Industrial Scientific TANGO TX1 Guide De Référence page 10

Alarms and Warnings
Event type Possible causes
High-level alarms.
The gas concentration is outside of the sensor's
measuring range.
Note: For a negative over-range condition, the
"—OR" icon displays.
Over-range gas event*
(positive shown)
The gas concentration exceeds the high-alarm
set point.
High-alarm gas event*
The unit has reached its maximum exposure for
the configured STEL settings.
STEL event
6
Recommended actions
Leave the area.
Respond according to company safety policy and
guidelines.
Leave the area.
Respond according to company safety policy and
guidelines.
Leave the area.
Respond according to company safety policy and
guidelines.