Model 400 - Electrostatic Voltmeter
New! The Trek Model 400 Electrostatic Voltmeter (shown above with optional bail feature) represents the next generation of DC-stable noncontacting, precision surface voltage measuring instruments which incorporates the exclusive Trek vibrating reed probe sensor and provides new features not previously available with any other electrostatic voltmeter instrument. These features include:
An automatically flat (no over/under shoot) response characteristic which is both fast and independent of the probe to measured surface spacing over a distance range of 1 mm to 3 mm, thus eliminating the need for a user operated response/gain control.
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TREK, INC.
11601 Maple Ridge Road
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