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The Trekยฎ 347 non-contacting electrostatic voltmeter provides precise surface voltage measurements in the range of ยฑ3 kVDC or peak AC.
The Trek 347 utilizes a field-nulling technique for non-contacting voltage measurement that achieves DC stability and high accuracy, with no need for fixed probe-to-surface spacing. This permits the accurate measuring of stationary or moving surfaces.
The Trekยฎย 156A tests the efficiency of an ionizerโs ion production by timing how long it takes air ions produced to discharge a floating plate that has been pre-charged to either a positive or negative value. The Trekยฎ 156A also tests the balance between positive and negative air ions by measuring the offset voltage generated on a floating plate due to an imbalance of positive and negative ions.
