Low cost × high precision. A temperature and humidity logger chosen for its cost performance.
Just place it down and it's ready to go. A palm-sized mini temperature and humidity data logger!
The testo 174 series is suitable for managing products sensitive to temperature and humidity, developing, testing, and maintaining HVACR systems, as well as monitoring and logging work environments. It is available in two types: a Bluetooth version that can connect to a mobile app and a USB version that can connect to PC software. 【Bluetooth Version】 By using the free mobile app "testo Smart," you can configure the data logger and read data. The retrieved data can be exported as PDF reports and in CSV format within the app, making it easier to comply with digital documentation. Additionally, even in the event of a battery failure, it automatically saves the data measured up to that point, providing high reliability. 【USB Version】 The USB-C compatible testo 174 mini data logger features a USB (Type C) port on the main unit, allowing for easy data retrieval via a USB Type C cable after measurements are completed. The free software displays measurement values in graph/table format and allows for PDF report creation and Excel export.
basic information
【Features】 ■ Built-in sensor type ■ Upper and lower limit threshold display ■ Lightweight and compact ■ Status display (Rec/End/Wait) ■ Maximum/Minimum value/Threshold deviation display ■ Display of remaining recordable days 【Specifications】 ■ Measurement range: -20 to +70℃ / 0 to 100%RH ■ Resolution: 0.1℃ / 0.1%RH ■ Accuracy: ±0.5℃ / ±3% (at +25℃) ■ Memory: 16,000 data ■ Recording interval: 1 minute to 24 hours
Price range
P2
Delivery Time
OTHER
Applications/Examples of results
For more details, please download the PDF or feel free to contact us.
Line up（4）
| Model number | overview |
|---|---|
| 0572 1743 02 | testo 174 H BT (Black) - Temperature and Humidity Data Logger (Bluetooth) |
| 0572 1741 02 | testo 174 H (Black) - Temperature and Humidity Data Logger (USB) |
| 0572 1743 01 | testo 174 H BT (White) - Temperature and Humidity Data Logger (Bluetooth) |
| 0572 1741 01 | testo 174 H (White) - Temperature and Humidity Data Logger (USB) |
catalog（3）
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News about this product（2）
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Notice of Participation in "Interfex Tokyo"
The Pharmaceutical and Cosmetic Manufacturing Exhibition is the largest international exhibition in Japan for the pharmaceutical and cosmetic manufacturing sector, featuring 900 companies from both domestic and international markets and attracting 34,000 attendees. A wide range of products and services supporting the pharmaceutical and cosmetic manufacturing processes will be showcased, including manufacturing and packaging, plant engineering, CMO/CDMO, measurement and inspection, sterilization and cleaning, logistics and distribution. We will be waiting for you with a wide selection of environmental monitoring systems, including testo Saveris 1 and data loggers.
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Notice of Participation in the 35th Food Industry Creation Exhibition
We will be exhibiting at the "Food Industry Creation Exhibition '25" scheduled to be held from May 14 (Wednesday) to May 16 (Friday) at Marine Messe Fukuoka. We will showcase measuring instruments ideal for food quality and hygiene management, such as fryer oil deterioration testers and food thermometers. Our instruments can connect to the mobile app testo Smart, allowing you to save measurement values in the app and document them in PDF format, supporting the efficiency of daily fryer oil and temperature management tasks!
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Distributors
Testo SE & Co. KGaA is a German global company with 37 local subsidiaries and affiliated companies worldwide, and it forms a network of agents in other regions. Since its establishment in 1957, it has focused on the research and development of portable environmental measuring instruments, releasing products that meet market needs. By proposing high-precision environmental measuring instruments and data management solutions, it has received high acclaim in a wide range of fields, including energy conservation, safety management, environmental protection, and food & healthcare. In Japan, it not only sells measuring instruments but also has established service centers to provide prompt maintenance and the issuance of calibration certificates.