Precision thermometer
Model CTR2000
Applications
■
Precision thermometer for very accurate temperature
measurements in a range of -200 ... +962 °C
■
Reference instrument for testing, adjusting and calibrating
temperature measuring instruments in factories and
calibration laboratories
■
Self-contained, complete system, also suitable for on-site
measurements/calibrations
Calibration technology
WIKA data sheet CT 60.10
Special features
■
Temperature range -200 ... +962 °C
■
Accuracy: 0.01 °C
■
2 channels as standard with optional 8 channels
■
4-wire measurement, optional 3-wire
■
SMART probe review and editor
Description
The model CTR2000 precision thermometer comprises two
measurement versions: One version accepts only 4-wire
PRTs, the other version accepts both 3- and 4-wire PRTs.
The high-performance 2- or 8-channel, 3- and 4-wire
precision digital thermometers is suitable for use with
calibrated and uncalibrated Pt100 probes. It is characterised
by its extended features for high usability and low life costs.
Using calibrated probes with the CTR2000 thermometer
series choose between storing calibration data into memory
in the instrument or into the probe’s proprietary SMART
connector. Calibration data stays permanently with the
probe in this connector, which the CTR2000 series instantly
recognises, ensuring best measurement accuracy.
Precision thermometer, model CTR2000
Using a built-in calibration routine, the CTR2000 instrument
range can be recalibrated using a calibrated, traceable
reference resistor. This feature is password protected.
Other features have been included for CTR2000 range when
using SMART probes, like the temperature watchdog and the
calibration status monitor.
The temperature watchdog continuously monitors the
temperature of SMART probes and, if any are used outside
their specied working range, the probe history record is
updated.
With this way, it can be seen at a glance if the probes have
ever been used outside their calibrated range, as this may
aect their calibration validity. The calibration status monitor
alerts with an on-screen message when a SMART probe is
due for recalibration.
Data sheets showing similar products:
Precision thermometer; model CTR5000; see data sheet CT 60.20
Reference thermometer; model CTP5000; see data sheet CT 61.20
Page 1 of 6WIKA data sheet CT 60.10 ∙ 07/2014
Specications
Model CTR2000
Precision thermometer
Probe types Industrial platinum resistance thermometers (PRTs) and standard platinum resistance ther-
mometers (SPRTs) with Ro = 25 Ω and 100 Ω up to an alpha of 0.00392
Measuring inputs 2 or 8
Data entry format ITS 90 and CVD for calibrated probes; or EN 60751 for uncalibrated probes
Measuring ranges
Probe current DC 1 mA switched polarity
Temperature range -200 ... +962 °C, depending on thermometer probe
Accuracy
1) The accuracy in K denes the deviation between the measured value and the reference value. (Only valid for indicating instruments.)
Digital indicator
Display
Screen large graphic VFD display screen
Resolution 0.001 °C
1)
0.01 K (4-wire)
0.03 K (3-wire, do not include uncertainties due to variations in sensor cables)
Functions
Real-time clock integrated clock with date
Voltage supply
Power supply AC 90 ... 264 V, 47 ... 63 Hz; universal rear input on rear panel
Power consumption max. 30 VA
Permissible ambient conditions
Operating temperature 15 ... 25 °C
Storage temperature -20 ... +50 °C
Communication
Interface RS-232
Case
Dimensions 168 x 108 x 215 mm (W x H x D)
Weight 1 kg
CE conformity, certicates
CE conformity
EMC directive 2004/108/EC, EN 61326 emission (group 1, class B) and interference immunity (portable test
and measuring equipment)
Certicates
Calibration
Recommended calibration interval 1 year (depending on the conditions of usage)
2) Only system calibration
2)
Standard: 3.1 calibration certicate per DIN EN 10204
Option: DKD/DAkkS calibration certicate
Approvals and certicates, see website
Page 2 of 6 WIKA data sheet CT 60.10 ∙ 07/2014
Recommended temperature probes
Temperature probe
Resistance thermometer
Spring strain relief
2 metres
Engraved line
300 mm maximum insertion depth
350 or 450
Resistance thermometer (immersion probe) Temperature range
Pt100, d = 6 mm, l = 350 mm -50 ... +250 °C
Pt100, d = 6 mm, l = 350 mm -70 ... +450 °C
Pt100, d = 6 mm, l = 450 mm -70 ... +650 °C
ø 6 or ø 7
nominal
Centreline
of sensor
Resistance thermometer
Brazed weld
3 metres
Resistance thermometer (immersion probe) Temperature range
Pt100, d = 3 mm, l = 30 mm -50 ... +200 °C
Page 3 of 6WIKA data sheet CT 60.10 ∙ 07/2014
Resistance thermometer connection, 4-wire (5-pin DIN connector)
View towards front panel connector
Shield
Options
With DIN plug or SMART plug
With ASL's SMART connector on the probes, storing the data
is needed only once - in the connector! The calibration data
stays with the probe - permanently. It can even be used on
another instrument without any further action.
Viewed from top panel
Shield
The SMART connector saves time and reduces error. If there
are existing calibrated or uncalibrated probes, no problem,
CTR2000 automatically registers if a probe is SMART or
normal.
Features of the precision thermometer
■
Easy to use
■
Large graphic VFD display screen
■
2 channels as standard with optional 8 channels
■
4-wire measurement, optional 3-wire
■
SMART probe review and editor
1
2
3
8-Channel precision thermometer, model CTR2000
1 Inputs
2 VFD display with status channel
3 Soft keys
Page 4 of 6 WIKA data sheet CT 60.10 ∙ 07/2014
Operation
The instrument keypad consists of ve function keys and
three menu keys.
In temperature measurement mode the function keys are
used to directly control the measurement operation of the
instrument.
In instrument conguration mode the function keys operate
as soft keys along with the menu keys to enable the operator
to congure the instrument.
Instrument function keys
Key symbol Description Function
Selecting input channels
Ch Select input channel 1 to 8 Selects and displays measurement channel 1 to 8
A-B
Setting up measurement options
Select dierential measurement
ChA - ChB
Relative measurement function displays the dierence between selected ChA and
ChB inputs
Zero Zero display measurement Toggles the display zero (null) function
Hold Hold display measurement Toggles the display hold (measurement continues)
Units Select display units Rotates through the display units (Ω, °C, °F or K)
Menu functions
Menu Select menu options Cycles through the main menu functions of the instrument
Clear Clear data entry Clears any data entry errors or min/max statistics
Enter Save entry Saves data entry and returns to previous menu
Page 5 of 6WIKA data sheet CT 60.10 ∙ 07/2014
Scope of delivery
■
Model CTR2000 precision thermometer incl. power cord
■
Choice of model CTP5000 temperature probes
Option
■
DKD/DAkkS calibration certicate
■
UKAS calibration certicate
1) Only system calibration
1)
1)
Accessories
Expansion
■
Upgrade from 2 to 8 channels
Temperature probe model CTP5000
■
Immersion probe
■
Customer-specic probes are available on request
2-Channel precision thermometer, model CTR2000
Ordering information
CTR2000 / Number of channels / Resistance measurement / Additional order information
© 2013 WIKA Alexander Wiegand SE & Co. KG, all rights reserved.
The specications given in this document represent the state of engineering at the time of publishing.
We reserve the right to make modications to the specications and materials.
Page 6 of 6 WIKA data sheet CT 60.10 ∙ 07/2014
WIKA Alexander Wiegand SE & Co. KG
Alexander-Wiegand-Straße 30
63911 Klingenberg/Germany
Tel. +49 9372 132-0
Fax +49 9372 132-406
info@wika.de
www.wika.de
07/2014 GB
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