eL-520 User’s Guide
2
INSTRUCTIONS
1. Press the button to turn the unit on.
2. The LED will flash orange for a short moment to indicate
auto-reset, afterwards the unit will begin beeping and
flashing green.
3. To reset the unit to the existing level of ambient refrigerant,
press and release the button. The LED will flash orange
briefly to indicate the reset. All levels of refrigerant less than
the reset level will be ignored.
4. Unit turns on in the low sensitivity level, which is adequate
for most leaks. Press the button twice (double-click like a
computer mouse). The LED will fade from red to green and a
sweeping sound effect of low to high pitch will be heard. The
sensitivity is now set for 3g/year (0.1oz/yr). This mode
should only be used for looking for leaks of less than
14g/year (0.5 oz/yr).
5. Double click again to change back to low sensitivity.
6. Move the probe towards a suspected refrigerant leak at a
rate of less than 2 inches (50 mm) per second, no more than
¼ inch (5 mm) away from the suspected source.
7. If a leak exists, the sound will increase in rate and pitch and
the LED will start flashing rapidly.
8. To turn the
eL-520
off, press and hold the button for 3
seconds.
Summary of Contents for eL-520
Page 1: ...eL 520 Refrigerant Gas Leak Detector User s Guide...
Page 2: ......
Page 9: ...eL 520 User s Guide 7 NOTES...
Page 10: ...eL 520 User s Guide 8 NOTES...
