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Model 43-2-2
Alpha-Beta Detector
Part Number: 47-2003
Specifications
Suggested Instruments
Options
Documents
Replacement Parts
Specifications
Suggested Instruments
Options
Documents
Replacement Parts
Specifications
Indicated Use
Alpha-beta survey
Detector Type
ZnS(Ag) scintillator adhered to 0.03 cm (0.01 in) thick plastic scintillator
Window
1.2 mg/cm
2
Window Area
Active:
9.7 cm
2
(1.5 in
2
)
Open:
9.7 cm
2
(1.5 in
2
)
Efficiency (4π)
239
Pu:
25%
90
Sr/
90
Y:
20%
14
C:
5%
Typical Background
(10 µR/hr field)
Alpha:
≤ 3 cpm
Beta:
≤ 50 cpm
Cross Talk
Alpha to Beta:
< 10%
Beta to Alpha:
< 1%
Detector Uniformity
within 10% of average reading
Photomultiplier Tube
3.8 cm (1.5 in) diameter
Operating Voltage
500 to 1200 V (typical)
Connector
Series "C" (others available)
Construction
Aluminum housing with beige powder coat
Size (D x L)
5.1 x 18.5 cm (2 x 7.3 in)
Weight
0.5 kg (1 lb)
Suggested Instruments
Model
Description
Part Number
Model 3002
Digital Survey Meter
For alpha-beta counting
Stores up to 1000 data points
48-4037
Model 2224-1
Analog Scaler-Ratemeter with Digital LCD
Simultaneous alpha-beta counting
48-2679
Model 2360
Analog Datalogging Meter with Digital Scaler LCD
Simultaneous alpha-beta measurements
Stores 550 data points
48-2872
Options
Option
Description
Part Number
Model 180-1
Sample holder for 5.1 cm (2 in.) max. diameter samples.
47-1675
Model 180-9
Lead shielded sample holder for 5.1 cm (2 in.) max. diameter samples.
47-1591
Documents
Data Sheet
Manual
CE Certificate
Replacement Parts
Description
Part Number
Mylar Window
40-4375
Scintillator
4002-321
1.5 in. PMT, Non-Based with Voltage Divider
4002-510
Red Protective Cap
03-5475
Related Products
Model 43-1-1
Model 43-89
Model 43-93
Model 43-147
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