Eagle 2

Question 1

What does the Eagle 2 read?

Answer 1

O2, LEL, CO, H2S

Question 2

What 3 modes can it operate in?

Answer 2

*Normal- Area monitoring

Bar hole- Searching for underground gas leaks

Leak check- Locating leaks in valves and piping

Question 3

What batteries do we use and how many? How many operating hours?

Answer 3

4 C batteries will allow for 16 hours of battery life

Question 4

Operating temperature range?

Answer 4

-20 degrees C to -50 degrees C

Question 5

What percent of humidity can it operate in?

Answer 5

Below 85% humidity

Question 6

What is Eagle 2 calibrated to?

Answer 6

Methane (CH4)

Question 7

What technology is used for the O2 sensor and how does it work?

Answer 7

The O2 sensor is a galvanic sensor which allows gas to diffuse across a membrane in the sensor at rate proportional to the partial pressure of oxygen. O2 reacts in the sensor and produces a voltage proportional to the concentration of O2 which is measured and converted to a gas concentration and then displayed on the screen.

Question 8

What technology is used for the LEL sensor and how does it work?

Answer 8

Catalytic combustible gas chamber. The reaction of gas with O2 on the catalyst changes the resistance of the element (gas) which changes the current flowing through it. The current is amplified and converted to a measurement of combustible gas concentration.

Question 9

What technology is used for the H2S and CO sensor and how does it work?

Answer 9

Electrochemical sensors that contain precious metal electrodes in an electrolyte solution. Gas diffuses into the electrolyte solution and reacts to produce a current proportional to the concentration of target gas

Question 10

Name the parts of the equipment

Answer 10

• 10” hydrophobic polyurethane probe with external particulate & H2O filter(1/8” internal diameter)
• Internal charcoal hydrophobic filter
• 5’ hose
• (5) 25’ hoses

Question 11

What is the time to T90 with probe only?

Answer 11

12 seconds

Question 12

Time to T90 with probe and each piece of tubing?

Answer 12

• 5’ hose: 15s

-25’ hose: 25s

-50’ hose: 35s

-75’ hose: 45s

-100’ hose: 60s

-125’ hose: 75s

Question 13

What is the maximum recommended length of hose?

Answer 13

125ft because response time and accuracy declines

Question 14

What is the maximum recommended length of hose for exhaust tubing?

Answer 14

20ft

Question 15

Aside from high and low readings, when will the Eagle 2 alarm?

Answer 15

During a sensor failure, low flow, or dead battery

Question 16

Low Alarms

Answer 16

ALRM1 next to gas reading, LED flash once per second, backlight turns on, 1 chirp

• O2: 19.5%
• LEL: 10% or 5,000ppm
• CO: 25ppm
• H2S: 5ppm

Question 17

High Alarms

Answer 17

ALRM2 next to gas reading, LED flashes twice per second, backlight turns on, 2 chirps

• O2: 23.5%
• LEL: 50% or 25,000ppm
• CO: 50ppm

-H2S: 30ppm

Question 18

STEL Alarms (15 mins)

Answer 18

• CO: 200ppm

-H2S: 5ppm

Question 19

TWA Alarms (8 Hrs)

Answer 19

• CO: 25ppm
• H2S: 1ppm

Question 20

Ranges

Answer 20

• O2: 0-40% (10% min needed to operate)
• LEL: 0-100%
• CO: 0-500ppm
• H2S: 0-100ppm

Question 21

What does “OVER” mean?

Answer 21

Over range. LEL sensor will temporarily shut off if exposed to >100% LEL.

Question 22

What does “Recharge Batt” mean?

Answer 22

Low battery, no chirp

Question 23

What does “FAIL LOW FLOW” mean?

Answer 23

Low pump flow

Question 24

What does “FAIL SENSOR(S)” mean?

Answer 24

Sensor needs to be replaced

Question 25

What are the calibration gas values?

Answer 25

• CH4: 50%
• O2: 12%
• H2S: 25ppm
• CO: 50ppm

Question 26

What is the minimum battery voltage it can run on?

Answer 26

4.3 Volts

Question 27

How do you perform a demand zero?

Answer 27

Hold down the “AIR ^ YES” button until you are prompted to let go. Afterwards it will say “adjusting zero complete”

Question 28

What three measurements can CH4 be displayed in? How do you cycle through them?

Answer 28

Vol%, PPM, and %LEL. Press the “RANGE ‘down arrow’ SHIFT” button until you see the desired measurement.

Question 29

How do you cycle through the different displays?

Answer 29

Hit “DISPLAY/ ADJUST/ NO” button

Question 30

How do you get to the calibration screen? What options do you have once screen is displayed?

Answer 30

Hold down the “DISPLAY/ ADJUST/ NO” and “SHIFT/NO” buttons at the same time.

• Auto Calibration
• Single Calibration
• Perform Air Adjust
• Normal Operation

Question 31

How long does calibration take?

Answer 31

60s ***

Question 32

How far can the pump draw?

Answer 32

Up to 125ft