EMIT Introduces Charged Plate Analyzer

The EMIT 50571 Charged Plate Analyzer is designed to provide quantitative and accurate measurements to performance and functionality of ionizers to the requirements of ANSI/ESD -STM3.1 and IEC 61340-5-1. The OUTPUT MONITOR connector on the rear panel is a buffered output providing a low-voltage replica of the voltage on the ion collecting isolated conductive plate.

The EMIT Charged Plate Analyzer employs a design that uses an ultra-high-impedance high-voltage follower to monitor the ion collecting plate voltage. This technique provides very high accuracy and virtually infinite impedance loading of the plate, while allowing the ion collecting plate to be charged and monitored through the same small-diameter connection.

This technique also makes the measurement capacitance independent of the physical size and shape of the ion collecting plate. Therefore, the size and shape of an ion collecting plate, as well as the measurement capacitance, may be customer specified to match a particular ESD-sensitive device within a manufacturing process, or it may be made to conform to the ESD Association Standard ANSI/ESD S20.20 and ANSI/ESD STM3.1.


  • 6″ x 6″ Charged Plate Analyzer Isolated Conductive Plate Customizable Measurement Capacitance
  • Programmable Discharge Mode Thresholds (±1 to 1000V in 1V Increments)
  • Peak AC Measurements
  • Voltage Follower Technology Large Signal Bandwidth: DC to 10 Hz
  • CE Marked
  • NIST Calibrated
  • AC Adapter Included
  • Made in the United States of America
  • Stocked in Chino, CA

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