4
AUTOMATIC CALIBRATION MODE:
This mode is useful when searching for leaks normally and also in
contaminated areas. The detector automatically recalibrates (re-zeroes) to
ambient levels, which stops the constant alarm, only responding to higher levels of
refrigerant. This allows searching for the true source of the leak. The detector will
reset automatically after 3 or 4 seconds and stop the detector from alarming.
NOTE: the detector automatically defaults to this mode when the unit is
powered on normally.
LEAK SIZE INDICATOR
The digital leak size indicating LCD graph display remains off normally but once a
leak is detected, a number of indicating bars (up to 10 bars with increasing height) will
be displayed for all HFC and HCFC refrigerants regardless of the sensitivity setting.
The LCD display angle can be adjusted for ease of viewing when referring to the
display for leak size. The display may be adjusted from normal viewing (closed
position) to a 30 degree angle if required.
The backlight may be turned on for low light conditions.
The graph will continue to increase or decrease depending on the amount of
refrigerant sensed. The maximum value will be displayed once the leak source has
been located. This table can be used to approximate the size of leak:
AUTO MUTE FUNCTION & VIBRATING HANDLE
To silence or mute the audio beep and alarm signal, press the MUTE button. To
restore the audio sound, press the MUTE button again.
NOTE: A few seconds is required to restore sound if the mute button
is pressed in rapid succession.
Vibrating handle mode is always on. In noisy environments or if the audio alarm is
muted the vibrating alarm provides leak detection without having to view the display.
ADJUSTING SENSITIVITY LEVELS
The Leak Detector will default to the MED sensitivity level automatically once the
unit comes out of the warm up mode and the battery indicator and sensitivity level
are displayed.
To change sensitivity levels, press the Sensitivity button once for HI sensitivity
and again for LO sensitivity.
LO
MED
LO
HI
MED
LO
1-3 BARS
< 0.1 oz/yr
4-6 BARS
0.1 - 0.5 oz/yr
7-10 BARS
> 0.5 oz/yr
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