Active Radon Detectors


Top
Top
SKU:
12-010
Review:

The RadonEye RD200 has been our bestseller for many years - a high-precision radon measuring device for private use that enables the fastest and most reliable measurements of indoor radon concentrations.

   

  • Fastest measurement
  • Highest accuracy
  • Real-time monitoring
  • Smartphone connectivity
  • Easy handling

Manufacturer according to GPSR
FTLab
189,00 € *
Delivery time: 2 - 3 Workdays
Top rated
Top rated
SKU:
12-020
Review:

The Corentium Home from Airthings is a user-friendly, battery-operated radon meter for domestic use that enables quick and precise measurements of the radon concentration indoors.

   

  • Measuring range: 0 - 9999 Bq/m³
  • Display of daily, weekly and annual average values
  • High-quality LCD display
  • Insensitive to sources of interference
  • Simple operation

Manufacturer according to GPSR
Airthings
149,00 € *
Delivery time: 2 - 3 Workdays
Out of stock
Out of stock
SKU:
12-251
HAN:
AE000782
Review:

The AlphaE from Bertin is a compact, professional hand-held device for fast and time-resolved radon monitoring in buildings, outdoors and in mines.

   

  • Measuring range: 20 Bq/m³ to 10,000,000 Bq/m³
  • Light and small, ideal for personal radon exposure measurements
  • Battery-powered with a battery life of up to 6 months
  • Stores measurement data for up to 6 months at 1-hour measurement intervals
  • Fast and accurate measurements, 80% of the final value after 2 hours

Manufacturer according to GPSR
Bertin
1.636,25 € *
In stock
In stock
SKU:
12-23x
Variations in:
  • Version

The Radon Scout Professional from SARAD is a highly sensitive radon measuring device that is suitable for both short and long-term measurements indoors.

   

  • Measuring range: 0 - 1,000,000 Bq/m³
  • Integrated sensors for temperature and humidity
  • Optional CO₂ or pressure sensor available
  • Battery and mains operation possible
  • Professional ‘Radon Vision’ analysis software included

Manufacturer according to GPSR
Sarad
2.033,00 € - 2.229,00 € *
SKU:
AR166
Variations in:
  • Version

The Smart Radon Sensor from SARAD is a highly accurate electronic instrument designed for continuous monitoring of Radon activity concentrations in various environments.

   

  • Very high sensitivity
  • Immune to environmental influences
  • Versatile interfaces
  • Battery operated
  • DAkkS accredited calibration

Manufacturer according to GPSR
Sarad
1.648,00 € - 1.891,00 € *
Delivery time: 12 - 13 Workdays
Top rated
Top rated
SKU:
12-0xx
Variations in:
  • Version
Review:

The Radon Scout Home from SARAD is a reliable device for long-term monitoring of indoor radon concentrations, ideal for homeowners, tenants and landlords.

   

  • Measures radon, temperature and humidity
  • Time-resolved measurement with data recording
  • USB interface for easy data transfer
  • Optionally available with CO₂ or pressure sensor
  • Incl. professional analysis software ‘Radon Vision’

Manufacturer according to GPSR
Sarad
582,00 € - 759,00 € *

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Active Radon Monitors: Digital radon testing with trends, export, app, Wi-Fi & Bluetooth

If you want to measure radon clearly, continuously, and with time-resolved data, an active radon monitor is the right choice. Active devices run on electricity (plug-in or battery), show readings on a display or in an app, and allow you to track radon levels over hours, days, and weeks—often with data export for documentation and deeper analysis. (radonshop.com)

Because radon levels fluctuate significantly (weather, ventilation, pressure differences), active monitoring gives you the real advantage: you can see when levels rise, which rooms are affected, and whether actions (ventilation, sealing, mitigation) actually work.


Who should use an active radon monitor?

Active radon detectors are especially useful for:

  • Homeowners & tenants who want quick clarity and plan to test multiple rooms

  • Families monitoring living and sleeping areas

  • Property buyers looking for practical insight before purchasing

  • Landlords & facility managers who need traceable documentation

  • Schools, kindergartens, public buildings where transparency matters

  • Building biologists, inspectors & engineers who rely on exports and professional evaluation (radonshop.com)


Our bestseller: RadonEye (RD200) – fast, accurate, user-friendly

The RadonEye RD200 is one of the most popular choices for residential radon monitoring. It delivers fast indications, is excellent for room-to-room testing, and is easy to use via smartphone app. (radonshop.com)

Why customers love it:

  • quick first insight while still suitable for longer monitoring

  • app-based history and trends

  • widely used, proven device with strong real-world track record (radonshop.com)

(Important: Even if a device provides quick readings, meaningful decisions usually require several days or weeks of data due to radon variability.) (radonshop.com)


What you’ll find in this category

RadonShop.com intentionally offers a broad range—from easy home monitors to professional instrumentation. (radonshop.com)

1) Home monitors (simple, digital, fast)
Great for apartments/houses, basements, living rooms—often with display and/or app connectivity. Examples listed in this category include RadonEye, Airthings Corentium Home / Home 2, Ecosense EcoQube / EcoBlu. (radonshop.com)

2) Monitoring & trend-focused devices (export & long-term tracking)
Ideal if you want to log, compare and document (after mitigation, with ventilation systems, or across multiple rooms/buildings). Many devices support app/software analysis and exports. (radonshop.com)

3) Professional radon instruments (inspection, building biology, engineering)
For advanced requirements, detailed datasets, and specialized applications—e.g., solutions by SARAD and Bertin among others listed in the category. (radonshop.com)


Why “time-resolved” measurement matters

Radon is rarely stable. Active monitoring typically provides:

  • current readings (depending on device, shorter intervals)

  • averages (e.g., 24h, 7-day, long-term since reset)

  • peak / maximum indications (device-dependent)

This helps you identify patterns such as:

  • “levels rise at night / when windows stay closed”

  • “basement is high, ground floor is fine”

  • “after sealing, the baseline drops measurably”

  • “certain weather conditions push radon indoors”

That transparency is the key advantage over passive testing. (radonshop.com)


Data export, app, Wi-Fi, Bluetooth — what do you actually need?

Common buyer question: “Which features matter most?”

  • On-device display: best for quick checks without a phone

  • App connection (Bluetooth/Wi-Fi): great for trends and convenience

  • Export (CSV/software): essential for documentation (reports, compliance, mitigation verification) (radonshop.com)

If your goal is “just check if radon is an issue,” a solid home monitor may be enough. If you want to prove, compare, and document, export and software features are a must.


FAQ — quick answers

How fast do I get first results?
Many active devices provide quick indications, but reliable conclusions should use several days/weeks of data. (radonshop.com)

Where should I place the device?
Use the most occupied rooms, especially near ground level. Avoid drafts, windows, and strong heat sources. For source-finding: compare rooms under similar conditions. (radonshop.com)

How many monitors do I need?
Often one device is enough if you test rooms sequentially. For permanent monitoring in multiple locations (e.g., basement + bedroom), two devices can make sense.

Can I rent instead of buying?
Yes—RadonShop also offers a radon monitor rental option. (radonshop.com)