The type 8921 precipitation sensor is used for the central collection of weather data to control
heaters for units that must remain capable of being moved regardless of the weather conditions
(for example, points heaters or rail or any other heaters).
Technical
data
Dimensions
LxWxH 250mmx165mmx85mm approx. 2 kg
Stainless steel / aluminium
Strip-type
fastening with special holder (accessories)
Housing: IP 65, DIN EN 60529
-30°C to
+60°C
Terminal 1 (L+), terminal 2 (L-)
DC min. 9V to max. 32V max. 10 W/VA
Terminals, max. 1.5
mm2
2 relay output contacts NO: temperature
(terminal 7,8)
preciditation (terminal 9,10)
serial output (RS 232, 9600,8,N,1) terminal
4(TX), 5 (RX), 3 (GND)
AC 250 V / 4 A cos?
> 0.7
DC 120 V / 1 A ohmic load 10 terminals
2 LED‘s in sensor display
red:
preciditation detection green: sensor in operation
4 kVe?. (DC supply voltage-relay output)
1x M20 x 1.5
RS485 (future);
Strip-type fastening device type 911015,
Weight
Sensor housing
Attachment
Type of protection
Ambient temperature
Supply voltage
Power drawn
Connections
outputs
Contact rating
Connections
Displays
Test voltage
Cable screw fitting
Option
Accessories
Ordering information
Type
8921
Part No. 140110
