Capillary Tube - Samson 43 Series Mounting And Operating Instructions

cation where overheating and considerable
idling times do not occur.
A welding socket with a G 1/2 female
thread connection should be welded where
the sensor is to be installed.

Seal the screw gland or thermowell into
the welding socket.
Insert the sensor and tighten it with the
clamping screw.
CAUTION!
To prevent damage caused by corrosion, it
is important to make sure on installing the
sensor or thermowell that only the same
kind of materials are used together. For ex-
ample, do not use a sensor or thermowell
made of non-ferrous metal in a stainless
steel heat exchanger. In this case, the sen-
sor should be used together with a stainless
steel thermowell.

2.2.1 Capillary tube

The capillary tube should be routed without
bends or twists. The smallest bending radius
is 50 mm. Roll up any extra length to form
a ring. Do not bend or shorten.
The ambient temperature around the tube
should be kept as even as possible.
3. Operation
3.1 Adjusting the set point
To adjust the set point value, use the black
plastic ring (set point adjuster 8) while watch-
ing the reference thermometer.
The adjustment diagrams below can be used
as a guide to find the first approximate value.
The adjustment is infinitely variable. Turning
the ring clockwise reduces the temperature
and counterclockwise turning increases it.
The temperature can be fixed at an adjusted
value by lead-sealing the bore (14) in the set
point adjuster.
Set point Set point change
range °C per turn
0 to 35
25 to 70
40 to 100
˚ C
100
80
60
40
20
0
0 1
Turns of adjuster (scale marking)
Fig. 4 ⋅ Set point adjustment
Adjusting the set point
Sensor
diameter
2.5 9.5
3 9.5
4 9.5
40...100
25...70
0...35
2 3 4
EB 2186 EN
5