TFA Dostmann lämpötila- ja kosteusdataloggeri USB-liitännällä, 50 000 mittausarvoa, -40...+70 °C, 0,1 °C erottelukyky (311.054)

Monitoring temperature and relative humidity over time is essential in storage, transport, and laboratory environments, but manual readings are impractical and error-prone. This data logger from TFA Dostmann automatically records both parameters at adjustable intervals, providing reliable documentation for quality assurance and compliance.

Who is it for

Facility managers, laboratory technicians, and logistics professionals who need continuous environmental monitoring with data export for analysis or reporting.

Main features

• Measures temperature from -40 to +70 °C with 0.1 °C resolution and relative humidity from 0 to 99 % RH with 0.1 % RH resolution.
• Stores 50,000 data sets: 25,000 for temperature and 25,000 for humidity.
• Adjustable logging interval from 10 seconds to 24 hours.
• USB interface for connection to a PC; included software allows programming and data export as CSV or PDF.
• LCD display shows current values, minimum/maximum readings, and alarm status.
• Visual and acoustic alarm when high or low limits are exceeded.
• Calculates dew point and heat index.
• Wall mountable or can stand on a table.
• Powered by 2 AAA batteries with approximately 1 year battery life at 15-minute interval.

Specifications

• Temperature range: -40 to +70 °C
• Temperature accuracy: ±0.5 °C (0 to +50 °C), otherwise ±0.7 °C
• Humidity range: 0 to 99 % RH
• Humidity accuracy: ±3 % RH (20 to 90 % RH), otherwise ±5 % RH
• Memory: 50,000 data sets
• Logging interval: 10 seconds to 24 hours
• Interface: USB
• Power: 2x 1.5V AAA batteries
• Battery life: approx. 1 year (at 15 min interval)
• Display: LCD
• Alarm: visual and acoustic
• Additional functions: dew point calculation, heat index
• Mounting: wall mount or table stand

Tips

For long-term monitoring, set the logging interval to 15 minutes or longer to maximize battery life. Use the included software to configure alarm thresholds and generate PDF reports for documentation.