.6 Output Connections ........................................................................................ 5-5
5.2.7 Z-Purge Servicing and Power-up Procedures ................................................. 5-6
5.2.8 Z-Purge Troubleshooting ................................................................................. 5-7
5.3 Duty Cycle Option .................................................................................................. 5-7
5.3.1 Duty Cycle Intervals ........................................................................................ 5-7
5.3.2 Setting the Duty Cycle..................................................................................... 5-7
5.3.3 Duty Cycle Concentration Reporting ............................................................... 5-8
5.4 ChemKey Option .................................................................................................... 5-8
5.4.1 ChemKey Components ................................................................................... 5-8
5.4.2 SPM Legend (71) ............................................................................................ 5-8
5.4.3 Gas Symbol/Name (72)................................................................................... 5-8
5.4.4 Alarm Levels (73) ............................................................................................ 5-8
5.4.5 Family Chemcassettes
® .................................................................................................................................................. 5-9
5.4.6 Sample Lines .................................................................................................. 5-9
5.4.7 ChemKey Operation ........................................................................................ 5-9
5.4.8 Changing Gases ............................................................................................. 5-9
5.4.9 ChemKey Faults .............................................................................................. 5-9
5.5 RS-422 Option ........................................................................................................ 5-9
5.5.1 Z-Purge SPM Connection ............................................................................. 5-10
5.5.2 Pin Designations ........................................................................................... 5-10
5.5.3 General System Wiring ................................................................................. 5-10
5.5.4 How to Set Date and Time ............................................................................ 5-10
5.6 Portable Operation ............................................................................................... 5-11
5.6.1 Battery Operation .......................................................................................... 5-11
5.6.2 How to Extend Battery Life ............................................................................ 5-11
5.6.3 Battery Power Status .................................................................................... 5-11
5.6.4 Battery Charger ............................................................................................. 5-12
5.7 Extended Sample Option .................................................................................... 5-12