The UK’s largest manufacturer of digital thermometers
Over 40 years of experience producing thermometers, hygrometers and pH meters trusted by caterers, food processors and laboratories - backed by an in-house UKAS-accredited laboratory.
Proudly British-made
Hundreds of instruments handmade in the UK with quality at the heart.
UK next-day delivery
Free UK shipping over £60. Next-day delivery available.
UKAS-accredited laboratory
Accredited temperature and humidity calibration services in-house.
International shipping
Shipping to over 100 countries.
Shop by category
Find the right instrument
Food thermometers
Fast, accurate probes for HACCP compliance.
Thermapens
Our flagship product and the industry favourite.
Remote monitoring
USB and Wi-Fi data loggers for automated monitoring.
Bluetooth enabled
Time-stamped readings to your digital archive.
Infared thermometers
Infared thermometers for all commercial & building facilities.
Humidity meters
Hygrometers for agriculture, facilities & storage.
Best sellers
Trusted by professionals daily
Latest products
Our newest products
Special offers
This month's best value
Solutions by industry
Designed for your industry
Other sectors we serve
ETI cloud software
Smart food safety software
WiFi thermometers report centrally through the ThermaData Hub or ETI Cloud software systems, automating the records your HACCP and compliance audits depend on.
- Automatic, paperless temperature logging
- Real-time alerts when readings drift out of range
- One dashboard across every site and fridge
Why ETI
Accuracy you can certify, every time
ETI cloud software
Guides, charts & case studies
Digital measurement solutions — temperature, humidity, pH, moisture & pressure
ETI offers a wide range of robust, accurate digital thermometers for every application. Our temperature sensors make every check quick and easy — from fridge thermometers for HACCP compliance to room thermometers for building maintenance. Digitalise your temperature records with our WiFi thermometers, data loggers, Bluetooth thermometers, and compliance software. Best known for our UK-made cooking thermometers — the Thermapen, Food Check and Therma 20 — we’re leaders in designing professional food probes. Alongside probe and infrared thermometers, we also produce hygrometers, pH meters, moisture meters, manometers and more ...