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testo 174 H & 174 H BT data loggers
Bluetooth and USB-C temperature & humidity data loggers for pharmaceutical monitoring, validation, and compliance
Which Testo 174 Data Logger Is Right for You?
Need to monitor temperature and humidity in storage areas, offices, warehouses, laboratories, or other environments? The testo 174 H series provides a simple way to continuously record both measurements and document changing conditions.
Choose the model based on how you want to access your data:
testo 174 H: A compact, easy-to-use temperature and humidity data logger with data transfer via USB. A practical choice when you need reliable monitoring and straightforward data analysis.
testo 174 H BT: Offers the same temperature and humidity monitoring capabilities with the added convenience of Bluetooth connectivity. Transfer and analyze measurement data conveniently using a compatible mobile device.
Choose your readout method
testo 174 H BT
Mini data logger for temperature and humidity, Bluetooth & app connection
$165.75 was: $195.00 15% OFF instantly
Valid until September 30, 2026 · Ships in ~3 working days · Free shipping
Free app including report generation and export function
Bluetooth readout up to 30 metres away
Accurate temperature & humidity from -4°F to 158°F
Automatic data backup, even during battery change
USB-C Alternative
testo 174 H
Mini data logger for temperature and humidity — USB-C & professional PC software
Same measuring range as the 174 H BT — ideal for teams who already use PC-based reporting instead of the mobile app. Includes Excel export and PDF reports.
$146.20 was: $172.00 15% OFF
Free app + reports
16,000 stored readings
Bluetooth up to 30m
Ideal for HVAC/R & cold chain
Not sure which logger fits your application?
Tell us what you're monitoring and we'll help you choose the right model.