WIKA CTB9500 Specifications
Calibration bath
Model CTB9400, heating bath
Model CTB9500, heating and cooling bath
Applications
■
Calibration in laboratories and in control and instrumentation workshops
■
Calibration of short temperature probes, particularly in the
pharmaceutical and food industries
■
Simultaneous calibration of several sensors
Special features
Calibration technology
WIKA data sheet CT 46.20
■
Controller with 5.7" colour touchscreen and menu navigation in 11 languages
■
2 x USB (host, device), Ethernet and RS-232 interface
■
High-accuracy, reliable temperature control
■
5-point calibration for control sensors (optional)
Description
Calibration in baths
WIKA calibration baths are an ideal temperature source for
the calibration of temperature probes, both in the workshop
and the laboratory.
For calibration, the test items and the standard thermometer
are brought to the same temperature within the bath. As soon
as a stable temperature has been reached, the test items are
read, or their output signals measured, and compared with
the standard thermometer.
In order to achieve a small measurement uncertainty within
this comparison, a temperature control unit is needed which
guarantees a homogeneous temperature distribution and a
constant temperature over time within the calibration range.
These requirements are fullled by these baths.
Along with the bath, the bath uid also plays a signicant
role. To ensure homogeneous temperature distribution, the
selected uid should have a high thermal conductivity and
low viscosity. Moreover, the uid should be inert, have a low
vapour pressure, should not decompose chemically, not
Calibration bath model CTB9500
burn, and should maintain its properties over a wide temperature range.
In practice, silicone oils have proven themselves here.
Temperature ranges from -45 … +300 °C
The calibration baths are available in two dierent versions:
■
Model CTB9400 for 28 ... 300 °C
■
Model CTB9500 for -45 ... +200 °C
The instruments are typically used in calibration laboratories
and in control and instrumentation workshops for the calibration of thermometers.
Easy to use
The calibration baths feature a temperature-controlled tank
with a usable depth of 200 mm. The maximum immersion
depth for the test items of 200 mm reduces heat dissipation
errors, resulting in smaller measurement uncertainties.
Page 1 of 7WIKA data sheet CT 46.20 ∙ 06/2013
Specications
Model CTB9400 Model CTB9500
Temperature range 28 … 300 °C -45 … +200 °C
Stability 0.02 K
Display resolution 0.1 °C, (0.01 °C only on exclusive version)
Display units °C/°F - selectable
Voltage supply
Power supply AC 230 V, 50/60 Hz
AC 400 V, 50 Hz, 3~
AC 208 V, 60 Hz, 2~
Power consumption
Current supply max. 14 A
Current supply with 3-phase supply max. 11 A
Fuse 16 A
Fuses with 3-phase 3 x 16 A
Heating power
at 230 V AC 3,000 W
Cooling power
at 20 °C --- 800 W
at 0 °C --- 800 W
at -20 °C --- 500 W
Communication
Interface USB, Ethernet, RS-232
Selectable user languages EN, DE, FR, IT, ES, RU, CN, PT, JP, CZ, PL
Bad dimensions
Minimum lling volume 11.5 litres approx. 22 litres
Bath opening, W x D 270 x 145 mm 280 x 280 mm
Bath depth 200 mm 200 mm
Dimensions, W x D x H 335 x 382 x 433 mm 420 x 565 x 719 mm
Weight (empty) 22 kg 72 kg
AC 230 V, 50/60 Hz
AC 208 V 60 Hz, 2~
Accessories Model CTB9400 Model CTB9500
Silicone oil DC 200.05
-40 ... +130 °C, FP = 133 °C
Silicone oil DC 200.10
-35 ... +160 °C, FP = 163 °C
Silicone oil DC 200.20
10 ... 220 °C, FP = 232 °C
Silicone oil DC 200.50
25 ... 250 °C, FP = 280 °C
Mounting xtures X X
USB interface cable X X
Not recommended From -40 … +130 °C usable
Not recommended From -35 … +160 °C usable
From 40 … 220 °C usable From 10 … 200 °C usable
From 40 … 250 °C usable From 25 … 200 °C usable
CE conformity
EMC directive 2004/108/EC, EN 61326 Emission (group 1, class A) and interference immunity (controlled
electromagnetic environment)
Low voltage directive 2006/95/EC, EN 61010-1, EN 61010-2-010
Machinery directive 2006/42/EC, EN 378-2
Approvals and certicates, see website
Page 2 of 7 WIKA data sheet CT 46.20 ∙ 06/2013
Dierences in the rmware
Function Standard Exclusive
Temperature control
Temperature control mode (Internal, Process) X ●
Programmer X 3 programmes with a maximum of 15 steps
Ramp function X linear
Controller parameter tuning predened
Calibration programme for control sensor
1 point 5 point
(Internal, Process)
Monitoring (Level protection, Overtemperature
protection
2)
)
● ●
Adjustable alarm limits ● ●
VPC (Variable Pressure Control)
3)
● ●
Venting program ● ●
Compressor automatic control ● ●
Set point limit ● ●
Display and Operation
Temperature display 5.7" Colour touchscreen 5.7" Colour touchscreen
Display mode graphic, numeric graphic, numeric
Display resolution 0.1 °C 0.1 °C / 0.01 °C
Graphic display for temperature curves Window Window, full screen, scalable
Calendar, date, time ● ●
Languages: EN, DE, FR, IT, ES, RU, CN, PT, JP,
● ●
CZ, PL
Temperature format, switchable (°C/°F) ● ●
Gesture control ● ●
Favourites menu X ●
2nd set point ● ●
Connections
Digital interface RS-232 ● ●
USB interfaces (Host and Device) ● ●
Ethernet RJ45 interface ● ●
External control signal/ECS STANDBY
4)
● ●
Pt100 external sensor connection ● ●
Various
Alarm signal optical/acoustic ● ●
Autostart (Mains failure automatic) ● ●
Plug-and-play ● ●
Technical glossary ● ●
Remote control via software ● ●
Saving/loading of temperature control programmes
X ●
via USB
1 TAC function available as a 30-day evaluation version.
2 For temperature control devices with integrated overtemperature protection.
3 For temperature control devices with variable-speed pumps or external bypass.
1)
TAC (True Adaptive Control)
X = not available
● = present
Page 3 of 7WIKA data sheet CT 46.20 ∙ 06/2013
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