Ludlum Model 43-44 Alpha DetectorIndicated Use Alpha survey Detector Type Air proportional Window 0. 4 mg cm2 aluminized mylar Window Area Active: 76 cm2 (11. 8 in2) Open: 50 cm2 (7. 8 in2) Efficiency (4) 239Pu: 8% Operating Voltage Altitude sensitive Sea Level: 2050 V 610 m (2000 ft): 2000 V 1524 m (5000 ft): 1925 V 2134 m (7000 ft): 1875 V Counter Threshold Setting 1. 5 to 2 mV (typical) Working Environment Desiccant vented chamber for outdoor use Size (H x W x L) 10. 2 x 6. 4 x

Molded ABS plastic

Includes Sleeve for Weather Protection

TECHNICAL SPECIFICATIONS

See the photos and the small coaxial connection under the handle

INDICATED USE: general purpose survey

Range: Time

and logged data on an 8-line by 15-character display

We warranty them to meet ANSI N322-1977

7 g) display

We have SMARTPAC's for MHV

More than 1 mGy ∕ h

The positions containing detectors may be keyed in beforehand to save processing time