EN/2018-03-14 Design and specifications subject to change without notice
CombiTemp™ TFRx is a temperature sensor, based on RTD technology, which is designed and produced to meet the requirements in food &
beverage and pharmaceutical industry where hygienic connections are
used.
CombiTemp™ TFRx comprises a series of basic elements which can
be combined in various ways to a CombiTemp TFRx temperature sensor. The product offers great flexibility in respect to modification, service and maintenance.
The sensor can be made to feature a RTD output signal or with a built
in FlexTop™ temperature transmitter types 2202, 2211 and 2221 with
4-20 mA output (for documentation of FlexTops, please see relevant
data sheet or operating instructions).
Field of application
Valid for FlexTop™ 2202 / 2211 / 2221
The FlexProgrammer configuration unit must not be connected to
the FlexTop within the hazardous area.
Configuration procedure:
a. Disconnect mains from the 4...20 mA loop circuit
b. Disconnect the product from the security within the hazardous
area
c. Bring the product to the safe area
d. Connect the FlexProgrammer and perform the configuration
e. Reinstall the product in the hazardous area
f. Connect the power supply to the circuit
For FlexTop™ 2221 only
Configuration for the FlexTop™ 2221 can be made within the hazardous area by means of a handheld HART configurator, providing the
precautions and guidelines described in the product’s manual are observed.
The CombiTemp TFRx is ATEX approved with transmitter for Ex nA for
zone 2.
The CombiTemp TFRx is ATEX approved without transmitter, i.e. with
Pt100 output only, as simple apparatus as Ex ia.
English page 1 … 8
Temperature sensor
CombiTemp TFRN/TFRH
Operating instructions
This instrument is constructed and tested according to the current EU
directives and packed in technically safe condition. In order to maintain
this condition and to ensure safe operation, the user must follow the
instructions and warnings given in this manual.
During the installation local standards have to be observed. Ignoring
the warnings may lead to severe personal injury or substantial damage
to property.
The product must be operated by trained staff. Correct and safe operation of this equipment is dependent on proper transport, storage, installation and operation.
All electrical wiring must conform to local standards and the connection
must be made according to the connecting diagrams.
Before switching on power supply take care that there is no unwanted
interaction with other equipment. Ensure that the supply voltage and
the conditions in the environment comply with the specification of the
device.
Before switching off the supply voltage check the possible effects on
other equipment and the processing system.
To obtain the specified protection degree, use a compliant cable for
electrical installation.
Field of application
WARNING
For electrical installations and commissioning of the explosion protected devices, the data given in the conformity certificate as also the local
regulations for installation of electrical apparatus within explosion protected areas must be considered. The intrinsically safe versions can be
mounted in the explosion hazarded area according to its specification
and only connected to a certified intrinsically safe supply loop with the
corresponding electrical values.
After mounting of the device - do check that the housing has a ground
potential.
Note:
This product contains no replaceable parts. In case of malfunction the
product must be returned to Baumer for repair.
ATEX applications
www.baumer.com
Page 1 / 12 Operating Instructions: 11163172 06 EN
Compliance and approvals
EMC Directive 2004/108/CE
EN 61326-1:2013
ATEX Directive 94/EC
EN/IEC 60079-0:2006
Food Regulation 1935/2004 / 2023/2006, 3-A, FDA
Pressure Directive 97/26/CE
Temperature DIN/EN/IEC 60751
Marine approval DNV
Temperature sensor
CombiTemp TFRN/TFRH
Operating instructions
Input Pt100
Output 2211 4...20 mA
2221 4...20 mA / HART
Accuracy, input <0,1°C
output <0,1% signal span (16 mA)
Range -200...850°C
Minimum span 25°C
Voltage supply range 2211 6,5 … 30 V DC
2221 8,0 … 35 V DC
Programmability By FlexProgrammer 9701
Further information can be found in separate data sheet and/or
operating instructions for FlexTop 2211 or FlexTop 2221
Process pressure ≤40 bar (60 bar)
Process temperature -40 … 250 °C (see page 3)
Ambient temperature -50...160°C without transmitter / display
-40...85°C with transmitter only
-30...80°C with transmitter and display
Humidity <98% RH, condensing
Protection class IP67/IP69K
Vibrations GL, test 2 (sensor tube <200 mm)
Type Graphically LCD
Front glass Polycarbonate
Display modes 8 modes, programmable
e.g. value, bar graph, analogue
Background colour White, green, red - programmable
Measuring range -9999...99999
Digit height Max. 22 mm
Accuracy 0,1% @ ambient –10...70 °C
0,2% @ ambient –30 … -10 / 70 … 80 °C
Voltage drop 4V...6,5V - depending on background light
Output 2 configurable relay output, 60 Vp, 75 mA
Programming Touch screen or FlexProgrammer 9701
Further information can be found in separate data sheet and/or operating instructions for the Baumer graphical display, CombiView DFON.
CombiView DFON display
Sensor element Pt100
Accuracy Class B ±(0,3 + 0,005×t)°C
(sensor element) Class AA ±1/3 × (0,3 + 0,005×t)°C
- 1/3 B ±1/3 × (0,3 + 0,005×t)°C
- 1/6 B ±1/6 × (0,3 + 0,005×t)°C
Class A ±(0,15 + 0,002×t)°C
Single element 1 × Pt100
Double element 2 × Pt100
Connection 2-wire or 4-wire
Sensor element specifications (DIN/EN/IEC 60751) Mechanical specifications
Sensor tube and
process connection Stainless steel, AISI 316L (1.4404)
Housing Stainless steel, AISI 304 (1.4301)
Mounting part
Stainless steel, AISI 304 (1.4301)
Electrical connection Plug M12, 5-pin or 8-pin
Material Stainless steel AISI 304 (1.4301)
Cable gland M16 or M20
Material Plastic or
Stainless steel AISI 304 (1.4301)
Environment
Input Pt100
Output 4...20 mA
Accuracy input < 0,25°C, span ≤ 250 °C
- < 0,1% span, span > 250 °C
output < 0,1% signal span (16 mA)
Range -200...850°C
Minimum span 25°C
Voltage supply range 8...35 V DC
Programmability By FlexProgrammer 9701
Further information can be found in separate data sheet and/or operating
instructions for FlexTop 2202
FlexTop® 2202 temperature transmitter
FlexTop® 2211 and 2221 temperature transmitter
www.baumer.com
Page 2 / 12
English page 1 … 7
Operating Instructions: 11163172 06 EN
Dimensions for sensor tube and process connection (mm) for TFRH
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Page 3 / 12
English page 1 … 7
Operating Instructions: 11163172 06 EN
Cooling neck
G 1/2 A BHC 3A ISO 2852 ISO 2852 Varivent®
Hygienic DN 38 DN 38 DN 51 Type N
(A03) (B01) (C04) (C05) (V02)
Dimensions for sensor tube and process connection (mm) for TFRN
Tube without connection
Tube with threaded connection
Fast response tip
Cooling neck
Distance piece
Dimensions for TFRN/TFRH housing
Temperature sensor
CombiTemp TFRN/TFRH
Operating instructions
Connection A A/F L Norm B C BCID
Without 15 Ø18 20...3.000 10 0 T20
R 1/2 15 10 22.0 17 35...3.000 ISO 7/1 R01
G 1/2 A 15 22.0 35...3.000 ISO 228/1 10 17 G40
G 1/2 DIN 3852-E 15 22.0 35...3.000 DIN 3852 13 14 G51
½-14 NPT 15 22.0 40...3.000 ANSI/ASME B1.20.1 10 22 N02
Fast response tip
Process
temperature
Cable diameter M16 plastic 5 … 10 mm
M16 stainless steel 5 … 9 -
M20 plastic 8 … 13 -
M20 stainless steel 11 … 15 -
Check the maximum temperature for the cable used
Be sure to fixate the instrument before tightening the cable gland.
When using M16 stainless steel and M20 stainless steel the
maximum tightening torque is 4 Nm.
When upgrading the TFRx without display with a DFON touch
screen, remember to remove the O-ring from the sealing. Otherwise
the sealing won’t be tight.
Pt100
2-w 4-w 3-w 2-w
– 4...20 mA +
Electrical connection Pt100
To connect with Pt100 output with ceramic terminal block
FlexTop® 22xx
Connection with 4 … 20 mA loop
CombiView DFON display
+ – (4...20 mA)
Relay 2 Relay 1
Com 1 Com 2
(red) (black)
Connection for
FlexProgrammer 9701
To connect the
FlexProgrammer 9701
5-pin 4-20 mA 8-pin 4-20 mA
1 + supply, 4-20 mA 1 N.C.
2 Common for relays 2 + supply, 4-20 mA
3 – supply, 4-20 mA 3 Relay 2
4 Relay 2 4 Relay 2
5 Relay 1 5 Relay 1
6 Relay 1
7 – supply, 4-20 mA
8 N.C.
– Com 2 Com 1 +
(black) (red)
To connect the
FlexTop® 22xx
Pt100
1 × Pt100 2 × Pt100
1 2-wire Pt100 1 Pt100 (1)
2 3-wire Pt100 2 Pt100 (1)
3 2-wire Pt100 3 Pt100 (2)
4 4-wire Pt100 4 Pt100 (2)
5 N.C 5 N.C
Electrical connection 4 … 20 mA
Electrical connection DFON display
To connect Pt100 output with M12 connector
To connect with M12 connector
Sensor
diameter
Sensor
tip
Liquid
0,4 m/sec
Air
3 m/sec
Air
0 m/sec
Ø6 mm Fast <1,5 sec <21,4 sec <135,6 sec
Standard <6,1 sec <27,2 sec <137,8 sec
8 mm Fast <1,5 sec <33,6 sec <181,0 sec
Standard <7,6 sec <47,7 sec <200,9 sec
100 %
80 %
60 %
40 %
20 %
0%
1
2
3
1: Sensor without thermowell
(Embedded sensor)
2: Sensor with thermowell,
with thermal compound
3: Sensor with thermowell,
without thermal compound
0 1 2 3 4 5 6 7 8 9 10 Minutes
Response time, (time constant) T50
Electrical connection with cable gland
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Page 4 / 12
English page 1 … 7
Process temperature
°C 400
350
300
250
200
150
100
50
0 20 40 60 80 100 °C
Ambient temperature
85 °C
Note:
When a thermowell
is used, the time
delay increases.
The delay is the
time duration for
the sensor to reflect
the correct temperature after a temperature change in
the media.
With cooling neck and distance piece
With cooling neck
Standard without cooling neck
Operating Instructions: 11163172 06 EN
Temperature sensor
CombiTemp TFRN/TFRH
Operating instructions
1 × Pt100 2 × Pt100
Pt100
(2)
Pt100
(1)
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