Brochure for the LB 9140 Moving Filter Monitor
PDF | 641.2 KB
Download nowMonitoring concept
The particulates monitor LB 9140 is used to measure airborne Alpha-/Beta particulates in the presence of naturally occurring (Radon) activity and fluctuating gamma backgrounds.
The portable monitor consists of following main building blocks:
The filter advance is driven by a stepper motor unit, which allows continuous advancement of the filter tape at user selectable speeds (5/10/12.5 and 15 mm/h). Alternatively the filter can be advanced in step wise mode with user selectable time intervals.
Filtercasette | |
Structural shape | 300 x 300 x 530 mm³ (W x D x H) |
Dust collection area | 25 x 25 mm² |
Construction material | alum side & back plate, Plexiglas cover front |
Filter | |
Type | glass fiber particulates filter to DIN Whatman N° 10 roll 12 m x 50 mm, Core 25 mm diameter |
Autonomy | > 3 months at 5 mm/h speed |
Pump Unit | |
Pump | low maintenance (> 10.000 h) silent operation (< 60 dB(A) at 1 m) pump head max. -440 mbar typical operating -160 mbar |
Flow rate | typical 3.3 m³/h at NTP |
Electronics | |
Type | data logger LB 5340 (Refer to LB 5340 Flyer) |
Brochure for the LB 9140 Moving Filter Monitor
PDF | 641.2 KB
Download nowBrochure for the LB 9140 Moving Filter Monitor
PDF | 641.2 KB
Download now
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Legal
Berthold Technologies GmbH & Co.KG
Calmbacher Str. 22
75323 Bad Wildbad
Tel.: (+49) 7081 177 0
Fax: (+49) 7081 177 100
info@berthold.com