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Testo 174H-BT Mini Temperature and Humidity Logger with Bluetooth

  • Bluetooth app control – view live readings up to 30 m away
  • Fast PDF or Excel reporting – create reports on-site
  • Accurate temp and humidity monitoring – reliable indoor checks
  • Auto data backup – keeps measurements safe
  • 16,000-reading memory – ideal for long-term monitoring
£138.00 £115.00
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Availability: Usually 5 working days

Product Code
TES174-H-BT

Free Delivery

90-day Returns

Technical Support

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Testo 174H-BT Mini Temperature and Humidity Logger with Bluetooth

What is the Testo 174H BT Bluetooth Temperature and Humidity Data Logger?

The Testo 174H BT is a compact Bluetooth data logger designed for HVAC engineers, building maintenance technicians and facility managers who need reliable long-term monitoring of indoor temperature and humidity.
Its high-accuracy sensors, 16,000-reading memory and wireless app connectivity make it ideal for commissioning HVAC systems, indoor climate checks and monitoring moisture-sensitive environments.

 

Why choose the 174H BT for everyday monitoring?

With Bluetooth connectivity up to 30 m, you can download and review data directly from the free Testo Smart App, without removing the logger from the installation point.
Automatic data backup ensures no readings are lost, even during battery changes, giving technicians confidence when logging critical temperature and humidity trends.

 

Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.

 

More Information
ManufacturerTesto
Manufacturer Part Number0572174302
GTIN4029547027758
document Manual 174-H-BT (439.39 kB)
document Datasheet 174-H-BT (800.06 kB)
  • Temperature range: -20 to +70 °C
  • Temperature accuracy: ±0.5 °C (-20 to +70 °C)
  • Temperature resolution: 0.1 °C
  • Humidity range: 0 to 100 %RH (non-condensing)
  • Humidity accuracy: ±3 %RH (2 to 98 %RH)
  • Humidity resolution: 0.1 %RH
  • Sensor type: Capacitive RH sensor and NTC thermistor
  • Memory capacity: 16,000 readings
  • Measuring interval: 1 min to 24 h
  • Channels: 2 internal
  • Operating temperature: -20 to +70 °C
  • Storage temperature: -40 to +70 °C
  • Battery type: 2 × CR2032 lithium cells
  • Battery life: Approx. 1 year (15-minute cycle at +25 °C)
  • Protection class: IP20
  • Dimensions: 60 × 38 × 18.5 mm
  • Weight: 35 g
  • Housing material: Plastic
  • Testo 174 H BT Mini Data Logger
  • 2 × CR2032 lithium batteries
  • Wall-mounting bracket
  • User documentation

Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.