| Model 677B High Voltage Power Amplifier | Trek |
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 | - Output Voltage Range: 0 to ±2 kV DC or peak AC
- Output Current Range: 0 to ±5 mA DC or peak AC
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| Model 645 Electrostatic Chuck Supply | Trek |
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| Model 610E HV Supply/Amplifier | Trek |
|
 | - Selectable full scale high-voltage ranges of 0 to ±1 kV or 0 to ±10 kV
- Selectable full scale current ranges of 0 to 200 A or 0 to 2000 A
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| Model 615-10 High-Voltage AC-DC Generator | Trek |
|
 | - Output Voltage range: 0 to ±20kV peak-to-peak
- Output Current range: 0 to ±35mA peak AC / 0 to ±10mA peak DC
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