MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
9.3.5 Pt500 ø5.8 mm / ø6.0 mm pocket sensor set
The ø5.8 mm / ø6.0 mm pocket sensor is a Pt500 wire sensor, designed with a 2-wire silicone cable and completed
with a ø5.8 mm or ø6,0 mm shrinkable stainless steel sleeve that protects the sensor element. The steel sleeve is
mounted is a sensor pocket (dip pipe). The sensor pockets for the ø5.8 mm temperature sensor is delivered with R½
(conic ½”) connection in stainless steel in the lengths 65, 90 and 140 mm. For the ø6.0 mm temperature sensor, the
sensor pockets are supplied with G½ (straight ½”) connection, also in stainless steel, and can be delivered in the
lengths 65, 85,120 and 210 mm. For the ø6.0 mm temperature sensor, which is designed according to EN1434-2, it is
particular that this temperature sensor, in the EU, may be used in all approved pockets for ø6 mm temperature
sensors that are also designed according to EN1434-2, regardless of the manufacturer. The relevant pockets for ø6
mm temperature sensors are characterised by being marked with “EN1434”. The sensor design with separate dip
pipe enables exchange of sensors without first shutting off the water supply. In addition, the wide selection of dip
pipe lengths ensures that the sensors can be mounted in all common pipe dimensions. The stainless steel pockets
can be used for mounting in both PN16 and PN25 installations. At flow speeds above 3 m/s or in a PN40 installation,
it is recommended to use a reinforced stainless steel pocket with a diameter of ø10 mm at the tip and that is made
of one piece.
Figure 17: Examples of installation of sensor pocket for ø5.8 mm temperature sensor with R½ thread (to the left) and
sensor pocket for ø6.0 mm temperature sensor with G½ thread and copper gasket (to the right).
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