Electrometer

Order Code: 23246324.73

Category: General Lab Equipment II

Impedance converter with highresistance input for measuring extremely small charges and currents. The input signal is converted into a proportional voltage, which can then be measured with an external voltmeter. During the measurement the potentials ...



SPECIFICATION

Impedance converter with highresistance input for measuring extremely small charges and currents. The input signal is converted into a proportional voltage, which can then be measured with an external voltmeter. During the measurement the potentials of The electrometer and the experimenter must be matched by using a metal rod connected to 
Earth. Includes a 12-v ac plug-in power supply. Experiment topics: Measurement of charge and voltage in electrostatics measurement of charge and
Voltage for a plate capacitor ionisation of air by burning gases or a radiationHallwachs effect (external photoelectric effect)
Specifications: 

  • Electrometer gain factor: 1.00 
  • Input resistance: >1012 ω
  • Output resistance: <1 kq
  • Input current: <10 pa 
  • Input capacitance: <50 pf 
  • Max. Output voltage: ±18 v 
  • Resistance to excess voltage: 1 kv (from low-resistance sources), 10 kv (from high-resistance sources) 
  • Supply voltage: 12 v ac

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