Model 133 Series Gamma Detector
Ludlum Measurements, Inc.
Page 4
February 2018
Specifications
INPUT SENSITIVITY:
30 mV +10 mV
DEAD TIME:
typically 50 microseconds
TUBE:
30 mg/cm2 stainless steel (Halogen quench) GM
SIZE:
Model 133-3, 133-4, 133-6, 133-7:
2.2 x 10.2 cm
(
0.88 x 4 in.) (Dia x L)
Model 133-2, 133-2-1, 133-4-1, 133-6-1, 133-7-1:
2.5 x 10.2 cm (1 x 4 in.) (Dia x L)
TEMPERATURE RANGE:
-20 to 50 °C (-4 to 122 °F)
WEIGHT:
0.090 kg (0.20 lb)
CONNECTOR:
series “C,” unless a waterproof detector. Other
connectors are available upon request.
Model #
133-2 &
133-2-1
133-3 &
133-3-1
133-4 &
133-4-1
133-6 &
133-6-1
133-7 &
133-7-1
Recommended
Operating
Voltage
550 V
550 V
550 V
550 V
460 V
Energy
Response
(60 keV-3 MeV)
within 25%
within 25%
within 15%
within 15%
within 15%
Sensitivity
(
137
Cs Gamma)
1000
cpm/mR/hr
450
cpm/mR/hr
100
cpm/mR/hr
18
cpm/mR/hr
4.2
cpm/mR/hr
Background
12 cpm
6 cpm
1 cpm
1 cpm or less
1 cpm
Содержание 133-2
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