Liquid scintillation counter (26 Oct 1976) (Engineering Materials). [40 drawings]
Drawings are given for a portable liquid scintillation counting system for tritium analysis. The system, including batteries, is housed in a weather-resistant carrying case. A tritium sensitivity of 90 nCi/l is obtained with two RCA 8575 photomultipliers in coincidence. The sample handling mechanism uses standard vials, and it is not necessary to remove high voltage when changing samples. When the liquid scintillation system is not in use, a G.M. pancake probe, sharing the electronics, is available either with a holder for swipe counting or for external monitoring. Space is also available for a box to hold standards and samples and, incidentally, to prop up the carrying case lid in the vertical operating position. The system includes two single-channel analyzers, a choice of manual timing or a preset timer 0.1 to 80 min using a crystal-controlled time base, and a light-emitting diode readout.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore Lab.
- OSTI ID:
- 5341569
- Report Number(s):
- CAPE-2557
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420800 -- Engineering-- Electronic Circuits & Devices-- (-1989)
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFIERS
DESIGN
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
LIQUID SCINTILLATION DETECTORS
MEASURING INSTRUMENTS
POWER SUPPLIES
PREAMPLIFIERS
PULSE ANALYZERS
RADIATION DETECTORS
SCINTILLATION COUNTERS
TIMING CIRCUITS