AlphaE

Ultra-small radon meter for concentration, personal exposure and dose

Professional handheld radon meter for fast, time-resolved monitoring in buildings, outdoors and in mines. It is small and light enough to survey personal radon exposure and doses at workplaces, and the battery lasts up to six months. Typically 80% of the final result is reached after two hours.

Detector type: Diffusion chamber with silicon diode1
Measurement range: 20 Bq/m³–10 MBq/m³1
Weight: 165 g1

Download product sheet (PDF)All values with references – for tender documents

Specifications checked against the manufacturer’s documents on 2026-10-17

Manufacturer’s product page (opens in a new tab)

Overview

Nuclear power & nuclear technology Defence, security & preparedness Emergency services & first response Environmental monitoring & radiation protection Industry & quality control

Key features

Measures below 100 Bq/m³ as recommended by the WHO
Belt bag or wall mounting
DataVIEW Light and DataVIEW PRO software as accessories

Specifications

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Detector

Detector type	Diffusion chamber with silicon diode1
Additional sensors	Air temperature, humidity and pressure, tamper detection1

Measuring range

Measurement range	20 Bq/m³–10 MBq/m³1
Detector sensitivity	3 cph at 100 Bq/m³1
Response time	Typically 80% of the final result after 2 hours (faster for higher values)1

Connectivity & interface

Data storage	8,500 data sets (approx. 6–4,250 days depending on measuring cycle)1
Communication	USB (cable incl. charging unit)1
Display	6-digit LCD + 5-digit alphanumeric, backlight1

Power & battery

Battery life	Up to 6 months, rechargeable via USB; permanent operation via USB possible1

Mechanical

Dimensions	108 × 68 × 30 mm1
Weight	165 g1
Housing material	Aluminium1

Ordering & accessories

Accessories	Suitcase, wall support, dust protection, radon-permeable silicone bag, belt pouch and DataVIEW Light and DataVIEW PRO software1

General

Calibrator error	10%1
Measurement cycle	Adjustable from 1 min to 12 h1
Dose calculation	With user-settable factors for equilibrium and dose conversion1

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Sources

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

1
AlphaE – Ultra-Small radon monitor
Publisher: Bertin TechnologiesProduct page Product page – Datasheet tab; Product page – Datasheet tab; Benefit tab; Product page; Product page; Datasheet tab … Checked 2026-10-16