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Data Sheet | Instruction Manual
Testo 174 H BT Black Mini Temperature and Humidity Data Logger with Bluetooth
The Testo 174 H BT black mini climate data logger is a compact, professional dual-channel measurement instrument engineered for autonomous temperature and humidity monitoring. Equipped with integrated high-stability Bluetooth connectivity, the logger securely streams real-time environmental data directly to the free testo Smart App from a distance of up to 30 meters. Featuring a standalone non-volatile internal data storage capacity of 16,000 reading pairs, it protects valuable recording series against loss during battery updates. The black hardware housing incorporates a highly detailed NTC thermistor and a long-life capacitive humidity sensor, making it a reliable diagnostic layout for supply chain mapping and HVAC/R system profiling.
Industrial & Logistics Applications
- HVAC/R System Diagnostics: Efficient commissioning, inspection, and maintenance of heating, ventilation, and air conditioning equipment via continuous climate tracking.
- HACCP Food & Pharma Storage: Continuous climate validation for moisture and temperature-sensitive goods in distribution hubs.
- Building Climate Control Audits: Seamless long-term tracking of relative humidity levels and heat fluctuations inside public archives, galleries, and office areas.
Technical Characteristics
| Sensor Elements Interface | 2 internal input channels: NTC thermistor and capacitive humidity sensor |
| Temperature Measuring Range | -20 to +70 °C reach |
| Humidity Measuring Range | 0 to 100 %RH spectrum (not for condensing atmospheres) |
| Core Temperature Accuracy | ±0.5 °C (-20 to +70 °C) with 0.1 °C display resolution scaling |
| Core Humidity Accuracy | ±3 %RH within the range from 2 to 98 %RH; ±0.03 %RH/K stability |
| Internal Reading Memory Buffer | Standalone memory block registering up to 16,000 measurement pairs |
| Wireless Synchronization Path | Integrated Bluetooth connection with operational tracking up to 30 m away |
| Official Quality Norms | Fully certified according to HACCP International guidelines |
| Power Supply Autonomy | 2x Lithium CR2032 cells providing a 1-year field lifecycle (15 min intervals) |
| Housing Material Profile | Robust plastic framework matching IP20 protection limits; color: black; dimensions: 60 x 38 x 18.5 mm; weight 35 g |
Package Contents
- Testo 174 H BT black dual-channel mini digital logger module
- Wall bracket assembly support fixture
- 2x Lithium CR2032 batteries and factory validation documentation