Temperature/Humidity Sensor TFA-Dostmann 30.3301.02

The TFA-Dostmann 30.3301.02 is a freestanding wireless temperature and humidity sensor designed for use with the WeatherHub gateway (sold separately). It runs on a single AAA 1.5 V alkaline battery, is CE certified and has compact dimensions (39 x 33 x 92 mm). The sensor transmits measured values at 868 MHz and stores up to 90 days of data for remote review on a smartphone.

Advantages

This wireless temperature/humidity sensor provides continuous monitoring of indoor conditions with adjustable alarm limits and push notifications to your smartphone when thresholds are exceeded. Its compact, battery-powered design allows flexible placement in refrigerators, freezers, aquariums, pools or ponds (for ambient monitoring), homes and offices. Data memory for up to 90 days and 868 MHz transmission ensure reliable recording and remote access when paired with the WeatherHub gateway.

Suitable for

• Monitoring refrigerator and freezer temperature
• Tracking room humidity and temperature in homes and offices
• Environmental monitoring for aquariums and garden ponds (ambient measurements)
• Remote condition checks via smartphone when connected to WeatherHub

Key specifications

• Model: TFA-Dostmann 30.3301.02
• Functions: wireless temperature and humidity measurement
• Power supply: 1 × AAA alkaline battery (1.5 V)
• Transmission frequency: 868 MHz
• Data memory: up to 90 days
• Dimensions (W × D × H): 39 × 33 × 92 mm
• Certifications: CE
• Requires: WeatherHub gateway (sold separately)

How to use

Insert one AAA 1.5 V alkaline battery, place the sensor in the desired location and pair it with the WeatherHub gateway following the gateway’s pairing instructions. Configure alarm limits and push notification settings in the WeatherHub app on your smartphone. The sensor will transmit temperature and humidity readings at 868 MHz and store up to 90 days of measurements for later review in the app.

Usage recommendations

Place the sensor away from direct heat sources or drafts for accurate ambient readings. For monitoring inside refrigerators or freezers, position the sensor where it will not contact moisture directly. Ensure the WeatherHub gateway is within radio range and replace the AAA battery when battery status in the app indicates low power.