What is the Extech 39240 Waterproof Stem Thermometer?
The Extech 39240 is a compact waterproof digital stem thermometer designed for UK HVAC and refrigeration technicians who need fast, accurate temperature checks in liquids, air or semi-solids. With a stainless steel probe and wide measurement range, it’s ideal for testing heating, cooling and ventilation systems, as well as monitoring water baths, food storage and environmental equipment.
How does the 39240 stand out in everyday use?
Built for convenience and reliability, the Extech 39240 provides quick readings with 0.1° resolution on a clear digital display. Its MAX/MIN memory, data hold and auto power-off features make it perfect for on-site diagnostics. The stainless steel stem is durable, easy to clean and suitable for demanding HVAC or maintenance applications.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
