GT Gas Meter

Question 1

Methane has a lower explosive limit of ——- and an upper explosive limit of —— at room temperature.

Answer 1

5%. 15%

Question 2

A concentration of 5% methane is equivalent to-

Answer 2

50,000 PPM

Question 3

10% of the LEL is equivalent to

Answer 3

5,000 PPM

Question 4

Concentrations of —- are considered immediately dangerous to life and health

Answer 4

50,000 PPM ( 100% LEL , 5% volume

Question 5

Natural gas is ——- than air

Answer 5

Lighter

Question 6

Once the meter detects over 2,000 PPM methane, it switches to the second sensor that reads-

Answer 6

% LEL

Question 7

Anytime the meter converts to a % LEL reading, we need to think about extra precautions as the environment is at-

Answer 7

4% of LEL

Question 8

At 20% of LEL the meter will read

Answer 8

HIHI

Question 9

They are on a —— calibration schedule

Answer 9

Once per quarter

Question 10

Contact station —- if it needs calibration

Answer 10

13

Question 11

Meters need to be run —— in fresh air before turning off.

Answer 11

1-2 minutes