Bertin AlphaGUARD

Radon monitor using alpha spectroscopy

Bertin AlphaGUARD – radon monitor using alpha spectroscopy from Bertin Technologies. Weight including battery: 6.2 kg.

Weight including battery
6.2 kg1
Datasheet

Specifications checked against the manufacturer’s documents on 2026-10-16

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

Overview

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

Chamber volume0.62 L1

Measuring range

Radon range2–2,000,000 Bq/m³ (depending on product version)2
Detector sensitivity5 cpm at 100 Bq/m³1

Cooling

Storage capacityUp to 60,000 measurement points1

Power & battery

Autonomy10 days in diffusion mode; 40 days with external battery1

Mechanical

Listed dimensions329 × 355 × 123 mm1

Environment & ratings

Additional sensorsTemperature, relative humidity and atmospheric pressure1

Ordering & accessories

Weight including battery6.2 kg1

General

Measurement purposeContinuous radon measurement with a pulse-counting ionization chamber1
Measurement principle3D alpha spectroscopy and current mode1
Listed calibration error3 %1
Data managementDataVIEW1

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

Documents

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. 1
    Publisher: Bertin TechnologiesProduct page Technology tab; Datasheet tab (specifications); Product description Checked 2026-10-16
  2. 2
    Publisher: Bertin TechnologiesBrochure p. 2, 'Technical features' Checked 2026-10-16
AlphaE
Bertin

AlphaE

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

Detector type
Diffusion chamber with silicon diode
Measurement range
20 Bq/m³–10 MBq/m³
Weight
165 g
16 referenced values
Alpha S
Bertin

Alpha S

Portable radon monitor for air, soil and water

Detector type
Pulse ionisation chamber, 0.2 L
Measurement range
Up to 200,000 Bq/m³ (5.4 nCi/L)
Weight
<5.7 kg
12 referenced values
RCP
Bertin

RCP

Radiation portal monitor for pedestrian access control

Detector type
PVT plastic scintillator with large-diameter, low-noise PMT
Energy range
30 keV–5 MeV
10 referenced values
RCCL
Bertin

RCCL

Radiation portal monitor for small containers, luggage and parcels

Detector type
PVT plastic scintillator with large-diameter, low-noise PMT
Energy range
30 keV–5 MeV
8 referenced values
Contact us

Questions about this product?

We help you choose the right configuration, detector and accessories for your measurement task.