TFA Dostmann LOG20 Temperature and Humidity Data Logger 5005-0002

Monitoring temperature and humidity in storage rooms, cold chains, or laboratories often requires a reliable, unattended recording solution. The TFA Dostmann LOG20 data logger addresses this need by capturing both parameters over extended periods, with a large memory and long battery life.

Who is it for

This logger suits facility managers, quality assurance staff, and researchers who need to document environmental conditions without frequent manual checks. Its IP65 rating and wall-mount bracket make it suitable for warehouses, greenhouses, and server rooms.

Main features

• Measures temperature from -30 to +60 °C and relative humidity from 0 to 100 % RH.
• Stores 20,000 data points (10,000 per channel).
• Adjustable logging interval from 10 seconds to 24 hours.
• USB interface for configuration and data download.
• Visual LED alarm for out-of-range conditions.
• Battery life up to 2 years at 15-minute intervals.
• IP65 dust and water jet protection.

Specifications

• Temperature accuracy: ±0.5 °C (0 to +50 °C), otherwise ±1.0 °C.
• Humidity accuracy: ±3 % RH (20 to 90 % RH), otherwise ±5 % RH.
• Resolution: 0.1 °C and 0.1 % RH.
• Sensor types: internal NTC for temperature, capacitive for humidity.
• Power: 1x 3.6 V lithium battery (1/2 AA, LS14250).
• Software: Windows compatible for configuration and analysis.
• Data export: PDF, Excel, CSV.
• Mounting: wall mount bracket included.

Tips

Place the logger away from direct sunlight and heat sources to ensure accurate readings. Use the software to set alarm thresholds and export reports for compliance documentation.