Testo 174 H BT Mini Data Logger for Temperature and Humidity

The testo 174 H BT mini data logger is the ideal solution for commissioning, inspection and maintenance of all HVAC/R systems. It reliably monitors temperature and humidity in a measuring range from -4 °F to 158 °F and stores up to 16,000 values. Configuration and analysis are easy with the free testo Smart App.

Designed for efficient HVAC/R system management and indoor climate monitoring, this compact device accurately measures temperature and humidity, displaying current values and alerting to limit violations. With a capacity for 16,000 readings, it provides comprehensive data for fault diagnosis and ongoing environmental assessment.

Why It Matters

Accurate and reliable monitoring of temperature and humidity is crucial for maintaining optimal indoor climate conditions, preventing mold growth, ensuring equipment efficiency, and validating HVAC/R system performance. The Testo 174 H BT offers the precision and ease of use needed for critical environmental control.

What's Included

• testo 174 H BT mini temperature and humidity data logger
• Wall bracket
• 2 x CR2032 lithium batteries
• Test report

Features & Benefits

• Free testo Smart App for configuration, report generation, and data export.
• Simple data analysis via Bluetooth connection, up to 30 metres away, directly at the measuring point.
• Accurate indoor humidity and temperature measurement from -4 °F to 158 °F (-20 °C to +70 °C).
• Reliable automatic data backup protects measurements during battery changes or when the battery is empty.
• Compact design (60 x 38 x 18.5 mm) with a lightweight build (35 g) for discreet placement.
• Large memory capacity of 16,000 measurement value pairs (temperature and humidity).

Applications

• Commissioning, inspection, and maintenance of HVAC/R systems.
• Convenient fault diagnosis in heating, ventilation, air conditioning, and refrigeration.
• Long-term monitoring of indoor climate conditions in offices, homes, or storage facilities.
• Documenting environmental parameters for quality control and compliance.

Tradie Pro Tip

Always ensure your data logger is mounted in a location that accurately represents the area you're monitoring, away from direct drafts or heat sources. Use the wall bracket for stable, consistent readings and maximise the Bluetooth range by positioning it clear of obstructions when retrieving data.

Technical Specifications

* Not for condensing atmospheres.

Pair With

• Testo Smart Probes
• HVAC Data Loggers
• Thermal Imagers

Streamline your HVAC/R system monitoring and climate control with the Testo 174 H BT Mini Data Logger. Order yours today to experience accurate measurements, easy data access, and reliable performance.