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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 gas monitor EQF 3200

DESCRIPTION

The EQF 3200 is the ideal monitor to evaluate the actual radon situation on site. It is equipped with instrument grade semiconductor radiation detectors in the radon chamber and the sampling head, allowing for a perfect separation and unparalalled resolution in the measurements of the different decay products of radon and thoron. Its measurement chamber works following the principle of high-tension separation, so it is immune to humidity changes and cross-sensitivity becaose of ambient radiation.

The fine pored membrane filter of the newly developed sampling head is exchangeable without any tool. The reinforced filter is used in combination with an automatically controlled rotary vane pump that guarantees a constant air flow through the filter. A sensor measures permanently the air pressure over the filter in order to recognize instantly an exhausted or perforated filter.

The EQF 3200 is equipped with a big touch-screen, showing the measured values, a 2 GB memory card and USB interface. Data transmission and device control can be done by radio modems, as well as via ZigBee adapter (short range wireless network). A NaI detector to fix the local gamma dose is an optional feature of the device. The EQF 3200 comes with additional input and output terminals to connect sensors and actuators according to client-specific needs.

FEATURES

Features

  • Determination of activity concentrations and equilibrium factor of radon, thoron and their derivatives.
  • Processor-controlled rotary vane pump
  • Outstanding sensitivity and perfect separation of the individual decay products using alpha spectroscopy, therefore long-term contamination by 210 Pb is excluded
  • No desiccant cartridge required
  • Storage of the complete alpha spectrum for each measured value
  • Pptional gamma probe (NaJ detector)
  • Numerous customer-specific additional sensors available (GPS module, water ingress protection)
  • DAkkS-accredited calibration according to DIN EN ISO/IEC 17025:2018

Specifications:

  • Detector type: 4 x 200mm² Si-detector with HV-chambers
  • Internal volume: 250mm² (total volume of the internal air loop)
  • Range: 1 … 10 000 000 Bq/m³
  • Accuracy: <=5%
  • Sensitivity: 3 / 6.5 cpm/(kBq/m³) for fast / slow mode
  • Response time: 15 / 120 min for fast / slow mode
  • Results/ Analysis:
    • radon concentration fast (excl. 214Po) and slow (incl. 214Po)
    • thoron concentration
    • storage of record related spectra and time distribution
  • Data storage: SD Card, 2 GByte
  • Operation / display: touchscreen, 6 x 9 cm
  • Interfaces: USB, RS232, optional LTE-modem and other
  • 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 cy-cles (also via Net Monitors)
    • dLIBRARY: Nuclid library for optional NaJ gamma probe
  • Extensions available at internal connectors: 8 analogous inputs, 3 counter inputs, 2 status inputs, 6 switch outputs, clock switch, PID regulator/analogous output
  • Environmental conditions:
    • 0…40 °C
    • 0…95 % rH, non-condensing
    • 800…1100 mbar
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Application

Environmental measurements

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