Trek 541A | Advanced Energy
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Trek 541A


Non-Contacting Electrostatic Voltmeter for EOS and ESD Processes

The Trek® 541A electrostatic voltmeter is configured with a miniature electrostatic field chopper probe. The probe can be remotely located and easily positioned within process equipment. The unit's 20 x 4 alphanumeric LCD screen displays the present measured voltage, positive and negative peak voltage values, and additional menu information. Visual and audible alarms activate when preset voltage-threshold levels are reached.


  • Chopper probe is DC-stable with or without incident airflow
  • Analog voltage monitor output
  • USB and RS-232 serial ports
  • NIST-traceable calibration certificate provided with each unit
  • Walking test adapter kit available


  • Enable drift-free measurements
  • Remotely locate or easily position miniature field chopper probe
  • Use in ionized or non-ionized environments
  • Take spacing-independent voltage measurements


Betriebstemperaturbereich (°C): 15 to 35
Messbereich: +/- 1000 V
Messgenauigkeit (%): +/- 1%
Geschwindigkeit der Reaktion (ms): <50
Kommunikationsschnittstelle: USB and RS232 serial ports


Trek Voltmeter Accessories

Accessories compatible with the Trek electrostatic voltmeters.

Trek Serial Chart Installer Software

Software for Trek 541 and 542 - includes continuous data acquisition


Calibration and Alignment

Advanced Energy has the tools and processes to ensure your equipment continues to meet its original specifications.  Our products are calibrated at global AE service sites with proprietary technology designed to exceed industry standards​.

Agreement Term Options

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