To abort calibration, press calibration button. It is forbidden to
abort calibration manually when "CAL" is displayed on the screen
INSTRUCTIONS FOR USE
mean that automatic calibration is currently performed. Wait
about 15s and try to press a button again.
measurement sensor. The sensor must be connected to the
socket on the device, and then device RESTART must be
performed (switch off and on again). Symbol
the screen.
flashes or "oFF" appears on the screen, batteries should be
replaced with new ones.
the table provided in the further part of this instruction manual.
3.4.
Cleaning and maintenance
a)
Before cleaning and when the device is not in use, pull the power supply plug.
b)
Use only non‐corrosive agents for cleaning the surface.
c)
Store the device in a dry and cool place protected from moisture and direct
sunlight.
d)
Do not spray the device with a stream of water and do not immerse it in water.
e)
Ensure that no water enters through the ventilation openings in the housing.
400ppm level calibration
‐ Set the sampling frequency to 5s
‐ Unscrew the screw and remove the flap in the back of
the housing to gain access to the calibration button.
‐ Press and hold the calibration button, until "CAL 400"
appears on the screen.
‐ Set the meter in optimum environmental conditions.
‐ After 5 min the device will perform calibration
automatically, and when the process is finished it
automatically returns to the main screen.
When the buttons of the device do not respond it may
The device is adapted for connection of an external
In the even when the battery symbol on the screen
In the event error code appears on the screen, refer to
will appear on