Back to product search

H&B Sensors RTD301 Sensor with Connection Head

H&B Sensors RTD301 Sensor with Connection Head

H&B Sensors RTD301 is an immersion style RTD sensor with connection head. It is designed to use with a compression fitting or duct plate.

The RTD301 temperature sensor is a versatile device. It is offered in various configurations, including 2, 3 or 4 wire Pt100 or Pt1000 in simplex, duplex or triplex arrangements. The device boasts a range of accuracy classes from 1/10 DIN, 1/5 DIN, 1/3 DIN, class A to class B. These accuracy classes are designed to accommodate different measurement requirements.

This RTD assembly comes with a choice of connection heads in either aluminium, stainless steel or plastic, and a M20 x 1.5 cable entry. The sensor can be equipped with a ceramic terminal block, 4 to 20 mA transmitter or supplied with tails. Additionally, users can choose between loop-powered or battery-powered indicator options.

The RTD301 RTD temperature sensor has obtained certification for ATEX Exia, IECEx Exia, UKEX Exia (intrinsically safe), ATEX Exd, IECEx Exd or UKEX Exd (flameproof) standards, enabling safe deployment in Zones 0, 1, 2, 20, 21 and 22 for hazardous applications.

With an operating temperature range spanning from -196°C to +650°C, the RTD301 is a reliable and durable solution for temperature measurement needs.


  • RTD Sensor: Pt100 • Pt1000
  • Sensor Configuration Simplex: • Duplex • Triplex
  • Sensor Wiring 2 Wire: • 3 Wire • 4 Wire
  • Sensor Class Class B: • Class A • 1/3 DIN • 1/5 DIN • 1/10 DIN
  • Approvals ATEX Exd II 2 GD: • IECEx Exd II GD • UKEX Exd II 2 GD • ATEX Exia II 1 GD • IECEx Exia II 1 GD • UKEX Exia II 1 GD
  • Connection Head Aluminium: • 316 Stainless Steel • Plastic
  • Termination Terminal Block: • Temperature Transmitter • Tails
  • Indicator Battery Powered: • Loop Powered
  • Design Temperature Low: (-196°C to +100°C) • Standard (-50°C to +250°C) • High (-50°C to +650°C)

Fluidic are a recognised partner of Vaisala for Scotland and the North of England.  Our instrumentation engineers are product trained and able to help with instrument selection within the full range of Vaisala Relative Humidity, Temperature and barometric pressure products for a number of pharmaceutical applications.  Please call either office for more information (Glasgow 0141 641 5920,  Warrington 01925 572401).


Enquire about this product
Your Name *
Please call either office for more information: