LB 9140 – Alpha/Beta Moving Filter Monitor
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Huolto & Korjaukset Tarjouspyyntö
LB 9140 is a measurement system for measuring airborne alpha and beta emitters in air. It can handle airflows up to 3.3 m³/h. The measurement system is built up in modules;
Dust collection unit 9140µ
Silicon detector 600 mm² for alpha-beta measurement
Housing – made of aluminum with IP68 degree of protection. Plexiglas door allows visual inspection of the filter on the feed coil
The filter feed – with stepper motor, adjustable filter feed
Pump – The nominal flow is 3 m³/h with a noise level of max. 60 dB(A) at 1m. Flow meter is optional
Data logger LB 5340
- Pseudo coincidence board ABPD
- Multi I/O board
- 8 fold Relay board
Optional: Guard detector with gamma compensation
Tietolomake
Ota yhteyttä
Göran Jonsson
- Myynti - Säteilymittaus
- Puhelin: +46 (0)18-566820
- Matkapuhelin: +46 (0)70-6220407
- goran.jonsson@gammadata.se
Tekniset tiedot
Detector: Si-detector, 600 mm²
Energy range: Alpha from 2,5 MeV, Beta from 100 keV
Detector shielding: 20 mm
Background betachannel from gamma: < 0.4 cps per µSv/h Cs-137 radiation front, < 0.2 cps per µSv/h radiation back
Power: 230V
Datalogger: LB 5340
Flow rate: 3,3 m³/h
Radon compensation: Yes
Filter: 300 x 300 x 530 mm³ (W x D x H)
Filter deposition area: 25 x 25 mm
Filter type: Glas fibre Particulates, N° 10, roll 12 m x 50 mm, core Ø25 mm
Filter speed: selectable 5/10/12.5/15 mm/h
Filter life span: > 3 months at 5 mm/h speed
Temp: -20 to +40°C
Weight: 43 kg
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