Trek 347

Trek 347

ELECTROSTATIC VOLTMETER

Manufacturer:
TREK, Inc

More Products by TREK, Inc
Solution Type: Electrostatic Voltmeters
347

This non-contacting electrostatic voltmeter provides precision and value for surface voltage measurements in the range of ±3 kV DC or peak AC. Model 347 utilizes a field-nulling technique for non-contacting voltage measurement that achieves DC stability and high accuracy, with no need for fixed probe-to-surface spacing. This permits the accurate measuring of stationary or moving surfaces. Patented probe design enhances noise and drift performance in the presence of contaminating particulate or under conditions of high humidity and/or wide temperature ranges.



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  • Superb noise and drift performance
  • Precision voltage monitor output
  • Monitor provides a low voltage replica of the measured electrostatic potential for monitoring purposes or for use as a feedback signal in a closed loop system
  • Digital Enable allows an external device to turn the internal HV power supply on/off
  • Well-suited for automated or computer-controlled systems Easy-to-read LED display
  • Large selection of optional probes offer versatility (order separately)
  • CE compliant
  • Can be operated on a bench top, or with optional hardware, in a standard 19-inch rack
  • Surface voltage measurements of photoconductors or dielectric surfaces
  • Charge monitoring in semiconductor production
  • Measuring of electrostatic potentials on film, polymers, and paper


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