Para Plastic Scintillator Monitor Model PSAM-1

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PSAM1

Model PSAM-1 – Plastic Scintillator based Area Monitor
(Ideal for metal fabricators for material inspection)
(Preliminary Information)

Para Plastic Scintillator Monitor Model PSAM-1 is designed to detect low activity nuclear contamination monitor. It employs two plastic scintillators for detection of gamma activity in the surrounding. Automatic measurement of background activity enables Model PSAM-1 to set lowest possible detection limit. Periodical measurement of background activity automatically sets new level of threshold above which aural and visual alarms are activated.

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Description

Model Simple to use, yet powerful enough to detect low level nuclear contamination, enables Model PSAM-1 to be used in applications like Nuclear Contamination in Steel. Model PSAM-1 contains a main readout unit with two plastic scintillator detectors coupled through two composite cables to the main readout unit. The signals generated by the detectors are continuously monitored by the microcontroller based circuitry used in the readout unit. Two 7 segment LED displays on the readout unit indicate the instantaneous values of counts (proportional to the incident nuclear radiation) from the two detectors. Audio and Visual Alarm indicators are turned on as soon as the set alarm limit is crossed by the incident radiation. Setting up of Alarm Level and Detection Time (Integration Time) is done through the keyboard and the 16×2 line LCD display. This LCD is also used for indicating various messages and menus.

Readout UnitDetector Head

Typical Applications

  • Area Monitoring
  • Contamination Measurement in Steel or any material
  • Portal Monitor
  • Gate Monitor

 

Specifications (PSAM-1 System)

(PRELIMINARY INFORMATION)

Detector Heads
Detectors 2 nos of 50 mm dia x 600 mm thick plastic scintillator with PMT Integral assemblies
Front End Modules 2 nos of preamp, amplifier, SCA and HV circuit
HV Supply 2 nos, 0 to 1200V settable as per detector specification
Interface Cables 2 nos Composite cables max length 5 meter each

 

Readout Unit
Counters 2 nos of counters to give 999999 counts display
Displays a. 2 nos of 7 segment LED displays for counts
b. 16 x 2 characters LCD display for menus and messages
Alarms Cluster LED Red and Green for indication of Alarm and Normal Piezoelectric buzzer for Alarm Indication
Set Up Counting Time interval – 0.5, 1.0 and 2 seconds
Alarm Level (sigma value) – 1 to 20
Background Automatic measurement of background radiation
Supply Voltage 240V/50 Hz AC mains (±10%)
Enclosure ABS plastic box with transparent door, wall mounting arrangement

 

Due to continuous R&D, specifications are likely to change without notice

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