5
b) Turn on the Sensor Unit by pressing the “Power On” button. e LED will
ash once to conrm (see Figure2). Note that the Sensor Unit will turn o
automatically aer 30 s if no connection to the Hand Unit was established or
if the Hand Unit was switched o. In these cases, the LED ashes twice.
Progress bar –
Bluetooth connection
Figure 3
Figure 2. Sensor Unit
LED Power On
UV-A
Sensor
VIS
Sensor
c) e Hand Unit and Sensor Unit will now connect. A progress bar indicates
the connection process (see Figure 3).
d) Once the connection is established, you will see the measuring screen that
shows the UV-A intensity in µW/cm² as measured by the UV-A sensor of the
Sensor Unit and the white light illuminance in lux as measured by the VIS
sensor.