Monroe 244AL Electrostatic Millivolt Meter

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This instrument is a basic Model 244 ISOPROBE® Electrostatic Voltmeter which has been extensively improved to provide high speed, low noise electrostatic measurements in the range of ±15 volts.


The Model 244AL is designed to function as a general purpose materials research and evaluation tool. Its unique capability for reliable, NONCONTACTING measurement of electrostatic potential in the millivolt range exposes broad new areas for exploratory research as well as providing a precision instrument for existing applications
in electrostatic measurements.

Some typical and potential applications include:

• Contact Potential Measurements
• Electrophotographic Measurements
• Radiation Effects on Insulators and Semiconductors
• Electret Measurements
• Bioelectric Potential Studies