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Movable filter α/β aerosol activity monitor BAI 9100 D-BAI 9100D
Movable filter α/β aerosol activity monitor BAI 9100 D-Berthold Japan Co., Ltd.

Movable filter α/β aerosol activity monitor BAI 9100 D
Berthold Japan Co., Ltd.

Berthold Japan Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

48.0hours


About This Product

The BAI 9100 D continuously monitors alpha and beta radioactive aerosols in the exhaust air or in the environment. The dust collection unit allows rapid β, α-β and γ measurements. The β or αβ detector is mounted above the dust collection area and measures directly while collecting the sample for quick evaluation. Sample air is drawn through a glass fiber filter via a flat nozzle. The filter tape is wound onto a slotted capstan drive where the sample air is drawn in, ensuring smooth advancement and uniform dust collection without filter damage. The dust collection and detector unit are wrapped around with a 4π lead shield. This results in lower intrinsic background and lower sensitivity to ambient radiation. (Not enough to compensate for the effect) The large dust collection area and high flow rate of 25 m³/h result in low detection limits. As an option, we can offer delayed measurement to measure filter radiation 120 hours (5 days) after dust collection. The results virtually eliminate the effects of radon progeny, resulting in a detection limit of less than 1 mBq/m³ for artificial beta radioactivity.

■Summary

・Evaluate radiation without delay ・Lead shield on the back side of the detector unit and dusting surface ・The wide filter belt allows for high air throughput of 25 m³/cm, allowing for highly sensitive detection.

■Features

・Filter feed can be set continuously or in stages ・Detector is located directly above the dusting surface and measures radiation without delay in evaluation ・The dusting surface and detector unit are shielded with a lead shield with 4π geometry.

■Features 2

- Optionally, the detector can be equipped to measure after up to 120 hours (5 days), allowing automatic detection of artificial beta radioactivity concentrations below 1 mBq/m³ ・Can be optionally combined with an iodine and/or noble gas monitor in the same 19-inch cabinet

  • Product

    Movable filter α/β aerosol activity monitor BAI 9100 D

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1 Models of Movable filter α/β aerosol activity monitor BAI 9100 D

Image Part Number Price (excluding tax) Mobile filter dust collection area Moving filter measurement range Mobile filter flow rate Moving filter Filter feed Detection limit Continuous filter speed Peripheral interface current output Peripheral interface current input Peripheral Interface Interface Pump unit flow rate Pump unit pump Filter cassette material Filter cassette structural shape
Movable filter α/β aerosol activity monitor BAI 9100 D-Part Number-BAI 9100D

BAI 9100D

Available upon quote

4π lead shield

< 1 mBq/m³

25 m³/h

Continuous, stage

10 mm/h (according to DIN 25482)

0/4-20mA LIN/LOG

0/4-20 mA

RS232/V24 or other

25 m³/h

Suitable up to 45°C
Equipped with a maintenance-free lateral blower pump

Side & Back Plate: Aluminum, Front: Plexiglass Cover

19 inch cassette, IP68

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About Company Handling This Product

Response Rate

100.0%


Response Time

48.0hrs

  • Japan

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