Domestic Radiation Monitor

Domestic Radiation Monitor

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Description

The DRM is used for domestic purposes: to monitor the radiation purity of the surrounding area, provided that its detecting unit is located on the facade of the house, as well as residential premises, buildings and structures, if its detecting unit is located inside the building.

Purpose of Use

  • The DRM is designed for continuous monitoring of the radiation gamma background in the environment by measuring the ambient dose equivalent rate (DER) of gamma radiation, as well as for sound and light signaling in case of an increase in the level of radiation above the established threshold levels.

Branches of Use

Features

  • Due to the built-in WiFi unit and special software for a home computer, the DRM can be used to construct an independent radiation monitoring network.

  • The DRM provides for setting two threshold levels of sound and light alarm in the range from 0.01 μSv/h to 9.99 mSv/h with a resolution of 0.01 μSv/h. If the threshold levels are exceeded, it is accompanied by an alarm with different sounds for each threshold and a change in the color of the display backlight from white to red.

  • The built-in temperature sensor in the BDBG-20 detecting unit makes it possible to measure the ambient temperature at its location.

Specifications

Specification Unit of measure Standardized values according to specifications
1 Measurement range of gamma radiation DER μSv/hour 0.01 – 104
2 Main relative permissible error limit of gamma radiation DER measurement at 137Cs calibration with confidence probability of 0.95 % 15+2/H*(10), where H*(10) – is a numeric value of gamma radiation DER, equivalent to μSv/hour
3 Energy range of detected gamma radiation MeV 0.05 – 3.00
4 Energy dependence of the detecting unit’s measurement results during gamma radiation DER measurement in the energy range of 0.05 MeV to 1.25 MeV % ±25
5 Ingress protection rating of:

  • – the detecting unit
  • – the control unit
IP67
IP20
6 Dimensions of the detecting unit:

  • – hermetic housing without fasteners
  • – length of the connecting cable
 

mm
m

27 × 27 × 165
3
7 Weight of the detecting unit (with the connecting cable) without fasteners, not more than kg 0.4
8 Operating temperature range of:

  • – the detecting unit
  • – the control unit
°С from –25 to +55,
from 0 to +50
9 Supply voltage of the control unit (USB Type C) V 5
10 Useful current, not more than А 1
11 Dimensions of the control unit, not more than mm 68×130×20
12 Weight of the control unit without fasteners, not more than kg 0.15
13 Supported WiFi networks 802.11 b/g/n

Delivery kit

  • DRM control unit
  • BDBG-20 detecting unit of gamma radiation
  • power adapter (the model is not specified)
  • operating Manual
  • installation kit for attaching the DRM control unit and the detecting unit to the wall
  • packing box
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