dol sensors 139 Manuale tecnico per l'utente - Pagina 3

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Protection
cap
mounted on
cable
Protection
Sturdy
plug
housing
mounted on
cable
Free air passaage round
the tip of the sensor.
Figure 2
After the sensor has been exposed to water and condensation or high humidity for a long period of time, it re-
quires a period where the relative humidity is lower than 80% in order for it to measure correctly.
3 Connection
Installation, servicing and troubleshooting of all electrical equipment must be performed by quali-
fied personnel in accordance with the applicable national and international standard EN 60204-1
and any other EU standards that are applicable in Europe.
V+ (Brown)
Power
supply
13.5 - 30 V DC
GND (Blue)
Name
24 V
Relative humidity (%RH)
o
Temperature (
C)
CO
(ppm)
2
GND
DOL 139
Free air passage around the tip of the sensor.
Mount the sensor so it is not exposed to direct sunlight, as this would
affect the measurement.
The sensor must warm up for 10 minutes after power on.
%RH
(White) oC (Black)
ppm CO2 (Gray)
Wire colour
Brown
White
Black
Gray
Blue
www.dol-sensors.com
M12 pin
1
2
4
5
3
Technical User Guide
3