Monroe 244A Electrostatic Voltmeter

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High performance with a proven track record 

Manufactured with the same care and attention that have made Monroe ISOPROBE® Electrostatic Voltmeters the industry standard, the Model 244A measures surface potential of insulating, semi-conductive or conductive materials on a small 0.04” (1mm) diameter spot or over a large area using patented techniques which assure high-accuracy drift-free measurements almost independent of probe / surface separation.


• ±3kV Range
• Measurement Without Physical Contact
• Accuracy Better Than 0.1% at Almost any Probe-to-Surface Spacing
• Full Complement of State-of-the-art High Ferquency Probes
• Provision for Master/Slave Operation