Produkter » Radioaktivitetsmåling » Håndinstrumenter » Kontaminering » LB 124 Scint-300

LB 124 Scint-300

Artikkelnr.: 48002

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  • Samtidig måling av alfa og beta/gamma
  • Høy følsomhet med jevn respons over detektoroverflaten
  • Ingen gass = mindre og enklere vedlikehold
  • Bredt temperaturområde
  • Kalibreringsfaktorer for overflateaktivitet for omtrent 50 isotoper
  • Justerbare alarmnivåer

LB 124 Scint-300 kontamineringsmonitor er et fleksibelt instrument for strålebeskyttelsesmåling av stråletyper. Instrumentet har en scintillerende ZnS-detektor med en tydelig designet reflektor som gir jevn respons og et stort area på 345 cm².

I likhet med lillebroren, fungerer LB 124 med forskjellige valgbare måle-modus som "Rate Meter", "Scaler-Timer", "Survey", "Clearance" og "Halflife".

Radiation detected: Alpha, Beta, Gamma
Detector ZnS:Ag scintillator
Measurement modes: ratemeter, scaler-timer, search, clearance and halflife
Dimensions detector: 150 mm × 230 mm
Sensitive area: 345 cm²
Entrance window: 6 µm metallized plastics
Thickness: 0.4 mg/cm²
Protective mesh: 80 % Transmission
Alarm: Acoustic with adjustable alarm thresholds
Data memory: 1000 measured values with date & time
Communication: Serial port RS232
External dimensions: 178 × 260 × 150 mm (width × lenght x height)
Weight: 1750 g (with batteries)
Power supply 3 × C size batteries. Alkaline/Ni-MH rechargeable
Battery life:  50 h
Temperature range: -20 °C to +40 °C (operation), -40 °C to +60 °C (storage)
Relative humidity: 0 % to 80 % (without condensation)
Protection class: IP 53
Efficiency (related to the activity of a source with an area of 100 cm2)
   C-14 = 12 % (βγ-channel)
   Cl-36 = 44 % (βγ-channel)
   Co-60 = 29 % (βγ-channel)
   Cs-137 = 44 % (βγ-channel)
   Pu-239 = 18 % (α-channel)
   Am-241 = 22 % (α-channel)
Typical background: α = 0.1 cps, βγ = 15 cps
Gamma sensitivity:  α-channel = no, βγ = @ 1 µSv/h (Cs-137) < 100 cps
Spill over: < 20 % (α to βγ-channel with Po-210)
                  < 2 × 10E-5 (βγ to α-channel with Sr-90)
Measuring range: 0 to 5.000 cps (α-channel), 
                                0 to 50.000 cps (βγ-channel)
Surface response: ± 20 %

The instrument is used to measure radioactive alpha and beta-gamma contaminations on surfaces such as floors, walls, desks, objects, clothing or skin in the following markets

  • nuclear medicine
  • research
  • nuclear power plants
  • decommissioning of nuclear facilities
  • disposal of nuclear waste
  • environmental monitoring