I404 - 4 Channel Charge Integrating Digital Electrometer
The I404 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 I404 particularly well-suited to four-quadrant electrode systems used for beam centering. The I404 includes an integrated high-voltage supply, suitable for biassing detectors.
See the I400 for an electrometer offering high voltage biased inputs, suitable for thimble ionization chambers.
See the IC101 for an electrometer with a single channel.
Features
- Four integrator channels with common gate
- Dynamic range <1 pA to 200 µA
- Integrated digitization and filtering
- Fiber-optic, RS-232, and RS-485 interfaces
- Integrated calibration current test source
- Full control provided of integration modes
- External trigger capability
- Four independent analog monitor outputs configurable to show current or position
- Four independent frequency monitor outputs (VFC)
- Optional high voltage output
- On-board calculation of position function in real time
Applications
- Quadrant photodiode readout
- Low current and charge measurement
- Beam position monitors
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.
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
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
IG2
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