Superior Signal Company LLC AccuTrak
®
VPE
User’s Manual
© 2015
6
What this all means...
The AccuTrak
®
VPE detects ultrasound
–
NOT refrigerant, or the presence of
a specific gas. It is NOT a sniffer. Because of this fact, the AccuTrak
®
can
function in areas where heavy wind or a concentration of fumes renders other
detectors useless.
WARNING !
Ultrasonic detectors will not indicate a leak if there is no turbulent flow
producing sound when you check it. If you suspect a toxic gas, combustible
gas, or other dangerous gas leak, but you cannot find it with the AccuTrak
®
VPE, do not assume that it does not exist, as it may not be turbulent at the
time when you check for it. Use another method (like a sniffer) as verification
that there is no leaking dangerous gas present.
A NOTE ABOUT SENSITIVITY
Ultrasonic leak detectors "hear" leaks, therefore the sensitivity can not be
accurately stated in terms of cc/sec, parts per million, or ounces per year.
The proper specification for these types of detectors is decibels. The amount
of sound pressure created by the leak will determine its ability to be
detected ultrasonically.
When comparing to traditional refrigerant detectors that are rated to detect 0.5
oz. per year, remember, these instruments were tested under controlled
laboratory conditions, and the ability to actually locate such a small trace of
gas, especially in a windy outdoor environment is extremely limited. It is
physically impossible for any ultrasonic detector to locate a leak this small
because there is no turbulent gas flow involved. A leak of .5 oz. per year is
equivalent to a loss of 1 pound in 32 years!
The AccuTrak
®
VPE will detect most of the leaks you encounter on a regular
basis
–
usually pounds per year rather than ounces. The ultrasonic detector
is the only detector which will pinpoint a vacuum leak, or detect any
pressurized gas leak in any system
–
including compressed Air or Nitrogen
leaks. It is also more accurate for detecting larger leaks because its sensor
will not become saturated or false alarm from the presence of gas in the
atmosphere. Because ultrasonic detectors
do not “sniff”
out the gas, they
can easily locate a leak under windy conditions. Superior AccuTrak
®
ultrasonic instruments work best where other detectors fail!
