TM

0

1000

2000

3000

4000

5000

0 8 16 24 32 40 48 56

Rado

n Co

ncen

trat

ion

[Bq/

m3 ]

Time [h]

RS001000021

Ref. monitor 1

Ref. monitor 2

(test carried out at the National Institute of Ionizing Radiation Metrology, INMRI-ENEA)

®

Free to breathe

www.rsens.it

Via Vignolese 905, 41125 Modena (MO) - ITALY tel +39 059 2056262 | fax +39 059 2056262 | email info@rsens.it

RStone™ is the new innovative Radon gas sensor, which combines professional performance and extreme ease of use. Portable, small-size, battery-powered and easily programmable, to make measuring indoor

Radon simple and immediate.

the new Radon gas sensor

Linear response over the measuring range (up to 5 MBq/m3)

Measurements scheduling through display or PC*

Data export to a PC and report generation*

Rechargeable battery (15 days of battery life during measurement)

6% accuracy after 48 hours (at 150 Bq/m3)

Remote monitoring of sensors connected in a network**

*requires RKey™ USB device, sold separately**requires the implementation of a sensor network based on the RCloud™ system

TM

the new Radon gas sensor

RSens srl | Via Vignolese 905/b - 41125 Modena (MO) - ITALY | Via Segantini 23 – 38122, Trento (TN) – ITALY VAT N° 02197570225 | phone +39 059 2056262 | fax +39 059 205 6262 | mail info@rsens.it | web www.rsens.it

TECHNICAL SHEET

General External supply voltage input 100-240 VAC, 50-60 Hz

RStone voltage input 10 V, 1400 mA

Temperature (storage and working) 0°C – 40°C

Relative humidity (storage and working) 0% – 95% RH

Battery life 15 days typ.

Storage capacity 100 measurements of 1 year each

Dimensions 16x16x11 cm

Weight 1.8 kg

Radon concentration measurement Measuring range 0 Bq/m3 … 5 MBq/m3

Sensitivity 5 count/h @ 100 Bq/m3

Uncertainty 20% after 4 h @ 150 Bq/m3 or after 1 h @ 500 Bq/m3 (coverage factor k=1)

Blank count rate (null Radon concentration) 0.05 count/h (1.2 Bq/m3)

Update rate 60 minutes

Alert threshold 200 Bq/m3 (ref. Eur. Recc. 90/143/Euratom)

Other data Temperature full-scale range -40°C … +125°C

Temperature resolution 0.04°C

Temperature accuracy ± 0.3°C typ.

Pressure full-scale range 50 kPa … 115 kPa

Pressure resolution 0.15 kPa typ.

Pressure accuracy ± 1 kPa typ.

Relative humidity full-scale range 0% RH … 100% RH

Relative humidity resolution 0.7% RH

Relative humidity accuracy ± 2% RH typ.

Radio module Frequency 2433 MHz nominal

Data rate 250 kbaud max.

Channel bandwidth 200 kHz

Maximum output power 0 dBm

Modulation MSK

Battery Type Rechargeable Li-Ion

Voltage 7.2 V

Capacity 10 Ah

Charge mode CC-CV

Charge current 1100 mA max.

Charge time 10 h typ.