I400 - 4 Channel Biased Input Charge Integrating Electrometer

I400 Render
ElectrometersProton TherapyCharge Measurement

Downloads
I400 DatasheetI400 User Manual (rev 4)I400 User Manual (older models)
I400 2D DrawingI400 3D DrawingI400 Application Code 4.0FI400 FPGA Code 1.5.06I400 Application Code 4.0D (for rev 3 hardware)I400 FPGA Code for Programmers 1.4.2 (for rev 3 hardware)I400 Application Code 4.0D (for rev 2 hardware)I400 FPGA Code for Programmers 1303 (for rev 2 hardware)

The I400 is intended for the measurement of small charges or corresponding currents (from pA to µA) generated by devices such as ionization chambers, in-vacuum beam position monitors, proportional chambers, and photodiodes. Four input channels make the I400 particularly well-suited to four-quadrant electrode systems used for beam centering. The unit may be stand-alone or networked with other devices and integrated into a larger system.

See the I404 for an electrometer with unbiased inputs suitable for detectors at ground potential.

Features

  • Four parallel gated integrator channels
  • Programmable bias voltage from 0V to +/-400V
  • Dynamic range < 0.1pA to >70µA
  • Low noise, < 100fA RMS +1fA RMS per pF input load
  • Stable output drift < 5ppm/C/Hour
  • Integrated digitization and communications
  • Integrated calibration test source
  • Multimode external triggering capability
  • Diagnostic host software with position algorithms and multiple display options

Applications

  • Ionization chamber readout
  • Secondary-electron beam position monitors
  • White beam blade BPMs
  • Photodiodes and photodiode beam position monitors
  • Diamond detector readout
  • General very-low current and charge 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.
Fibers

Fiber Optics

Measurement data is transmitted through state-of-the-art fiber-optic cables. The benefits are numerous compared to other forms of data transmission.

  • Fiber-optics are immune to electrical interference
  • Minimal attenuation of light through fibers
  • Fast messaging over enormous distances
  • Radiation hard fiber materials
XMLSnippetFinal

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
XMLSnippetFinal

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