Charged Plate Monitor - Model 156A

Trek Model 156A

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Features:

The Model 156A Charged-Plate Monitor is an important tool for evaluating the performance of air ionizers used to neutralize static charges. The Model 156A tests the efficiency of an ionizer’s ion production by timing how long it takes air ions produced to discharge a floating plate that has been pre-charged to either a positive or negative value. The Model 156A also tests the balance between positive and negative air ions by measuring the offset voltage generated on a floating plate due to an imbalance of positive and negative air ions impinging on the plate from the ionizer.

  • ESD monitoring of sensitive manufacturing processes such as semiconductor, disk drive and LCD.
  • Testing of all types of ionizers, including room ionization systems, AC and DC blowers, nuclear ionizers, gun type ionizers, and pulsed DC ionizers.
  • High temperature applications.
  • ESD measurement of de-ionized water.
  • Dissipative testing applications.

Specifications:

Large Signal Bandwidth :  DC to 10 Hz
Decay Mode Thresholds  User selectable for 10 V or 100 V, ±2%.
Start/Stop Voltages :  Programmable from 1 to ±1000 V in 1 V increments
Start/Stop Accuracy :  Within ±1 V of programmed voltage