Sensit Gold G2 Flashcards
Sensitivity
1 ppm to 100% by volume
What gas is Sensit Gold G2 calibrated to?
Natural Gas
How does the auto scale work?
It automatically increases from:
Ppm to %LEL to % by volume (concentrations above 100% LEL)
When is “tick” mode used?
To determine leak source
Natural gas qualities
Primarily methane
Lighter than air
LEL: 5.3%
UEL: 14%
What is Sensit calibrated to?
Methane, so reading require no conversion
Sensit Vs Altair
Sensit is calibrated to methane and does not require a conversion vs Altair requires conversion of double to read natural gas accurately
Sensit has greater resolution: 1 ppm vs 1% LEL of Altair
Sensit reads above UEL (14%) vs Altair will not
When to use Sensit?
High IOS Natural gas involvement
Quantifies natural gas and locates leaks in TICK mode
When to use Altair 5x
CO Alarms
Unknown odors
Confined space
Natural gas with Sensit
Sensit Color scaling
Green = <1% of LEL
Yellow = 1% of LEL to 100% LEL
Red = >100% LEL
Yellow reads as how close to LEL gas is in the atmosphere
RED reads as % by volume in atmosphere
When calibrating the Sensit with 2.5% calibration gas what are the readings it will give you?
25,000 ppm = 50% LEL = 2.5% volume
When calibrating the Sensit with 100% methane gas what are the readings it will give you?
It will scale up from ppm to %LEL to % by volume
When the Sensit reads 10% LEL what does the Altair 5-gas read? Why?
Altair 5 gas reads 20% LEL because of the .5 correction factor
What does button A do?
Operates power, mute feature, and exit menu items
What does B button do?
Operates the tick rate control, enters, changes, selects menu items
What does button C do?
Save data feature, manually zero sensors, scroll and change menu items
What does a green LED indicate
Ready
0-4.9% LEL Methane
What does an amber LED indicate?
Low
5% to 9.9% LEL Methane
What does a red LED indicate?
Haz 1-3
> 10% LEL methane
Where should you start the Sensit G2?
In a gas free environment
What should you do if “pump blocked” is not displayed when performing a pump check?
Replace the rubber O-rings at the sampling tip
How do you put Sensit G2 into tick mode?
Press tick menu button
then “select test tick” will be displayed
Press Tick menu again
Equipment is in tick mode
How do you re-enable ticks if you have muted it?
Press tick/menu button
How does the Sensit Gold G2 indicate concentrations of gas?
Bar graph will be displayed and audible clicks will increase as concentrations increase
What is displayed if Sensit Gold G2 encounters a gas it is not calibrated to?
Equipment displays:
NSR (nonstandard response)
NSC (nonstandard combustible)
If you encounter these consider backing out and reevaluating the situation
