Honeywell EF20 DATASHEET

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Honeywell EF20 DATASHEET

EF 20

EARTH TEMPERATURE SENSOR

 

PRODUCT DATA

TECHNICAL DATA

Sensor element

NTC thermistor, waterproof cast

 

as rod sensor

Resistance

20 kOhm at 25 °C

Operating range

-20…+30 °C

Dimensions

12 mm , approx. 155 mm long

Electrical connections

5 m cable, 2-core

Protection class

IP 62

For technical information on the NTC thermistor, see "Temperature Sensors" (EN0B-0476GE51).

GENERAL

Ground temperature sensor for use in greenhouses and other similar applications.

ELECTRICAL CONNECTION

The wiring of the temperature sensor must be in accordance with the overall wiring circuit diagram. The terminals are not polarized; thus, in the event of the wires being connected in reverse, no malfunction will occur.

® U.S. Registered Trademark

EN3R-1113GE51 R0907

Copyright © 2007 Honeywell Inc. • All rights reserved

 

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