Eagle Home Products Eagle Series User Manual download pdf (Page 27)

Eagle Instruction Manual Display Mode • 21

TWA/STEL Screen

The TWA/STEL screen displays the time-weighted average (TWA)

and the short-term exposure limit (STEL) readings for toxic gases only.

The TWA reading is the average reading during the last 8 hours. If 8

hours have not elapsed since the last time the TWA/STEL reading

was cleared, the average is still calculated over 8 hours. The missing

time is assigned a 0 value for readings.

The STEL reading is the average reading during the last 15 minutes.

Battery Voltage Screen

The Battery Voltage screen displays the minimum operating voltage

and present battery voltage. New alkaline batteries typically measure

6.0 V; fully-charged Ni-Cd batteries typically measure 5.2 V. This

screen also displays when you turn on the Eagle.

NOTE: The remaining screens only display if your Eagle includes the

data logging option. If your Eagle does not include the data

logging option, press the DISP/ADJ button to return to the

normal screen.

Date/Time Screen

The date/time screen displays the current date and time. You can set

the date and time in Calibration or Setup mode (see page 38).

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Eagle Home Products Eagle Series User Manual Page 27