TFA 30.3249 Temperature and Humidity Sensor

Monitor your environment with confidence using the TFA 30.3249, a dependable wireless temperature and humidity sensor designed for homes, greenhouses, workshops and remote rooms. It delivers real‑time climate readings on a clear display, communicates wirelessly to a compatible TFA base station, and installs in minutes with wall‑mount or freestanding options. Built for everyday reliability with a splash‑resistant housing and multi‑channel capability, it is the practical choice when you need accurate data and simple, hassle‑free operation.

Key Benefits and Applications

• Reliable wireless monitoring — Place the sensor where it matters and receive stable readings at your base station, ideal for outdoor spots, utility rooms or storage areas.
• Instant visibility — The integrated display shows current temperature and relative humidity at a glance, so you can act immediately to improve comfort or protect valuables.
• Made for indoor and outdoor use — A splash‑resistant design supports sheltered outdoor placement and demanding indoor locations like basements, garages or attics.
• Flexible multi‑room setups — Three selectable channels let you run several sensors with one compatible TFA receiver to compare climates across different zones.
• Easy, tool‑light installation — Mount on a wall or stand it on a shelf to start monitoring quickly without complicated wiring or configuration.
• Energy‑efficient operation — Runs on standard AA batteries, keeping maintenance simple and cost‑effective over time.
• Smart prevention and control — Track humidity to help prevent mould growth and optimise heating or ventilation for healthier, more efficient spaces.

Featured technical specifications

• Measuring ranges — Temperature from −40 °C to +60 °C and relative humidity from 10 % rH to 99 % rH for broad, year‑round coverage.
• Measurement accuracy — Temperature accuracy of ±1 °C from 0 °C to +50 °C otherwise ±1.5 °C. Humidity accuracy of ±5 % rH at 25 °C within 31 % to 84 % rH for dependable decision‑making.
• Wireless performance — 433 MHz transmission with a maximum line‑of‑sight range of 100 m to reach from garden, garage or remote rooms to your base station.
• Channel selection — Three selectable channels to operate multiple sensors without interference on the same system.
• Display and alerts — LCD shows live temperature and humidity plus a low‑battery indicator to prompt timely battery changes.
• Power — Two AA 1.5 V batteries required, not included. Alkaline batteries are recommended for optimal runtime.
• Mounting options — Ready for wall mounting or freestanding placement to suit your space.
• Environmental protection — Splash‑resistant housing for shaded, dry outdoor locations and robust indoor use.
• Dimensions and weight — Housing dimensions 48 × 26 × 129 mm. Weight 62 g.
• System compatibility — Works as a transmitter for compatible TFA wireless thermo‑hygrometers and weather stations. A base station is required and sold separately.

Why this sensor is the perfect choice for you

Pair the TFA 30.3249 with your compatible receiver and buy with confidence at Stratosens.com. You will get a carefully curated instrument, clear SI‑unit specifications for Europe, and guidance from specialists who understand precision measurement. Whether you are safeguarding collections, fine‑tuning indoor comfort or tracking outdoor conditions, Stratosens.com helps you select the right setup, expand with additional sensors when needed and keep your monitoring system running reliably over time.