The Model AC-2 is an instrument for Photoelectron Spectroscopy at atmospheric pressure that is an open counter equipped with an UV source.
The open counter is a unique electron detector, which can be operated in open air, and has been used for photoelectron spectroscopy in the air (PESA). By combining the open counter with an UV source, the AC-2 PESA instrument opens the way to a new dimension in surface analysis.
The model AC-2 has been developed from proven technology and incorporates the latest in digital control electronics producing an easy to use, flexible system suitable for all levels of expertise.
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The schematic diagram of the Open counter and waveforms at quenching grid, suppresser grid and the preamplifier output.
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