TB Emergencies 2 Add 1 MSA Altair Digital gas Meter Flashcards
(12 cards)
The MSA Altair Digital Gas Meter is equipped with what two sensors:
1.
2.
- One for COMBUSTIBLE Gas
- the other for OXYGEN
- 2
The MSA Altair Digital Gas Meter should be used in conjunction with what other meter?
The TIFF Meter as each meter possesses its own unique capabilities.
1.1
The Altair Meter is calibrated for what gas?
Methane Gas The major component of Natural Gas
1.2
Can the Altair Digital Gas meter be used to detect other combustible gases beside Natural Gas?
Yes it can BUT with some variations in the accuracy of the LEL reading.For this reason the meter should NOT be used to detect gases other than NATURAL GAS
1.2
The EXPLOSIVE range of Natural Gas is at?
5%-15% of the Gas in the air.
The meter is equipped what type of alarms system?
The Altair is equipped with a TRIPLE ALARM Providing VISUAL, AUDIBLE and STANDARD VIBRATING ALARM. 2.4
TheCombustible gas sensor should read___ after the meter has completed its warm up operation?
Zero (0)
5.1
The meter will activate when the atmosphere reaches___% of the LEL of Natural Gas?
10% of LEL
5.1
The Explosive Range of Natural Gas is___% to___% of gas in air.
5% to15% of Gas in air.
5.1
The Action Level for indoor operations is___% LEL and Outdoor operations are ___% LEL.
Indoor 10% LEL
Outdoor 20% LEL
A series of crosses under the COMB/EX icon indicates the atmosphere is_____LEL.
This is a flammable / explosive environment that members should not operate in except when?
- above 100% LEL.
- Except in Life Saving purposes.
- 2
The normal oxygen reading on the meter is___.
The meter will read oxygen deficient OR oxygen enriched atmospheres. The low oxygen level alarm is set at___% and the high alarm level is set at___%.
A series of______across the screen under the O2 icon indicates the atmosphere is above___% oxygen.
- Normal O2 20.8%
- Low 19.5%
- High 23%
4 Three (3) crosses - Above 25% O2
6.1