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Location
Calle Valdemorillo, 50 28925 Alcorcón Madrid, Spain
Phone
+34 916 466 267
Email
info@helgeson.es

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Radon/Thoron monitor RPM 2200

DESCRIPTION

The RPM 2200 is a high-quality and modern radon progeny monitor. It contains a newly- developed sampling head with exchangable membrane filter an automatically controlled rotary vane pump, pressure sensors located over the filter, and light-protected silicium detector with a sensitive area of 400 mm². This allows it to have an optimal spectral resolution to separate the individual radon decay products.

The analysis is carried out continuously, (disposition of the decay products and determination of the activity of the collected decay products is made simultaneously), and it issues the equilibrium equivalent concentration (EEC), the potential alpha energy concentration (PAEC) and the working level for radon and thoron decay products.

The RPM 2200 disposes of a big touch-screen, showing the measured values. All measured data is stored on a 2 GB memory card and is accessible from a PC or laptop through a USB interface. Data transmission and device control can be done by mobile broadband modems, as well as via ZigBee adapter (short range wireless network).

FEATURES

Features

  • Determination of radon / thoron equivalent equilibrium concentration (EECRn & EECTh)
  • Processor-controlled rotary vane pump for constant air flow
  • 400mm² light protected silicon detector
  • Optimum spectroscopic resolution for separating the individual radon progenies
  • Touchscreen operation
  • A full alpha spectrum for each measurement point
  • Remote data transmission and device control
  • Optional gamma probe (NaI)
  • Factory calibration

Specifications:

  • Detector type: 400mm² ion-implanted silicon detector, alpha 0-10 MeV
  • Filter: fabric reinforced membrane filter, d=25,4 mm, 1 μm pore size
  • Pump: rotary vane type 3 l/min, processor controlled
  • Measurement range: 0 … 1 MBq/m³ (EEC)
  • Sensitivity: approx. 1000 cpm/(kBq/m³) (EEC)
  • Response time: 120 min
  • Results / Analysis:
    • determination EEC, PAEC for both, radon and thoron
    • storage of record related spectra and time distribution of thoron value is calculated by differentiation of the 212 Po over time, so that an excellent time resolution can be achieved.
  • Sampling: simultaneous measurement with all detectors/sensors with respect to the selected sampling cycle
  • Sampling cycles:
    • storage of up to 16 different sampling cycles with up to 32 steps (pre-defined or infinite repetition)
    • interval 1 Second to several weeks
  • Data storage: SD Card, 2 GByte
  • Operation / Display: touchscreen, 6 x 9 cm
  • Interfaces: USB, RS232
  • Power supply: 12 V NiMH-rec. battery (>100 h continuously), mains adapter 100-240V ~50/60Hz, 1,8A
  • Software:
    • dVISION: control and data transfer, visualization, data management
    • dCONFIG: system configuration, creating / changing cycles (also via Net Monitors)
    • dLIBRARY: Nuclid library for NaJ gamma probe (option)
  • Dimensions/weight: 235 mm x 140 mm x 255 mm / 6 kg
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Application

Environmental measurements

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