Test Products International 775 - Manual (Page 10)

10
Tracker Mode
The 775 can also be used to Track/Trace a combustible gas leak by
using the following method:-
1. Adjust the TICK ADJUST by moving the thumb wheel in
an anti-clockwise direction until a uniform ticking sound
is heard.
2. Approach the suspected leak area with the combustible
leak sensor until the tick begins to increase. When the tick
increases DO NOT move the sensor from the area but re-
adjust the TICK ADJUST by moving the thumb wheel
back in a clockwise direction till the slower uniform tick-
ing sound is heard again.
3. Repeat step 2 until leak is found.
4. If the tick stops, the concentration level has decreased.
Move back in the opposite direction to find the leak again.
7
Automatically Zeroes sensors to the air/environment you are in.
NOTE- Always turn instrument on in clean air
.
Automatically tests the Combustible Gas leak sensor
The instrument is now ready for use and the following screen
will be displayed:-
10
Tracker Mode
The 775 can also be used to Track/Trace a combustible gas leak by
using the following method:-
1. Adjust the TICK ADJUST by moving the thumb wheel in
an anti-clockwise direction until a uniform ticking sound
is heard.
2. Approach the suspected leak area with the combustible
leak sensor until the tick begins to increase. When the tick
increases DO NOT move the sensor from the area but re-
adjust the TICK ADJUST by moving the thumb wheel
back in a clockwise direction till the slower uniform tick-
ing sound is heard again.
3. Repeat step 2 until leak is found.
4. If the tick stops, the concentration level has decreased.
Move back in the opposite direction to find the leak again.
7
Automatically Zeroes sensors to the air/environment you are in.
NOTE- Always turn instrument on in clean air
.
Automatically tests the Combustible Gas leak sensor
The instrument is now ready for use and the following screen
will be displayed:-