ENGLISH
Warning
Risk of
Electric Shock
Do NOT probe
moving machinery
AUTO-ZERO BUTTON
Press to set zero point calibration in a known clean environment.
MUTE BUTTON
Press to mute the audible alarm. Visual indicators will continue to
function as normal.
AUTO POWER-OFF (APO) BUTTON
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
Press to enter Low Sensitivity mode (200 to 3,000 ppm). White light will
blink.
HIGH BUTTON
Press to enter High Sensitivity mode (100 to 1,000 ppm). Yellow light
will blink.
HOLD BUTTON
Press to lock the current measurement on the display. Press again to
return to taking active measurements.
POWER BUTTON
Press and hold for 3 seconds to turn tester on or off.
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SYMBOLS ON METER
FUNCTION BUTTONS
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Wear approved eye protection
Read instructions
Not intended for use as Personal
Protective Equipment (PPE)
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