FLM3 Floor Monitors
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  FLM3 Floor Monitors


The FLM3 Floor Monitor is suitable for monitoring large areas and surfaces for radioactive material. It is ideal for rapid, sensitive monitoring of controlled areas, truck beds, entrance rugs and similar applications.

   Product Detail


These consist of a Delta 5 ratemeter and a ruggedized 600 cm2 scintillation probe, supplied in alpha, beta and alpha/beta versions.
  • Highly mobile, lightweight assembly
  • Rapid, sensitive monitoring
  • Has background subtract, alarm settings and integrate mode
  • Steel roller balls for smooth floors fitted as standard
  • Ranges: 0.1 - 100,000 cps or 1 - 1,000,000 cpm.
  • Optional AE0119A Wheel Kit, for rough surfaces and outdoor use (illustrated)
     
 Nuclide efficiency
FLM3A
(Alpha)
FLM3B
(Beta)
FLM3D
(Alpha + Beta)
241Am
28%
 -
28%
60Co
-
19%
12%
90Sr/90Y
-
42%
36%
Background
< 0.2 cps
28 cps
alpha: <0.2 cps
beta: 20 cps
1 µSv/h gamma
-
250 cps
180 cps

 

Alpha and beta efficiencies are 2 pi percentages of certified reference source emissions.
Gamma efficiency is measured in a 137Cs field.
 FLM3 Floor Monitors
 PRODUCT# Price  Detects  
       
 FLM3A      -    Alpha   SELECT  
 FLM3B      -    Beta   SELECT  
 FLM3D      -    Alpha & Beta   SELECT  
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Specifications:
Ranges :0.1 - 100,000 cps or 1 - 1,000,000 cpm
FLM3A :Detects Alpha
FLM3B :Detects Beta
FLM3D :Alpha & Beta
Window Area :30 cm x 20 cm
Window Thickness :1.2 mg.cm^-2
Am241 (?) Efficiencies (% surface emission counted hem a 150 mm x 100 mm source) :31% (FLM3A); 28% (FLM3D)
CI36 (?) Efficiencies (% surface emission counted hem a 150 mm x 100 mm source) :36% (FLM3B); 31% (FLM3D)
Sr90/Y90 (?) Efficiencies (% surface emission counted hem a 150 mm x 100 mm source) :42% (FLM3B); 36 % (FLM3D)
Co60 (?/?) Efficiencies (% surface emission counted hem a 150 mm x 100 mm source) :19% (FLM3B); 12% (FLM3D)
? Responses :250 cps/µSv/h (FLM3B); 180 cps/µSv/h (FLM3D)
? Channel Background :<0.1 cps (FLM3A); <0.1 cps (FLM3D)
? Channel Background :28 cps (FLM3B); 20 cps (FLM3D)
Grill :Hex mesh, 80% transmission