RS PRO Type K Exposed Junction Thermocouple 3m Length, 1/0.3mm Diameter → +260°C

Save 10% when you buy 10 units

Subtotal (1 unit)*

£14.73

(exc. VAT)

£17.68

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 21 unit(s) shipping from 06 October 2025
  • Plus 140 unit(s) shipping from 24 November 2025
  • Plus 140 unit(s) shipping from 12 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 - 4£14.73
5 - 9£14.02
10 +£13.23

*price indicative

RS Stock No.:
131-4754
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Thermocouple Type

K

Probe Diameter

1/0.3mm

Probe Length

3m

Probe Material

PFA

Maximum Temperature Sensed

+260°C

Termination Type

Overmoulded Male Miniature Plug

Cable Length

3m

Standards Met

IEC, RoHS Compliant

COO (Country of Origin):
GB

RS Pro IEC Type K Exposed Junction Fast Response Thermocouple with Moulded Miniature Plug


From RS Pro a range of type K thermocouple temperature sensors conforming to IEC-584-3 standards with a Class 1 tolerance. These thermocouple temperature sensors feature a welded tip exposed junction for a fast response time. The twin-twisted leads have a durable Teflon PFA insulation and are terminated one end with a moulded miniature flat pin plug which is colour coded green in accordance with IEC. The moulded plug has a a robust construction, provides a waterproof termination and enables a quick and easy connection.

How does a Thermocouple Work?


A thermocouple is a sensor used to measure temperature in a range of different processes and consists of two wire legs made from different metals joined together at their two ends to form two junctions. The hot, or measuring junction is connected to the body whose temperature is going to be measured. The cold junction or reference junction is connected to a body of known temperature. When the measuring junction is placed on something hot a voltage or potential difference between this and the reference junction occurs. This voltage can then be converted into a temperature measurement using thermocouple reference tables. This process is also known as the Seebeck Effect

What is a Welded Exposed Junction?


A welded exposed junction is where the thermocouple wires are welded together but are not surrounded by the outer sheath. The ends of the wire are directly inserted into the process. This means the thermocouple has a high sensitivity and response time. Welded exposed junctions are more prone to corrosion and are recommended for measuring flowing or static non-corrosive gas temperatures

Features and Benefits


• Welded, exposed junction for fast response times
• IEC-584-3 Class 1 tolerance for optimum accuracy
• Durable Teflon PFA lead insulation for resistance to oils, acid, fluids and good mechanical strength and flexibility
• Miniature moulded plug with robust design for quick connection and waterproof termination
• Temperature range of -75 to +250°C

Applications


Exposed junction thermocouples are more prone to corrosion and are recommended for measuring flowing or static non-corrosive gas temperatures. Applications include test and development, test and measurement, temperature mapping and OEM applications.

Note

Small Pack Size:131-4754
Large Pack Size:262-3202

Related links