• Trek 542A 非接觸式靜電電壓表

Trek 542A 非接觸式靜電電壓表

• Chopper probe is DC-stable with or without incident air flow
• Drift-free measurements
• LCD screen displays present voltage and holds the most positive and negative values
• Visual and audible alarms activate when the preset voltage threshold levels are reached
• Analog voltage monitor output
• USB and RS-232 serial ports
• NIST-traceable Certificate of Calibration provided with each unit
• Optional Walking Test Adapter Kit available
型號 : Trek 542A

The Trek Model 542A Electrostatic Voltmeter (pictured with the Model 542P-S probe) provides accurate noncontacting measurements of the electrostatic surface voltage associated with EOS/ESD processes. The instrument is configured with a miniature electrostatic field chopper probe that can be remotely located and easily positioned within process equipment to provide highly accurate, non-contacting, DC-stable, spacing-independent voltage measurements in either ionized or non-ionized environments. A 20x4 alphanumeric LCD screen displays the present measured voltage, the positive peak voltage value, the negative peak voltage value and additional menu information.

! Measurement Range 

 Model 542A-1: ±10 kV DC or peak AC 

 Model 542A-2: ±20 kV DC or peak AC 

! Measurement Accuracy - Better than ±5% of the reading ±0.2% of full scale over a probe-to- surface separation of 

Model 542A-1: 15 mm to 30 mm 

 Model 542A-2: 30 mm to 60 mm 

! Alphanumeric LCD Display: 20 x 4 characters

  • Semiconductor
  • LCD
  • Electronic assembly
  • ESD-sensitive processes


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