CPI International offers a complete selection of continuous dynode electron multipliers for use in a variety of analytical instruments and applications, including GC/MS, LC/MS, residual gas analyzers, and other instrumentation. Our high performance, long-life electron multipliers are engineered for maximum reliability, from low gain analog amplification to high gain pulse counting requirements. All multipliers are manufactured in an ISO 9002 compliant environment and are tested for multiple QC parameters prior to shipping, guaranteeing dependability and performance. These multipliers are air-stable and have an indefinite shelf life in their original packaging. Many models are now original equipment on popular OEM instrumentation.