TECHNICAL DESCRIPTION MULTICAL
®
401
5512-091 GB/02.2008/Rev. J1
43
9.4 Pt500 short direct sensors
Pt500 short direct sensor is designed according to the European standard for thermal heat meters EN 1434-2. The
sensor is designed for fitting directly into the measuring medium, i.e. without sensor pocket, thereby giving an
extremely fast response time on temperature changes from e.g. tap water exchanger.
The sensor is based on a 2-wire silicone cable. The sensor pipe is made in stainless steel and has a diameter of 4
mm at its end, where the sensor element is placed. Furthermore, mounting can be made directly in many types of
flow sensors, which reduces the installation costs.
Figure 27
Figure 28
Figure 29
The sensor can be fitted in a special T-section,
which can be supplied for ½”, ¾” and 1” pipe
installations.
The short direct sensor can also be fitted by
means of a R½ or R¾ to M10 nipple in a
standard 90
tee.
To obtain the best service during meter
replacement, the short direct direct sensor can be
placed in a ball plug valve with a sensor
connecting piece.
Ball plug valve with provision for sensor are
supplied in G½, G¾ and G1.
No. 66-99-474 66-99-475 66-99-476
G½ G¾ G1
Max. 130°C and PN16
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