Klein Tools ET110 Manual De Instrucciones página 5

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Carbon Monoxide (CO) is a colorless, odorless, flavorless gas that
is life-threatening even at relatively low concentrations. Before using
this meter, read and understand the information in the chart below
pertaining to CO concentration levels.
CARBON MONOXIDE CONCENTRATION LEVELS
PPM
0-1 Normal background levels.
9
EPA/ASHRAE levels for living areas.
35 OSHA/NIOSH maximum 8 hr exposure limit.
125 ACGIH ceiling limit of exposure.
200 OSHA/NIOSH upper limit of exposure: mild headache, fatigue,
nausea and dizziness within 2-3 hours.
1500 OSHA Imediately Dangerous to Life or Health (IDHL).
TESTING
1. Long-press the power button to power-on the meter; the Zero-
Setting icon
set, so ensure to power-on in an area free of carbon monoxide.
2. After powering-on, press the SET Button
3-minute diagnostic self-test. It is strongly suggested to perform
this procedure once for every 24 hours of use.
3. Place the meter into the area to monitor. The response time to
reach T90 (90% of reading) is 1 minute.
• At CO concentration levels above the A1 Low Alarm limit of
35 ppm (TWA), the buzzer will sound, the light will flash at a
frequency of 1Hz, and the LO icon
• At concentration levels above the A2 High Alarm limit of 200 ppm,
the buzzer will sound, the light will flash at a frequency of 2Hz and
the HI icon
• The STEL icon
exposure is present for 15 minutes.
Once you have confirmed the alarm conditions, press the MUTE
button to stop audible alarm for approx. 3 minutes. Press again to
reactivate the audible alarm immediately.
BEFORE USING THIS METER
OPERATING INSTRUCTIONS
will flash. It is at this time that the zero-point is
H
will appear on the display.
F
will appear when an average of 200 ppm
K
Explanation
10
will appear on the display.
F
to perform a
5

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