Temperature Transmitters

A temperature transmitter is a device that connects to a temperature sensor (thermocouple or RTD) and transmits the signal to another location for monitoring or process control applications. Temperature transmitters isolate, amplify, filter EMC noise, linearize, and convert the input signal from the sensor into a usable 4-20mA output. The 4-20mA signal is a convenient way to interface with industrial equipment such as PLCs or data loggers. They are available in many forms which vary in degrees of sophistication ranging from compact DIN rail mounted units to programmable smart devices.RS Components offer a wide range of accurate, high-performance transmitters from leading brands including PR Electronics, Jumo, LKMelectronic and of course RS PRO.

What are the different types of temperature transmitter?

Transmitters come in a range of types and mounting methods. Some of the most common are:Head-Mounted temperature transmitters incorporate the transmitter into a connection head or housing of the sensor. Simple in design they are relatively easy to install and require minimal wiring and set up.Field Mount temperature transmitters are designed to operate in harsh environments. They are typically housed in robust enclosures for extra protection from the elements.Rail Mount temperature transmitters are designed to be mounted on DIN rails and can be grouped together in a panel for easy access.Explosion-proof temperature transmitters are high-precision transmitters and are used in hazardous areas. They must only be used by qualified engineers and technicians. They can be DIN rail or head mounting comes with ATEX and or IECEx certifications.

How does a temperature transmitter work?

The transmitter works by drawing the current from a remote DC power supply which is connected to the sensor input. Connecting the transmitter only 2-wires are needed.


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Description Price Input Type Output Type Supply Voltage Diameter Minimum Temperature Input Maximum Temperature Input Interface Minimum Operating Temperature Maximum Operating Temperature Series Depth Hazardous Area Certification
RS Stock No. 192-6535
BrandRS PRO
TWD8,559.00
Each
units
Linear Resistance, RTD, Thermocouple, Voltage - 7.2 → 30 V dc 44 mm -200°C 850°C - -40°C +85°C - 20.2mm ATEX, IECEx
RS Stock No. 921-3148
Mfr. Part No.2202-0001.C
BrandBaumer
TWD3,977.00
Each
units
PT100 - 8 → 28 V dc 44 mm - - - 0°C +100°C FlexTop 2202 26.3mm -
RS Stock No. 827-5454
Mfr. Part No.3101
TWD3,968.00
Each
units
Temperature Current 16.8 → 31.2 V dc - - - - -25°C +70°C 3101 - -
RS Stock No. 370-8151
Mfr. Part No.LKM 104/3
TWD2,268.00
Each
units
PT100 - 24 V 44 mm 0°C +150°C - -40°C +85°C LKM 104 26.5mm -
RS Stock No. 827-5467
Mfr. Part No.3331
TWD4,453.00
Each
units
Temperature Current 5.5 → 35 V dc - - - - -25°C +70°C 3331 - -
RS Stock No. 113-547
Mfr. Part No.7NG3212-0AN00
BrandSiemens
TWD18,606.00
Each
units
PT100 - 11 → 35 V dc 44 mm - - - -40°C +85°C SITRANS TH300 26.3mm -
RS Stock No. 370-7748
Mfr. Part No.LKM 103/2
TWD2,183.00
Each
units
PT100 - 24 V 44 mm 0°C +100°C - -40°C +85°C LKM 103 26.5mm -
RS Stock No. 187-5670
Mfr. Part No.LKM S2
TWD6,222.00
Each
units
- - 8 (Auxiliary) V - - - - - - - - -
New
RS Stock No. 210-7264
Mfr. Part No.EVOXCM#RXMX000150XXXX
BrandItalcoppie
TWD3,588.00
Each
units
4-wire RTD PT100 - 32 V 12 mm 0°C 150°C - - - - - -
RS Stock No. 370-7990
Mfr. Part No.LKM 213/3
TWD2,989.00
Each
units
PT100 - 10 → 36 V - 0°C +150°C - -40°C +85°C LKM 213 53mm -
RS Stock No. 136-8675
Mfr. Part No.6334A2B
TWD10,404.00
Each
units
Thermocouple, Voltage - 7.2 → 30 V dc 23.5 (Width) mm - - - -40°C +85°C 6300 104mm -
RS Stock No. 136-8676
Mfr. Part No.6334B2B
TWD12,080.00
Each
units
Thermocouple, Voltage - 7.2 → 30 V dc 23.5 (Width) mm - - - -40°C +85°C 6300 104mm ATEX
RS Stock No. 136-8680
Mfr. Part No.6337D2A
TWD16,180.00
Each
units
Linear Resistance, RTD, Thermocouple, Voltage - 8 → 30 V dc 23.5 (Width) mm -200°C 850°C - -40°C +85°C 6300 104mm ATEX
RS Stock No. 136-8682
Mfr. Part No.6337A2A
TWD13,446.00
Each
units
Linear Resistance, RTD, Thermocouple, Voltage - 8 → 30 V dc 23.5 (Width) mm -200°C 850°C - -40°C +85°C 6300 104mm -
RS Stock No. 452-8681
Mfr. Part No.707031/880-001-005/000,000 0..100°C
BrandJumo
TWD2,162.00
Each
units
PT100 - 7.5 → 30 V dc 44 mm - - - -40°C +85°C dTrans T03 21mm -
RS Stock No. 921-3145
Mfr. Part No.2202-0001.C
BrandBaumer
TWD2,681.00
Each
units
PT100 - 8 → 28 V dc 44 mm - - - 0°C +150°C FlexTop 2202 26.3mm -
RS Stock No. 370-7776
Mfr. Part No.LKM 101/K2
TWD2,183.00
Each
units
Thermocouple Type K - 24 V 44 mm 0°C +800°C - -40°C +85°C LKM 101 26.5mm -
New
RS Stock No. 212-7286
Mfr. Part No.2811394
TWD14,553.00
Each
units
Cu Sensor 2-Wire, Cu Sensor 3-Wire, Cu Sensor 4-Wire, Ni, Pt - 24 → 230 V ac/dc - -250°C 2500°C - - - - - -
RS Stock No. 913-0841
Mfr. Part No.LKM 262
TWD3,312.00
Each
units
- - - - - - - - - - - -
RS Stock No. 370-7984
Mfr. Part No.LKM 213/4
TWD3,049.00
Each
units
PT100 - 10 → 36 V - 0°C +200°C - -40°C +85°C LKM 213 53mm -