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Factory-set Alarm Thresholds and Setpoints

5.2 Factory-set Alarm Thresholds and Setpoints

Sensor LOW
alarm
HIGH
alarm
STEL TWA Min
alarm
setpoint
Max
alarm
setpoint
Auto-cal
values
LEL 10% LEL 20% LEL -- -- 5 60 58%
O2 19.5% 23.0% -- -- 5 29 15.0%
CO 25 ppm 100 ppm 100 25 15 1700 60 ppm
H2S 10 ppm 15 ppm 15 10 5 175 20 ppm
This instrument is not approved for use in atmospheres containing >21 % oxygen.