Eberline ESP-1 - Page 94

Model LEG-1
Low-Energy Gamma Probe
A. GENERAL DESCRIPTION
The LEG-1 is a gamma scintillation probe for detection
of low-energy gamma and x-rays. It is designed for the
detection of "31 and other low-energy gamma emitters.
B. SPECIFICATIONS
Crystal: l-inch-diameter х 0.04-inch-thick with
0.001-inch window (2.54-cm-diameter x 1-mm-thick
Nal(T)) scintillation crystal with a 0.025-mm aluminum
` window). The total window thickness of the probe, in-
cluding the housing, is 0.011 inch (0.28 mm) aluminum
or 75.4 mg/cm?.
Sensitive Area: 0.79 in? (5.1 cm?)
Photomultiplier Tube: t-inch-diameter (2.54 ст),
1t-dynode with S11 response. The PM tube is enclosed
in a magnetic shield.
Maximum Voltage: 1500 V
Operating Voltage: Variable depending upon applica-
tion.
Current Requirement: Divider string is approximately
110 MQ, using 10 uA at 1100 V.
Dimensions: 1.65 inches in diameter x 7.9 inches long
(4.2 cm x 20 cm).
Weight: 12 ounces (340 g)
Connector: Eberline CJ-1 which mates with Eberline
CP-1. Cable must be specified.
C. AVAILABLE ACCESSORIES
Cable: CA-12-60
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