RS PRO Thermocouple Compression Fitting for use with Thermocouple With 6mm Probe Diameter, 1/4 BSPT

  • RS stock no. 839-9544
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
COO (Country of Origin): GB
Product Details

RS PRO Brass Compression Fitting with BSPT Tapered thread

From RS PRO a high-quality brass compression fitting or compression gland for attaching the probe of your thermocouple or RTD (Resistance Temperature Detector) securely into process fittings such as flange plates and thermowells. This brass compression fitting also provides a quick and convenient way of securing your probe at the correct immersion depth into the process it is measuring.

How Does a Compression Gland Work?

A compression fitting comprises of an outer compression nut and an inner compression ring or ferrule also called an ’olive’. The male thread of the fitting is screwed into the thermowell or bulkhead. The probe is then inserted into the aperture at the top of the fitting to the required length. The outer compression nut is then tightened which forces the olive to compress around the outer sheath of the probe. The probe is then held securely in place and a leak-free tight seal provided.

Features and Benefits

• Enables secures connection of a probe into a thermowell or bulkhead
• Quick and easy adjustment of sensor immersion length
• Resistance to pressure applications
• BSPT tapered thread for a tight seal
• Brass provides corrosion resistance and good thermal conductivity


These brass compression fittings are used for fixing thermocouples in bulkheads, sealing sensors in vessels and securing probes into thermowells or thermopockets.


Attribute Value
Accessory Type Thermocouple Compression Fitting
For Use With Thermocouple
Standards Met RoHS Compliant
Connector Size 1/4 BSPT
Connector Type In-Line
Probe Diameter 6mm
94 Available from UK/Europe in 4–6 working days (Covid-19 flight delays could impact quoted delivery times) for collection or delivery to major cities (Heavy, hazardous or lithium product excluded. Delivery T&C's apply)
Price (Excl VAT) Each
R 158.74
(exc. VAT)
R 182.55
(inc. VAT)
Per unit
1 - 9
R 158.74
10 - 19
R 155.57
20 +
R 150.90
Not Available for premium delivery