4
2.6 Sensors ...................................................29
2.6.1 Oxygen sensor .........................................29
2.6.2 Electro-chemical sensors ................................29
2.6.3 Pellistor sensors .......................................30
2.6.4 Pellistor saver mode ....................................30
2.7 T4 menu icons ..............................................31
2.8 Accessing T4 menu functions .................................32
2.8.1 Home screen ...........................................32
2.8.2 Information Screen ......................................32
2.8.3 Manual zero ............................................33
2.8.4 Peak Mode .............................................34
2.8.5 Bump Test .............................................35
2.8.6 Calibration .............................................37
2.8.7 STEL (Short term exposure limit) ..........................39
2.8.8 TWA (Time weighted average) .............................39
2.8.9 Shutdown .............................................39
2.9 Data Logging ...............................................40
2.10 Event logging ..............................................40
2.11 Bump Test ................................................41
2.12 Calibration ................................................42
2.13 New sensor calibration/service ...............................42
2.14 T4 Aspirator Plate ..........................................43
3. Service and maintenance ..............................45
4. Specication .........................................46