Doc. # 5016
BM-185D/285D/286D
Rev. A
Operation and Service Manual
1.3 BM-285D/286D
SPECIFICATIONS
Input Power:
100-240Vac, 50-60 Hz, 6A
Detectors 285:
Two 12" x 19" x 1.5" (30.5cm x 48.2cm x 3.8cm) plus four 12" x
25" x 1.5" (30.5cm x 63.5cm x 3.8cm) plastic scintillation detectors
coupled to photo-multiplier tubes via light pipes.
Detectors 286:
Two 12" x 24" x 1.5" (30.5cm x 60.9cm x 3.8cm) plus four 12" x
35" x 1.5" (30.5cm x 88.9cm x 3.8cm) plastic scintillation detectors
coupled to photo-multiplier tubes via light pipes. Total detector volume is
3,384 in
3
(55 liters)
Optional Detector:
One 3" x 3" NaI(Tl)
Sensitivity:
See Acceptance Data
Scan Time:
1 to 50,000 seconds, user-programmable
Background Time:
20 to 10,000 seconds, user-programmable
Sample Weight 285: 5 to 500lb (2.3 to 230kg)
Sample Weight 286: 5 to 1,000lb (2.3 to 455kg)
Serviceability:
May be repaired to the board/subassembly level in the field
Unit Weight 285:
10,000lb (4,545kg) with 1 3/4" lead shielding
Unit Weight 286:
12,000lb (5,455kg) with 1 3/4" lead shielding
Dimensions 285:
61" high x 40" wide x 44" deep (154.9cm x 101.6cm x 110cm)
Dimensions 286:
74" high x 44" wide x 45" deep (188cm x 110cm x 114.3cm)
Internal Cavity 285: 31" high x 24" wide x 27" deep (78.7cm x 60.9cm x 68.5cm)
Internal Cavity 286: 44" high x 28" wide x 28" deep (110cm x 70cm x 70cm)
Temperature Range: Operating:
32 to 100°F (0 to 40°C)
Storage:
0 to 120° F
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