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(4) Weather Sensor
Optional
This sensor allows measuring outside air temperature, relative humidity, wind direction,
and wind speed at the same time as measuring dust.
(See pages 9 and 23.)
(5) Threaded Holes for Optional Products (Bolts included)
These threaded holes are used to attach optional products (M8 threads).
(6) Threaded Holes for Fastening Main Unit (Bolts included)
These bolt holes are used to mount the main FLD-1 unit (M8 threads).
(7) Connectors
Input and output connectors
•
OUTPUT (Analog and Alarm outputs)
This connector is used to output dust concentration values and contact signals in event
of various alarms (page 30).
•
RS-485 (RS-485 output)
Connector used for communications (page 31).
•
EXT.DC (External DC power supply)
This connector is used to connect lead batteries, solar panels, or other DC power
supplies (page 28).
•
POWER (AC power supply)
This connector is used to connect the AC power cord (page 22).
•
WEATHER (Weather sensor)
This connector is used to connect an optional weather sensor (page 23).
•
ALARM (Alarm output)
Note: This connector is not included standard.
This connector is used to connect a rotating warning light or other device that is
activated in the event of an alarm. It is available on a special-order basis.