Electrostatic Products

Trek 156A

Charge Plate Monitor for Evaluating the Performance of Air Ionizers Used to Neutralize Static Charges

Advanced Energy’s Trek 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.

  • Monitored Voltage Range: 0 to ±1100 VDC or peak AC
  • Large Signal Bandwidth: (-3dB): DC to 10 Hz
  • Decay Mode Thresholds: Programmable from 1 to ±1000 V in 1V increments (accurate within ±1V of programmed voltage)
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Overview

The Trek® 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 Trek 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.

Typically, as an ionizer ages, the rates of positive and negative air ion production decline. Consequently, the time required for the ionizer to neutralize static charges increases, and the balance of positive and negative air ions changes. The neutralization (decay) time may become too long for the ionizer to fully neutralize charges that are generated at a work location, or the ionizer may begin to charge objects that were initially uncharged.

Benefits

  • Set custom measurement capacitance for assurance that ESD process needs are met in manufacturing
  • Easily transport within a facility with the compact and lightweight design
  • Use for ESD monitoring of sensitive manufacturing processes such as semiconductor, disk drive, and LC

Features

  • Extremely low offset and drift ensures high accuracy, making it ideal for applications requiring critical ion balance such as GMR and TMR manufacturing areas
  • NIST-traceable Certificate of Calibration provided with each unit

Select specifications are shown below. Please see product data sheet for additional specifications.

  • Performance

    Monitored Voltage Range

    0 to ±1100 V DC or peak AC

    Large Signal Bandwidth

    DC to 10 Hz (measured at 2000 V p-p)

    Small Signal Bandwidth (-3dB)

    DC to 1 kHz (measured at 20 V p-p)

    Plate Self-Discharge Rate

    Less than 12 V/minute

  • Voltage Monitor

    Output

    BNC provides low voltage replica of plate

    Scale Factor

    1/200th of the plate voltage

    DC Accuracy

    Better than 0.1% of full-scale

  • Mechanical

    H x W x D

    83 x 318 x 280 mm (3.25 x 12.5 x 11 in)

    Weight

    2 kg (4.4 lb)

  • Operating Conditions

    Temperature

    5 to 35°C (41 to 95°F)

    Relative Humidity

    To 80%, non-condensing

    Altitude

    To 2000 m (6561.68 ft)

  • Typical Applications

    • 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 are subject to change without notice. Not all options and accessories are available for all models and configurations. Dimensions listed generally refer to standard configurations and module bodies only. Please confirm technical specifications and customizations with a sales representative. Advanced Energy is not responsible for errors or omissions.

Data Sheets

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Inside the U.S.: 1.800.446.9167 (option 2)
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