testo 174H BT - Mini data logger for temperature and humidity with Bluetooth® and app connection

All prices are exclusive of GST

Part No. 0572.1743.02

Humidity Data Logger. 

• Free app including report generation and export function 
• Simple data analysis via Bluetooth directly at the measuring point from up to 30 metres away
• Accurate indoor humidity and temperature measurement from -20 °C to +70 °C
• Reliable automatic data backup when the battery is empty or when changing the battery

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 -20 °C to +70 °C and stores up to 16,000 values. Configuration and analysis are easy with the free testo Smart App.

Product Description

The testo 174 H BT mini data logger is ideal for efficient commissioning, inspection and maintenance of all HVAC/R systems, as well as for convenient fault diagnosis and monitoring of the indoor climate. It accurately measures temperature and humidity in the range -20 °C to +70 °C, displays current values and limit value violations and stores up to 16,000 readings. Simple configuration and evaluation of the data logger is carried out via the free testo Smart App, which enables intuitive reporting and data analysis via Bluetooth up to 30 metres away.

The automatic data backup ensures reliable measurement data recording, even when the battery is empty or during a battery change.

Delivery Scope
testo 174 H BT mini temperature data logger including wall bracket, battery (2 x CR2032 lithium) and test report.

Temperature - NTC
Measuring range -20 to +70 °C
Accuracy ±0.5 °C (-20 to +70 °C)
Resolution 0.1 °C

Humidity - Capacitive
Measuring range 0 to +100 %RH*

Accuracy
±3 %RH (2 to +98 %RH)
±0.03 %RH/K

Resolution 0.1 %RH

* Not for condensing atmospheres. For continuous use in high humidity (>80 %RH at ≤30 °C for >12 h, >60 %RH at >30 °C for >12 h), please contact us via our website.

General technical data
Dimensions 60 x 38 x 18.5 mm
Operating temperature -20 to +70 °C
Protection class IP20
Channels 2 internal
Battery type 2 lithium batteries (CR2032)
Battery life 1 year (15 min measuring cycle, +25 °C)
Memory 16,000 measuring values
Storage temperature -40 to +70 °C 

Product-/housing material   Plastic

Measuring rate   1 min - 24 h

Weight 35 g

Product Brochures

• Data sheet testo 174

Operating instructions

• EU declaration of conformity testo 174 H BT
• Instruction manual testo 174 T BT / testo 174 H BT
• Quickstart testo 174 T BT / testo 174 H BT