The Testo 174H Mini Temperature & Humidity Data Logger can be used to monitor and record temperature and relative humidity. It has a temperature range of -20°C to +70°C and a relative humidity range of 0 to 100%. This two-channel, compact data logger is able to measure temperatures to an accuracy of ±0.5°C and relative humidity to an accuracy of ±3%. It has the capacity to store up to 16 000 measurements.
This environmental data logger features a capacitive Testo humidity sensor with long-term stability and an NTC temperature sensor, providing consistently reliable measurements. The Testo 174H Mini Temperature & Humidity Data Logger enables the user to adhere to quality assurance guidelines.
Up-to-the-moment temperature or relative humidity readings can be viewed via the Testo 174H Mini Temperature & Humidity Data Logger’s large display. Via the screen, the user can also see measurements that breach acceptable limits.
Measurements recorded to the Testo 174H Mini Temperature & Humidity Data Logger are retained even when the battery has expired or is being replaced, ensuring high data security.
This temperature and humidity data logger is supplied with a USB interface and cable enabling the transfer of measurements from the Testo 174H Mini Temperature & Humidity Data Logger to a PC or laptop with a compatible Testo software program installed. This interface and compatible Testo software are also required to configure the Testo 174H Mini Temperature & Humidity Data Logger.
The Testo 174H Mini Temperature & Humidity Data Logger is compatible with the following software programs:
The Testo 174H Mini Temperature & Humidity Data Logger is ideal for monitoring rooms, containers, fridges or freezers containing perishable goods, such as food, drugs, vaccines, metal parts, archive media and exhibits, making it particularly useful in warehouses, hospitals and museums. Additionally, business owners, homeowners, and landlords may find the Testo 174H Mini Temperature & Humidity Data Logger useful for assessing air quality, comfort levels, ventilation, and building moisture.
Temperature - NTC | |
Measuring range | -20 to +70 °C |
Accuracy | ±0.5 °C (-20 to +70 °C) |
Resolution | 0.1 °C |
Humidity - Capacitive | |
Measuring range | 0 to +100 %RH* |
Accuracy | ±3 %RH (2 to +98 %RH) at +25 °C |
±0.03 %RH/K ±1 Digit | |
Resolution | 0.1 %RH |
Note | * Not for condensing atmospheres. |
General Technical Data | |
Weight | 34 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 |
Standards | 2011/65/EU; EU-guideline 2014/30/EU |
Measuring rate | 1 min - 24 h |
Battery type | 2 x 3V button cell (CR 2032) |
Battery life | 1 year (15 min measuring cycle, +25 °C) |
Memory | 16,000 measuring values |
Storage temperature | -40 to +70 °C |