Table of Figures 
Figure 5—1: Power switch .................................................................................................................... 10 
Figure 5—2: LED indicator lights & fuse holder ................................................................................... 10 
Figure 5—3: Coin cell battery ............................................................................................................... 11 
Figure 5—4: Standby mode ................................................................................................................. 12 
Figure 5—5: Power switch .................................................................................................................... 12 
Figure 5—6: Operation mode ............................................................................................................... 12 
Figure 6—1: Inside view ....................................................................................................................... 13 
Figure 6—2: Boot .................................................................................................................................. 14 
Figure 6—3: Version ............................................................................................................................. 14 
Figure 6—4: Standby mode ................................................................................................................. 14 
Figure 6—5: Three sources .................................................................................................................. 14 
Figure 6—6: Peripheral scheduler........................................................................................................ 15 
Figure 6—7: Start a manual measurement ........................................................................................ 15 
Figure 6—8: Oil switching ..................................................................................................................... 15 
Figure 6—9: Stop a measurement ....................................................................................................... 16 
Figure 6—10: Measurement data ........................................................................................................ 16 
Figure 6—11: Measurement in progress ............................................................................................. 16 
Figure 6—12: Standby mode ............................................................................................................... 16 
Figure 6—13: Countdown & Purge ...................................................................................................... 17 
Figure 6—14: Take sample & Standby................................................................................................. 17 
Figure 6—15: Communication channels ............................................................................................. 17 
Figure 6—16: Networking .................................................................................................................... 18 
Figure 6—17: GSM / GPRS modem ...................................................................................................... 18 
Figure 6—18:  LCD error format ........................................................................................................... 19 
Figure 6—19: LCD error example ......................................................................................................... 19 
Figure 7—1: Oil filters and sampling port (front view) ........................................................................ 21 
Figure 7—2: Valve orientation.............................................................................................................. 21 
Figure 7—3: Sampling assembly ......................................................................................................... 21 
Figure 7—4: Luer fitting on assembly .................................................................................................. 21 
Figure 7—5: Manual oil sampling flowchart ....................................................................................... 22 
Figure 8—1: Air filter ............................................................................................................................. 24 
Figure 8—2: Metallic hood ................................................................................................................... 25 
Figure 9—1: Oil filter ............................................................................................................................. 26 
 
List of Tables 
Table 3—1: Technical specification ....................................................................................................... 8 
Table 4—1: Type tests ............................................................................................................................ 9 
Table 5—1: External LED status indicators ......................................................................................... 10 
Table 6—1: Errors ................................................................................................................................. 20 
Table A—1: Timing ................................................................................................................................ 28 
Table A—2: UNIX time registers ........................................................................................................... 28