ESN Type 8921 Precipitation Sensor

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

Precipitation Sensor