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eL-520 User’s Guide
3
FEATURES
Ÿ
If the sensor is damaged, a sweeping alarm and a red-green
flash will indicate the problem.
Ÿ
A flashing LED during normal operation also reflects the
battery level:
Green
:
batteries are fresh
Orange
:
batteries should be changed
•
If the batteries are nearly empty, the LED will turn solid red
and a two-tone alarm will be noted for 5 seconds, before the
eL-520
will power itself off.
Ÿ
If the unit is left on unattended, it will automatically turn off
after about 5 minutes to conserve batteries.
BATTERY INSTALLATION AND REPLACEMENT
1. Turn the power off.
2. Remove the battery cover from the back of the instrument by
loosening the battery cover screw and lifting the battery
cover off. Be careful not to lose the extra sensor stored in the
battery compartment.
3. Insert 2 size ‘AA’ alkaline batteries, observing proper battery
polarity.
4. Replace battery cover and tighten battery cover screw.
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...