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Electrometer amplifier

Electrometer amplifier

532 14

8 Electrometer amplifier

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Description
Technical data
Additionally required
Additionally recommended
Related Documents

Description

With extremely high-resistance voltage input for measurement of very small charges (to 10 ^-9 As) and currents (to 10 ^-10 A, e.g. ionisation currents).

Technical data

Gain: 1
Input impedance: > 10¹³ Ω
Input current: < 0.5 pA
Input capacitance: < 50 pF
Overvoltage stability, low resistance
(mains supply unit): 1 kV DC
highly resistive (friction rods): 10 kV DC
Output voltage: up to + 10 V
Output current: 5 mA (short-circuit proof)
Output impedance: < 1 Ω
Supply voltage: 12 V AC
Dimensions: 11.5 cm x 11.5 cm x 3 cm
Weight: 0.15 kg

Additionally required

1	562 791 4	Power supply unit (mains adaptor), 12 V AC
1	522 27 4	* Power supply, 450 V

Articles marked with * are alternative.

Additionally recommended

1	531 120	Multimeter LDanalog 20
1	532 16 8	Connecting rod

Related Documents

PDF (Instruction Sheet)	[532 14] Electrometer amplifier
PDF (Experiment description)	P3.1.2.1 Confirming Coulombs law - Measuring with the torsion balance, Schürholz design
PDF (Experiment description)	P3.1.2.2 Confirming Coulombs law - Measuring with the force sensor
PDF (Experiment description)	P3.1.5.1 Investigating the charge distribution on the surface of electrical conductors
PDF (Experiment description)	P3.1.5.2 Electrostatic induction with the hemispheres after Cavendish
PDF (Experiment description)	P3.1.6.1 Determining the capacitance of a sphere in free space
PDF (Experiment description)	P3.1.6.2 Determining the capacitance of a sphere in front of a metal plate
PDF (Experiment description)	P3.1.7.1 Determining the capacitance of a plate capacitor - Measuring the charge with the electrometer amplifier
PDF (Experiment description)	P3.1.7.2 Parallel and series connection of capacitors - Measuring the charge with the electrometer amplifier
PDF (Experiment description)	P6.1.4.3 Determining Plancks constant - Selection of wavelengths using interference filters on the optical bench
PDF (Experiment description)	P6.3.1.3 Detecting X-rays using an ionization chamber
PDF (Experiment description)	P6.3.1.4 Determining the ion dose rate of the X-ray tube with molydenum anode
PDF (Experiment description)	D3.1.2.1a Charge separation due to contact
PDF (Experiment description)	D3.1.2.1b Charge separation due to friction
PDF (Experiment description)	D3.9.4.2b Photoelectric emission - Electrometer amplifier

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