Steriprobe® Sterimaster® Autoclave Chamber & Load Temperature Probe

The Steriprobe® SL100 (marketed as the Sterimaster® SL104 in the USA) is a high-performance autoclave load and chamber temperature probe manufactured in the UK by Thermal Detection. Trusted by leading steriliser manufacturers and end users worldwide, the Steriprobe® has become a proven solution for accurate temperature monitoring in pharmaceutical, biotechnology and healthcare sterilisation applications.

Engineered for the demanding conditions found within steam autoclaves and sterilisers, the Steriprobe® features a rugged construction designed to deliver reliable and precise temperature measurement throughout the sterilisation cycle. Its design incorporates a stainless steel conduit armour, providing enhanced mechanical protection against handling damage, repeated use and harsh operating conditions. This robust construction helps ensure long-term performance in high-temperature, high-humidity environments where measurement accuracy is critical for process control, validation and regulatory compliance.

Key Features

  • Accurate load and chamber temperature measurement
  • Stainless steel conduit armour for enhanced mechanical protection
  • Designed for steam autoclaves and sterilisation systems
  • Rugged construction for demanding pharmaceutical environments
  • Available in RTD and thermocouple sensor formats

Manufactured in the UK and specified worldwide by leading steriliser manufacturers

Please use the Product Enquiry Form to indicate your requirements

Each Steriprobe® benefits from the following features:

  • All 316 stainless steel construction.
  • Double lock 316 stainless conduit to protect the probe whilst inside the autoclave, and during unloading/unloading.
  • Manufacturing process designed to ensure probe is sealed against moisture ingress.
  • Silicone insulated lead insulation FDA approved (21CFR 177 2600).
  • Steel tailpiece (chamber entry tube) to ensure a good seal through the autoclave wall. Available with a range of fittings for efficient sealing.

Mounting Options on Chamber Entry Tube

The following options are available with any Steriprobe. Please use the product enquiry form to indicate your requirements.

Tri-clover Flange – Any size

Tri-clover Flange - Any size

Compression Fitting – BSPT, BSPP, NPT, Metric threads

Compression Fitting - BSPT, BSPP, NPT, Metric threads

Product Features

  • Steriprobe® and Sterimaster® are registered trademarks of Thermal Detection Ltd
  • Used extensively in steam and water cycle autoclaves
  • Available in PT100 or PT1000 RTD (Class A, AA as IEC 60751, also 1/10 DIN)
  • Available in thermocouple formats (type ‘T’ and ‘K’ Class 1 as IEC 60584-1 as standard).
  • Stainless steel conduit for the mechanical protection of lead wire
  • All metallic parts in Grade 316L (1.4404/1.4435) stainless steel.
  • Sensor conductors Teflon® insulated, outer jacket in thick walled extruded silicone rubber, FDA listed 21CFR 177 2600.
  • Silicone rubber jacket to USP VI also available on request.
  • Available in many sizes, and custom requirements to order.
  • Standard units ex-stock
  • Fittings and feedthroughs to suit

Steriprobe SL100 Datasheet (pdf)
Sterimaster SL104 Datasheet (USA) (pdf)
AppNt001 - Steriprobe (pdf)
AppNt002 - Steriprobe (pdf)
AppNt003 - Sterimaster (pdf)

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