Temperature Sensor-Combi Temp TFRN
Make: BAUMER (Made in Denmark)
Model Code: Combitemp-TFRN
Part Code:TFRN
Order Code: KLSBU091TFRN
RTD temperature sensor for industrial application
Features:
✔ Flush membrane with 3-A sanitary standards (FDA-compliant) and EHEDG
✔ Resistant to all common CIP cleaning media and SIP-capable (150 °C max, < 60 min)
✔ Versions available for high media temperatures (200 °C)
✔ Built in graphical display (CombiView DFON optional) and programmable by touch screen or with Flex Programmer 9701
✔ Optionally available with additional relays and 4 … 20 mA with HART
✔ Available with optional ATEX approval (4 … 20 mA output signal)
SKU:KLSBU091TFRN
Brand Category: BAUMER (Denmark)
Product Category: Temperature Measurement
Warranty: 1 Years (against manufacturing defects only
Baumer Temperature Sensor-Baumer CombiTemp TFRN
Reliable electronic temperature measurement with high precision
- Wide range of measuring technologies and Pt100 classes
- Selectable output signal (RTD, 4 … 20 mA, HART)
- Extensive portfolio of process connections, adapters and accessories
The Temperature Sensor-Baumer CombiTemp TFRN is a robust and modular temperature sensor engineered for precision and reliability in industrial temperature monitoring. With its flexible design, the TFRN offers easy customization to meet diverse process requirements. This sensor is ideal for applications in industries such as energy, chemical processing, food and beverage, and water treatment, where accuracy and durability are paramount.
Key Features
- Modular Design: Allows for flexible configuration with replaceable inserts and multiple process connections.
- Integrated Transmitter: Supports 4–20 mA, HART, or Profibus PA for seamless integration into control systems.
- Wide Operating Range: Designed to measure temperatures from -200°C to +600°C.
- Robust Construction: Built with stainless steel for excellent resistance to corrosion and harsh environments.
- Easy Installation: Compact and user-friendly design suitable for various industrial setups.
- Long-Term Stability: Delivers consistent and accurate measurements with minimal drift over time.
- Ingress Protection: High IP ratings (IP67/IP69K) ensure reliable operation in demanding environments.
Applications
- Energy and Utilities: Monitors critical temperatures in turbines, boilers, and heat exchangers.
- Chemical Processing: Measures temperature in pipelines, reactors, and tanks with high reliability.
- Food and Beverage: Ensures compliance with industry standards for temperature monitoring in hygienic processes.
- Water Treatment: Monitors temperature in filtration, desalination, and storage systems.
- Pharmaceuticals: Ensures precision and compliance in temperature-critical environments.
Approvals:

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Technical Data
Performance characteristics
Process temperature
Refer to section "Operating conditions"
Pt100 accuracy class (EN 60751)
B (± 0.3 °C at 0 °C)
± (0.3 + 0.005 × t)°C
A (± 0.15 °C at 0 °C)
± (0.15 + 0.002 × t)°C
1/3 B (± 0.1 °C at 0 °C)
± 1/3 × (0.3 + 0.005 × t)°C
1/6 B (± 0.05 °C at 0 °C)
± 1/6 × (0.3 + 0.005 × t)°C
Thermal response time, T50
< 1.5 s , Ø4 mm
< 6.1 s , Ø6 mm
< 7.6 s , Ø8 mm
Process pressure
Absolute
Refer to section "Operating conditions"
Process connection
Sensor length
20 … 3000 mm20 … 3000 mm
Sensor tube material
AISI 316L (1.4404)
Surface roughness wetted parts
Ra ≤ 1.6 µm
Ambient conditions
Degree of protection (EN 60529)
IP67
IP69K , with appropriate cable
Humidity
< 98 % RH , condensing
Vibration (sinusoidal) (EN 60068-2-6)
1.6 mm p-p (2 … 25 Hz), 4 g (25 … 100 Hz), 1 octave / min.
Output signal
Without transmitter
1 x Pt100, 2-wire
1 x Pt100, 4-wire
2 x Pt100, 2-wire
With transmitter
4 … 20 mA , 2-wire
4 … 20 mA , 2-wire + HART®
Compliance and approvals
EMC
EN 61000-6-2
EN 61000-6-3
EN 61326-1
Explosion protection
ATEX II 1G Ex ia IIC T4/T5 Ga
ATEX II 3G Ex nA IIC T4/T5 Gc
Ex ia Simple apparatus, gas and dust
Accessories/ Probes
ISO Calibration Certificates
Drawings
FlexHousing front view
FlexHousing with rear process connection
FlexHousing with bottom process connection
FlexHousing with bottom process connection
Spacer
G 1/2 A DIN 3852-E (BCID: G51)
BHC 3A DN 76, membrane Ø 25 mm (BCID: B02)
Varivent® DN 32 … 125; 1 1/2" … 6" (Type N), Ø 68, membrane Ø 25 mm (BCID: V02)
G 1/2 A DIN 3852-A (BCID: G44)
R 1/2 ISO 7/1 (BCID: R06)
1/2-14 NPT (BCID: N02)
Standard response tip
Fast response tip
Downloads
Product Brochures
➤ Datasheet Baumer Temperature Sensor (application/pdf, 308 KB)
Manuals
➤ Instructional Manual Baumer Temperature Sensor (PDF, 1.8 MB)
