TFA Dostmann 30.3039.IT Hygrologg Pro Temperature and Humidity Data Logger with USB

The TFA Dostmann 30.3039.IT Hygrologg Pro is a professional temperature and humidity data logger designed for precise monitoring and recording of environmental conditions. With its high accuracy sensors and large data memory, it is ideal for applications in laboratories, warehouses, greenhouses, and HVAC systems. The device features a clear LCD display, adjustable logging intervals, and USB connectivity for easy data transfer and analysis via Windows PC software.

Advantages

High measurement accuracy of ±0.5°C for temperature and ±3% RH for humidity ensures reliable data. The data logger can store up to 50,000 records with adjustable intervals from 1 second to 24 hours, providing flexibility for various monitoring needs. Visual and acoustic alarms alert users when preset limits are exceeded. The device is powered by two AAA batteries with a battery life of approximately one year at a 15-minute logging interval, making it low-maintenance and cost-effective.

Suitable for

• Monitoring temperature and humidity in storage facilities, museums, and archives
• Environmental monitoring in greenhouses and agricultural settings
• HVAC system performance verification and troubleshooting
• Quality control in pharmaceutical and food industries
• Research and laboratory applications requiring precise data logging

Key specifications

• Measurement parameters: Temperature, Relative Humidity, Dew Point
• Internal temperature range: -30 to +70 °C (-22 to +158 °F)
• Internal humidity range: 0 to 99 %RH
• Temperature accuracy: ±0.5 °C (at 0 to +50 °C), otherwise ±1 °C
• Humidity accuracy: ±3 %RH (at 20 to 90 %RH), otherwise ±5 %RH
• Data memory: 50,000 data records
• Logging interval: Adjustable from 1 second to 24 hours
• Display type: LCD
• PC interface: USB
• Software compatibility: Windows PC software for analysis and configuration
• Power source: 2 x AAA 1.5V batteries
• Battery life: Approx. 1 year (at 15 min interval)
• Alarm functions: Visual and acoustic (for T/RH limits)
• Calculated values: Dew Point
• Mounting options: Wall mount, desktop stand
• Protection class: IP20
• Included accessories: USB cable, PC software, batteries, instruction manual

Recommendations

For optimal performance, use high-quality alkaline batteries and place the logger in a representative location. Regularly download data to avoid memory overflow. Calibration check recommended annually.