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Dosimeter (β and γ) LDSM-A10

Dosimeter (β and γ) LDSM-A10

Dosimeter (β and γ) LDSM-A10 features Ore containing materials for radioactive detection and Cobalt source for electronic accelerator irradiation place radiation detection with Energy ranges of X and Gamma radiation up to 40 KeV to 3.0 MeV and Beta radiation up to 0.5 to 3.0 MeV. Automatic failure detection function, measures gamma and beta radiation dose rate from the background to extra levels with digital LCD backlight display for specifies units of measurement with low battery indication, measurement errors, surface soft and hard beta-particles flux density, threshold level and real time. Magnifying tube has quick detection and localization of gamma and beta radiation sources within seconds and Built-in gamma, beta sensitive Geiger-Muller counter.

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Temperature Range -20°С to +50°С
Measurement Ranges dose equivalent rate (137 Cs): 0.01 μ Sv/h to 10 m Sv/h
dose equivalent (137 Cs): 0.01 u Sv to 9999 Sv
Energy Ranges X and Gamma radiation: 40 KeV to 3.0 MeV
Beta radiation: 0.5 to 3.0 MeV
Display Unit Dose rate: µ Sv/h, m Sv/h, Sv/h automatic conversion
Dose: µ Sv, m Sv, Sv automatic conversion
Detector GM counter
Energy dependence ≤ ± 25 %(relative to 137 Cs)
Relative errors  ≤ ± 10 %(in 20 u Sv/h)
Dose rate and dose alarm threshold value full range can be adjusted
Protective alarm response time not more than 3 seconds (in 10 uSv/h)
Sensitivity 2000 CPM /(mR/h)
Humidity ≤ 85% RH
Power One AAA battery
Dimension 125 × 55 × 26 mm
Weight 120 g 
  • Ore and Cobalt source materials
  • One AAA battery with operating temperature up to -20 °С to +50° С
  • Built-in gamma, beta sensitive Geiger-Muller counter
  • Programmable voice and dose rate alarm with cumulative dose alarm threshold, light and vibration alarm way response within seconds
  • Dose rate and cumulative dose measurement function at the same time
  • Automatic setting of measurement intervals and ranges with automatic save dose value and automatic failure detection function
  • Battery voltage and low battery indication

Dosimeter has been widely used in nuclear facilities around environmental radiation detection,  soil surface and agricultural radiation pollution detection, radioactive radiation (beta and gamma) detection and radiation medical treatment places for radiation detection. Also it finds application in ore building materials field for detection of radioactive material and Cobalt source for electronic accelerator irradiation place radiation detection.

Compare Models

Model Temperature Range Measurement Ranges Energy Ranges Display Unit Detector Energy dependence Relative errors  Dose rate and dose alarm threshold value Protective alarm response time Sensitivity Humidity Power Dimension Weight
LDSM-B10 40 °C to 50°C Counting rate: 0 to 500000 CPM, 0 to 8000 CPS
Radiation dose rate: 0.01 to 10000 u Sv/h
25 KeV to 7 MeV CPM, CPS, Bq/cm2 , μ Gy/h ,μ Sv/h Pancake GM tube. Φ : 45 mm - - - - 3500 CPM/ mR /h(according to Cs-137) ≤ 85% RH Two AA size battery - -
LDSM-A10 -20°С to +50°С dose equivalent rate (137 Cs): 0.01 μ Sv/h to 10 m Sv/h
dose equivalent (137 Cs): 0.01 u Sv to 9999 Sv
X and Gamma radiation: 40 KeV to 3.0 MeV
Beta radiation: 0.5 to 3.0 MeV
Dose rate: µ Sv/h, m Sv/h, Sv/h automatic conversion
Dose: µ Sv, m Sv, Sv automatic conversion
GM counter ≤ ± 25 %(relative to 137 Cs) ≤ ± 10 %(in 20 u Sv/h) full range can be adjusted not more than 3 seconds (in 10 uSv/h) 2000 CPM /(mR/h) ≤ 85% RH One AAA battery 125 × 55 × 26 mm 120 g 

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