Therma 1 Industrial Digital Thermometer

Rugged and built for performance, the ETI Therma 1 is a professional-grade digital thermometer tailored for demanding industrial environments—ideal for HVAC, construction, building management, food processing, and more. Designed and manufactured in Worthing, UK, this thermometer features an ABS casing with Polygiene Biomaster antimicrobial protection for enhanced hygiene and durability.

With a vast temperature range from –99.9 °C to 1,372 °C, dual resolution modes (0.1 °C and 1 °C), and compatibility with a wide variety of interchangeable Type K thermocouple probes, this versatile tool ensures precise monitoring for diverse applications. Supplied with a free traceable calibration certificate and backed by a two-year guarantee, the Therma 1 delivers reliable accuracy and long-lasting value.

Item sold without probe.

Key Features:

• Broad Temperature Range:

  • –99.9 °C to 299.9 °C at 0.1 °C resolution

  • 300 °C to 1,372 °C at 1 °C resolution

• High Accuracy: ±0.4 °C ± 0.1% of reading

• Auto-Off & Battery Efficient: Powered by 3 × AAA, offering a minimum of 5 years battery life (≈10,000 hours). Automatic shut-off after 10 minutes, with a user-disable option available 

• Durable & Hygienic Build: ABS housing embedded with Biomaster additive to reduce bacterial growth 

• Versatile Probe Compatibility: Works with a wide selection of interchangeable Type K probes (sold separately) for applications including surface, air, pipe, and food measurements

• Highly Legible Display: Features a 12 mm LCD, low-battery and open-circuit (‘Err’) indicators, a HOLD function, and Max/Min tracking

• Robust Enough for Tough Jobs: Splash-resistant to IP64 rating when used with optional protective boot

• Traceable Calibration Certificate & Warranty: Supplied with a certificate and backed by a two-year guarantee, ensuring trusted, accurate readings