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Electrometer (115 V, 50/60 Hz)
Electrometer (115 V, 50/60 Hz)






 
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Retail Price $252.00
Today's Online Price $226.80
You save $25.20!


Product Code: 3B-U8531408-115
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Description
Accessories/Replacements
 

Impedance converter with high-resistance 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.

Possible experiment topics:

  • Measurement of charge and voltage in electrostatics
  • Measurement of charge and voltage for a plate capacitor
  • Ionization of air by burning gases or α radiation
  • Hallwachs effect (external photoelectric effect)
Specifications:
  • Electrometer gain factor: 1.00
  • Input resistance: >1012
  • Output resistance: <1 k
  • Input current: <10 pA
  • Input capacitance: <50 pF
  • Max. output voltage: 8 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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