Testo 174 T Bluetooth Temperature Data Logger, -30 to 70 °C, IP65, 16,000 Readings 0572 1742 01

Capture temperature data from -30 to 70 °C with ±0.5 °C accuracy using the Testo 174 T Bluetooth data logger. Its NTC sensor delivers 0.1 °C resolution, and the 16,000-reading memory supports logging intervals from 1 minute to 24 hours. The IP65-rated ABS housing withstands dust and water jets, while the clear LCD shows current, min, and max values. Bluetooth Low Energy enables wireless setup and data retrieval via the free testo ComSoft Basic software; a USB docking station (sold separately) offers wired transfer. Powered by two CR2032 batteries, it runs up to 500 days at a 15-minute logging rate. HACCP and EN 12830 compliant, it is ideal for cold chain monitoring, food storage, and HVAC applications.

Overview

The Testo 174 T is a compact, robust temperature data logger designed for reliable long-term monitoring. Its NTC sensor provides accurate measurements across a wide range, and the large memory ensures extended logging without frequent downloads. The Bluetooth interface simplifies configuration and data access from a smartphone or tablet, while the display offers immediate on-site readings.

What stands out

• Wide measurement range: -30 to 70 °C with ±0.5 °C accuracy
• IP65 protection against dust and water jets
• 16,000-value memory for long-term logging
• Bluetooth Low Energy for wireless data transfer
• Up to 500 days battery life (15-min interval)
• HACCP and EN 12830 compliant for food safety

Technical details

• Measurement parameter: Temperature
• Sensor type: NTC
• Resolution: 0.1 °C
• Logging rate: 1 min to 24 h (adjustable)
• Interface: Bluetooth Low Energy (BLE), USB via docking station
• Battery: 2 x CR2032 lithium
• Display: LCD (current, min, max, alarms)
• Alarm function: Visual via display
• Operating/storage temperature: -30 to 70 °C
• Housing material: ABS
• Software: testo ComSoft Basic (free download)

Our verdict

The Testo 174 T delivers dependable temperature logging with wireless convenience and long battery life, making it a solid choice for cold chain and facility monitoring.