Eagle Home Products Eagle Series User Manual download pdf (Page 17)

Eagle Instruction Manual Operation • 11

CAUTION:Do not use gas from a cigarette lighter to test response to

combustibles. Exposing the combustible gas sensor to

uncontrolled high concentrations of gas will reduce response

and sensor life.

4. Verify that the Eagle is operating correctly. Use the RKI Check Kit

to easily verify correct operation of the Eagle.

WARNING: If the Eagle does not respond to veriﬁcation, take it to a

known “fresh-air” environment, then perform the

demand zero procedure described in “Preparing for

Calibration” on page 41. Repeat step 4 before using the

Eagle in a potentially hazardous location.

Normal Operation

The Eagle continuously monitors the sampled atmosphere and

displays the gas concentrations present for its target gases. In a low-

light environment, press any button to turn on the display backlight.

(See “Updating the Back Light Setting” on page 36 to program

backlight duration.) If the Conﬁrmation Beep option is turned on, the

Eagle beeps once every 15 minutes to verify that it’s on the job.

To use the probe, insert it into the monitoring area and wait a few

seconds for response.

NOTE: Response time increases with the length of the sample hose.

Very long sample hoses may require several seconds to show

response at the Eagle.

Monitoring Combustible Gas in the PPM Range

1. Start the Eagle in the LEL range as described in “Starting Up the

Eagle” on page 9.

2. Allow the combustibles sensor to stabilize (3 to 5 minutes). This

stabilization period is required for the PPM range only.

3. Press the LEL/PPM button. The Eagle displays PPM in place of

LEL% for combustible gas, and the gas reading displays in parts

per million.

4. If the PPM reading is not zero, take the Eagle to a fresh air

environment, then perform the demand zero procedure as

described in “Preparing for Calibration” on page 41.

NOTE: For the data logging option, combustible gas readings are

logged in %LEL regardless of the LEL/PPM setting.

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Eagle Home Products Eagle Series User Manual Page 17