Normally, in a digital voltmeter, high input impedance of the preamplifier stage is protected against very high voltages by two diodes. One of them is connected to the positive terminal and the other ...
An ultra-high-impedance voltmeter performs contact measurements with virtually no charge transfer to or from the ESD-sensitive item. Electrostatic discharge (ESD) has the potential to destroy a device ...
Model 821HH expands Trek’s Infinitron® product line which leverages the company's groundbreaking ultra-high impedance voltmeter technology. The Infinitron® technology was developed to meet a market ...
Trek Inc. has introduced Infinitron, a ultra-high impedance voltmeter. Its hand-held probe enables contacting voltage measurements to be made with virtually no transfer of electric charge to or from ...
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