The Testo 174 T mini data loggers provide accurate and reliable data with a broad measuring range from -30°C to +70°C. They have a large storage capacity that can hold up to 16,000 measured values. Ideal for temperature monitoring in HVAC/R systems, indoor climate control, and fault diagnostics.
The Bluetooth version (Testo 174 T BT) allows effortless operation via the Testo Smart App on iOS and Android devices. View measurements, create PDF and Excel reports, add photos or comments, and email results directly from a smartphone or tablet. Read on-site data readout from distances up to 30 metres.
The USB-C version (Testo 174 T) uses the free ComSoft Basic software. It simplifies setup and data analysis with functions like Excel export and PDF reporting.
174 T | 174 T BT | |
---|---|---|
Sensor type | Digital | |
Measuring range | -22 to 158 °F (-30 to +70 °C) | |
Accuracy ±1 digit | ±0.9 °F (-22 to 158 °F) (±0.5 °C (-30 to +70 °C)) | |
Resolution | 0.1 °F / °C | |
Channels | 1 x internal | |
Battery type | 2 Lithium batteries (CR2032) | |
Battery life | 500 days (15 min. measuring cycle, 77 °F (+25 °C)) | |
Operating temperature | -22 to 158 °F (-30 to +70 °C) | |
Storage temperature | -40 to 158 °F (-40 to +70 °C) | |
Dimensions | 2.4 x 1.5 x 0.7 in (60 x 38 x 18.5 mm) | |
Weight | 1.2 oz (35 g) | |
Certification | EN12830 | |
Protection class | IP65 | |
Measuring cycle | 1 min to 24 h | |
Memory | 16,000 readings | |
Connection/connector | USB 2.0 / USB C | Bluetooth |
Software | Testo ComSoft Basic Testo ComSoft Professional |
Testo Smart App |
Logger configuration | ✔ | |
Measurement data evaluation | ✔ | |
Reporting | ✔ | ✔ (only possible after registration) |
Measurement data export | PDF / XLS / HTML / CSV | PDF / CSV / JSN |