Cryogenic Ionization Chambers

A 120 cc refillable radiation-hard cryogenic ionization chamber

This helium-filled chamber has been designed to operate at temperatures as low as 5K and to measure the radiation-field around superconducting accelerator cavities.

• Radiation hard
• All-metal + Ceramic construction
• 2-electrode design

• Factory-filled with helium at 1 bar.
• Can be refilled at user site.
• Fill volume: 122 cc
• Sensitivity: 1.9pA per R/hr
• Estimated range: up to 30kR/hr

• Current-to-frequency converter available
• 1 pulse per 1 pC
• Pulses can be sent through long cables.

• Data sheet
• Outline drawing