Trek Model 821 Hand-Held Electrostatic Voltmeter represents the next generation of contacting precision surface voltage measuring insuruments which provide input characteristics far beyond the limits of any currently available hand-held voltmeter product.
Measurement Range:0~±2KV DC.
Accuracy:better than1% of full scale
Input Impedance: Resistance greater than 10E14Ω
Capacitance less than 10E-14 F
