Led Indicators - SARAD Smart Radon Sensor Manual

SARAD GmbH

LED indicators

The Smart Radon Sensor has three color LEDs at the front panel. Their purpose is to indicate the state
of the instrument. The table below (tab. 2.) sums up all possible LED signals.
Tab. 2. - LEDs signals.
(*)AlarmTH – Alarm threshold for Radon.
(**)The green and the yellow LED switched OFF, the analogue output deactivated.
Example: AlarmTH = 300Bq/m³.
The green LED will be active at Radon concentration below 150Bq/m
The yellow LED will be active at Radon concentration between 150Bq/m
The red LED will be active at Radon concentration above 300Bq/m³.
Manual_Smart-Radon-Sensor_EN_12-03-2020.docx
Permanent ON
Permanent ON
Permanent ON
Blinks
Blinks
Blinks short
RADON < 50% • AlarmTH(*)
50% • AlarmTH =< RADON <
100% • AlarmTH
RADON >= 100% • AlarmTH
USB connection present
Internal sensor clock not set
Main power supply failure(**)
3
.
3 3
and 300Bq/m
11
.