Manual

2011-05-03/00337574
Data Sheet 605051 Page 2/7
JUMO GmbH & Co. KG
Delivery address: Mackenrodtstraße 14
36039 Fulda, Germany
Postal address: 36035 Fulda, Germany
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.net
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow, Essex CM20 2DY, UK
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.co.uk
JUMO Process Control, Inc.
6733 Myers Road
East Syracuse, NY 13057, USA
Phone: [phone]
1-800-554-5866
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumousa.com
Technical Data
Switching function
Temperature monitor TW and
break-proof temperature monitor
STW
Restart lock for tempera-ture limiter TB
and break-proof safety temperature
limiter STB
Self-monitoring for break-proof temperature monitor
STW and break-proof safety temperature limiter STB
If the temperature exceeds the set
point value set on the temperature
probe, the microswitch will be tripped
by the transmission mechanics and
the current circuit opened or closed.
The microswitch is reset to its original
status once the set point value set is
gone below (by the hysteresis).
If the temperature exceeds the limit value
set on the temperature probe, the current
circuit is opened and the microswitch
mechanically locked.
The microswitch can be manually
unlocked, once the dangerous tempera-
ture drops by approx. 10 % of the scale
range (approx. 15% with a limit value set-
ting > 350°C).
If the measuring system is destroyed, i.e. if the expansion
fluid escapes, the pressure in the diaphragm of the STB
and STW drops and permanently opens the current cir-
cuit. Unlocking is no longer possible.
If the probe has cooled down to a temperature specified
in the control range table, e.g. below -20°C, the current
circuit is also opened. If the temperature exceeds -20°C,
the STB must be unlocked manually first. The STW auto-
matically restarts.
Control ranges and probe table
Control
range
Switching point accuracy in the
upper third of the scale range
a
a
Offset of the switching point accuracy to a different scale range is possible upon customer request.
maximum
capillary length
maximum probe tem-
pera-ture as per DIN EN
14597
STW + STB open at a
probe temperature
Probe length "L“
for "d“ = 6 mm
in °C TW, TB STW, STB in mm in °C under °C TW, TB STW, STB
-20...+50
+0 K
-3 K
+0 K
-3.5 K
5000
[phone]
0...+50
+0 K
-2 K
+0 K
-2.5 K
+60
-10
185 149
0...+100
+0 K
-4 K
+0 K
-5 K
[phone]
+40...+120
+0 K
-3 K
+0 K
-4 K
[phone]
+50...+200
+0 K
-6 K
+0 K
-8 K
[phone]
+80...+250
+0 K
-7 K
+0 K
-8.5 K
[phone]
+50...+300
+0 K
-10 K
+0 K
-12.5 K
[phone]
+20...+400
+0 K
-15 K
+0 K
-19 K
1000 [phone]
+20...+500
+0 K
-19 K
+0 K
-24 K
2000
+550 -30
148 127
4000 202
Capillary and temperature probe
Type Scale limit value Capillary ∅ 1.5 mm Temperature probe
ATH-EXx-.. up to 200°C Copper (Cu)
material No. 2.0090
tin-plated
Copper (Cu)
material No. 2.0090
hard soldered,
tin-plated
up to 300°C
Stainless steel (CrNi)
material No. 1.4571
Stainless steel (CrNi)
material No. 1.4571
up to 500°C
Capillary length standard 1000 mm, maximum 5000 mm
minimum bending radius of
the capillary
5 mm