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LB 761 Alpha/Beta counter for 200 mm Planchets

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  • Simultaneous α and β
  • planchets up to Ø 200 mm
  • PC software AMS (Activity measurement system for measurement and data acquisition)
  • Very low background guaranteed by 10 cm lead shielding on all sides
  • Service-friendly

Low-level activity meter LB 761 is intended for 200 mm planchets with simultaneous alpha and beta measurement. The background of the system is low and very good detection limits are achieved. The measurement system can consist of several detectors (number depends on available slots and USB interface), whose measurement results are calculated and presented in the AMS software.

For users with many samples and different sample sizes, a hybrid version is available together with the LB 790.

Contact

Göran Jonsson

Göran

Technical specification

External dimensions: 60 x 60 x 27 cm
Weight (with lead shielding): 1000 kg
Material detector module: electrolytic copper
Material guard counter: electrolytic copper
Power supply electronics: LB 5330
Counting gas: ArCH4 (90/10) or ArCO2 (82/18) / ArCO2 (90/10)
Typical background: < 0.1 cpm (Alpha), < 15 cpm (Beta)
Operating temperature: 0°C to 50°C
Relative humidity: 10 to 80%, no condensing
Ingress protection: IP 50

Accessories;

18648 – Lead 100 mm for LB 761 incl. special bricks
6057 – LB 7650, Planchet 200x12mm LB 761, 100 each, tin plate
50107 – Planchet 200x12mm LB 761, one each, stainless steel, rolled rim
68014 – Planchet 200x12mm LB 761, one each, stainless steel, flat rim


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