Alpha Scintillator Detector - Model 43-136
CE Seal
Specifications

INDICATED USE: alpha contamination survey
SCINTILLATOR MATERIAL: ZnS(Ag)
EFFICIENCY (4π): 20%–239Pu
WINDOW: 0.8 mg/cm² aluminized Mylar (1.2 mg/cm² recommended for outdoor use)
WINDOW AREA: active: 65.3 cm² (10.1 in²)
PROTECTIVE SCREEN (87.5% OPEN):  0.51 mm (0.020 in.) stainless steel wire mesh, 6.4 mm (0.25 in.) square. Open area is approximately 57.9 cm² (8.9 in²).
OPTIONAL SCREEN (65.6% OPEN): 0.51 mm (0.020 in.) thick stainless steel square hole, 6.4 mm (0.25 in.). Open area is approximately 57.9 cm² (8.9 in²). (Part No. 7393-242)
SCREEN OUTER DIMENSIONS: 14.0 x 4.6 cm (5.5 x 1.8 in.) (L x W)
RESPONSE UNIFORMITY: less than 10% from average reading
TYPICAL BACKGROUND: 3 cpm or less
PHOTOMULTIPLIER TUBE: 2.9 cm (1.125 in.) diameter, 9-stage (Part 01-5238)
OPERATING VOLTAGE: typically 500–1200 volts (1500 volts maximum)
CONSTRUCTION: aluminum with beige powder coating
TEMPERATURE RANGE: -20 to 50 °C (-4 to 122 °F)
CONNECTOR: series “C”, unless specified otherwise
SIZE: 8.8 x 6.9 x 29.6 cm (3.46 x 2.7 x 11.66 in.) (H x W x L)
WEIGHT: 0.43 kg (0.95 lb)