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4 5
FUNCTION BUTTONS
AUTO-ZERO BUTTON
7
Press to set zero point calibration in a known clean environment.
MUTE BUTTON
8
Press to mute the audible alarm. Visual indicators will continue to
function as normal
.
AUTO POWER-OFF (APO) BUTTON
9
Press to enable or disable the Auto Power-Off feature. When enabled,
the button will illuminate blue, and the tester will automatically power
off after 10 minutes of inactivity.
LOW BUTTON
10
Press to enter Low Sensitivity mode (200 to 3,000 ppm). White light will
blink.
HIGH BUTTON
11
Press to enter High Sensitivity mode (100 to 1,000 ppm). Yellow light
will blink.
HOLD BUTTON
12
Press to lock the current measurement on the display. Press again to
return to taking active measurements.
POWER BUTTON
13
Press and hold for 3 seconds to turn tester on or off.
OPERATING INSTRUCTIONS
1. In an area where gas is known to be not present, press the
power button
13
for 3 seconds. The tester will beep and start a
50-second zero-calibration process while the first indicator light
(blue)
4
blinks. Once complete, all indicator lights
4
5
6
will blink for one second, then the HIGH indicator light
6
will
illuminate and continue to flash, indicating it is ready to take a
measurement.
2. Start measuring in the High sensitivity mode (100 to 1,000 ppm).
To view higher values (200 to 3,000 ppm), press the LOW button
10
to enter Low sensitivity mode.
3. Point the sensor
3
towards the area to test. If all blue indicator
lights are illuminated in High sensitivity mode, switch to Low
sensitivity mode by pressing the LOW button
10
.
NOTE: Changing from High to Low sensitivity mode may cause
some of the indicator lights to turn off.
4. As you get closer to the source of a leak, the concentration levels
detected will increase, as indicated by increasing audible/visual
alarms. Move the sensor head in the direction of increasing
audible/visual alerts to the source of the leak.
WARNING: High concentrations of refrigerant gases can cause
asphyxia and other hazards that could cause serious personal
injury or death. Know the characteristics of the gas you are
working with and use proper precautions to avoid hazardous
conditions.
ENGLISH
SYMBOLS ON METER
Warning
Risk of
Electric Shock
Wear approved eye protection
Read instructions
Not intended for use as Personal
Protective Equipment (PPE)
Do NOT probe
moving machinery
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