Structure Type “W-Kf“:
Precision resistor single or dual, Type Pt-100 as per IEC 60751 in Tolerance class B or A, connected in 2-, 3- or 4-wire circuit from precision resistor, fit in a metal protection sleeve made of stainless steel material of diameter 5 or 6 mm and lengths between 80 and 250 mm; For better thermal coupling, the precision resistors are covered with heat conducting paste. Connection box with dimensions 65*50*35 mm made of plastic with protection class IP 65, plastic cable entry M16x1.5.
Structure Type “W-Kt”:
Structure like type “W-Kf…” but without metal protective tube, the Pt-100 is installed directly in the plastic casing and is contacted through connection terminals in the casing. It is possible to install the casing directly on a wall using two screws. A temperature transmitter with rated output signal of 4-20mA can also be installed in the above mentioned sensor.
(For variants please refer to the worksheet).