testo 174 H - Mini data logger for temperature and humidity with USB-C and PC Software
> Professional software with Excel export function for programming the logger and for data analysis, as well as for creating reports in PDF format
> Wide temperature measuring range from -20 °C to +70 °C
> Secure automatic data backup when the battery is empty or during a battery change
> Convenient measurement data storage for up to 16,000 readings
The testo 174 H mini data logger is the ideal solution for commissioning, inspection and maintenance of all HVAC/R systems. With a measuring range of -20 °C to +70 °C, simple operation and professional analysis software, it offers precise and reliable control.
Internal Reference :
0572 1741 02Description
The testo 174 H is the perfect data logger for temperature and humidity, designed for the efficient commissioning, inspection, and maintenance of HVAC/R systems. It is an essential climate data logger for professionals who need to perform accurate fault diagnosis or long-term monitoring of indoor climates in offices, warehouses, or sensitive archives.
This digital data logger reliably records environmental conditions within a temperature range of -20 °C to +70 °C and serves as a high-precision RH data logger for moisture tracking. It features a clear display for current values and limit violations while storing up to 16,000 readings in its internal memory. As a complete data logger with software support, it provides the accurate documentation required to meet industry standards and legal compliance.
Programming and analysis with the temperature and humidity data logger
To ensure you get the most out of your measurements, you can choose between two software versions to program your device and analyze the data on a PC:
- ComSoft Basic software – Available as a free download, this allows for quick programming of your climate data logger and simple data evaluation.
- ComSoft Professional software – Available as an optional extra, this version offers advanced options for a more detailed analysis of your temperature and RH data logger readings.
With the ability to perform Excel exports and generate PDF reports, this data logger with software makes professional documentation convenient and fast.
Caution: To ensure seamless performance, please download the latest version of the software from the download section before using your digital data logger for the first time.
Delivery Scope
testo 174 H mini temperature data logger including wall bracket, battery (2 x CR2032 lithium), USB 2.0 data transfer cable and test report.
Frequently Asked Questions
The testo 174 H uses high-accuracy internal sensors to monitor ambient conditions. It is a dual-purpose digital data logger that provides stable, long-term measurements, making it ideal for HVAC inspections and sensitive storage monitoring.
Yes. This climate data logger can store up to 16,000 readings and features a battery life of approximately 1 year (at a 15-minute measuring cycle), allowing for consistent, long-term tracking of indoor environments.
As a professional RH data logger, the testo 174 H allows you to download and analyze humidity and temperature data via a USB interface. You can view current values and any limit violations directly on the large digital display.
Yes, it is a comprehensive data logger with software support. You can download the ComSoft Basic software for free to program the logger, analyze your data, and create professional PDF reports or Excel exports.
Absolutely. This digital data logger is perfect for HVAC technicians who need to identify climate fluctuations or troubleshoot system performance by recording precise temp and humidity cycles over time.
The internal memory ensures that your data is safe. Even if the battery is depleted or being replaced, the recorded values in this data logger for temperature and humidity remain stored and ready for download.
| Parameters | |
|---|---|
| Measuring range | -20 to +70 °C |
| Accuracy | ±0.5 °C (-20 to +70 °C) |
| Resolution | 0.1 °C |
| General technical data | |
| Weight | 35 g |
| Dimensions | 60 x 38 x 18.5 mm |
| Operating temperature | -20 to +70 °C |
| Product-/housing material | Plastic |
| Protection class | IP20 |
| Channels | 2 internal |
| Product colour | Black |
| Measuring Rate | 1 min - 24 h |
| Battery Life | 1 year (15 min measuring cycle, +25 °C) |
| Battery type | 2 x 3V button cell (CR 2032) |
| Memory | 16.000 measuring values |
| Standards | 2011/65/EU; EU-guideline 2014/30/EU |
| Storage temperature | -40 to +70 °C |
| Brand | Testo SE & Co. KGaA |
| Calibration | |
| Resolution Calibration | 0.1 |
| Resolution Calibration RH | 0.1 |
| Object | Temperature and Humidity Data Logger |
| Measuring procedure | TME/CP002 |
| Humidity - Capacitive | |
| Measuring range humidity | 0 to 100 %RH |
| Accuracy Humidity | ±3 %RH (2 to +98 %RH) at +25 °C ±0.03 %RH/K ±1 Digit |
| Resolution Humidity | 0.1 %RH |