I128 - 128 Channel Charge Integrator Digital Electrometer

The I128 is Pyramid's flagship dosimeter instrument. It enables our scanning nozzle to deliver unparalleled precision and speed.

Features

  • 128 parallel charge integrating channels
  • 1 gated integrator channel for dose plane
  • 1 trigger input and trigger pass-through
  • 1 fiber-optic pulse output proportional to dose plane
  • 1 fiber-optic output for beam control
  • 1 high voltage supply output with loop-back verification
  • Safety relay output
  • Ion chamber temperature, pressure, and humidity sensor inputs
  • Fiber-optic loop control handling many Pyramid slave devices
  • Capable of executing and verifying pencil beam treatment plans
  • Integrated precision current sources for on demand calibration
  • 10kHz buffered data available over Ethernet RPC connection
  • Compact 1U 19" format

Applications

  • Paired with an IC128-25
  • Particle therapy beam position measurement and dosimeter
  • Multi-strip ionization chamber measurement
  • Particle range verification measurement
  • General high desnity low-current measurement
HV emco

Integrated High Voltage

  • Avoids the need for a separate external HV supply.
  • Precise programmable voltage control.
  • Choice of polarity, positive or negative, and range up to 3000V depending on the product.
  • Shared ground with measurement electronics to eliminate ground loops.
  • Short circuit protection and redundant output voltage monitoring.
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IG2 EPICS Support

Integrate device data collection and configuration into an EPICS system, without writing a single line of code using IG2.

  • Runs on Windows and Debian Linux
  • Change PV names with simple XML configuration
  • Connect to multiple Pyramid devices at once
  • Add custom scale factors and offsets on a PV basis
  • Never have to recompile
  • Professional Pyramid support for bugs and features
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IG2

Configurable EPICS channel access server for G2 and G1 devices

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Particle Therapy Control Console

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I128 Render

I128

128 Channel Charge Integrator Digital Electrometer

Related Papers

A Large-area High Resolution Imaging Detector System for PBS Quality Assurance

New dual-layer ionization chamber enhances beam scanning resolution in particle therapy.

2015-05-18

A Multifunction Isocenter Diagnostic for Beam Characterization in Pencil Beam Scanning Systems

Developed a diagnostic system for characterizing pencil beam scanning.

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An Enhanced System for Pencil Beam Characterization

Multilayer Faraday collector enhances pencil beam scanning system.

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Scanning Amplifier Implementation at Massachusetts General Hospital

Discusses the use of fast amplifiers in particle beam scanning for radiotherapy.

2013-06-02