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Kolga Model A380-J Top Opening High Performance Low Background Lead Shield

Kolga Model A380-J

Kolga Model A380-J
15 cm Top Opening
High Performance Low Background Lead Shield
for HPGE Detectors


The Kolga Model A380-J is a 15 cm (6 inch) high performance low background copper/tin-lined lead shield for J Style Germanium Detectors (HPGE). The A380-J shield is made from certified DOE Run virgin low background lead. The graded liner is designed to suppress lead x-rays and consists of a 1 mm (0.040 in.) tin layer covered by a 1.5 mm (0.06 in.) oxygen-free copper layer. The top opening lead shield is a full 15 cm (6 inch) to provide the best possible shielding for low background analysis. The shield includes an adjustable detector stand to accommodate a variety of detectors from different manufacturers. The A380-J exterior is coated with durable epoxy paint. All copper components are coated with a clear polyurethane sealer to prevent corrosion.


•Overall: Height: 686mm (27in) Diameter 559 mm (22.0 in.)

•Cavity: Diameter 229 mm (9 in.) Height: 356mm (14in)

•Outer Jacket: 9.5 mm (3/8 in.) thick low carbon steel

•Shield: 152.4 mm (6 in.) thick DOERUN certified low background lead

•Graded Lining: 1 mm (0.04 in.) tin and 1.5 mm (0.06 in.) oxygen free copper

•Weight: 1818kgs (4000lbs)

•Overall Tolerances ±6mm (1/4 in)

•Finish: Light Gray Epoxy Paint

•All Lead fully encapsulated in metal

View/Download Product Spec Sheet (pdf))

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