PHYWE Electrometer amplifier

Function and Applications

Operational amplifier with high resistance input for quasi-static voltage measurement respectively charge measurement, in fail-safe-plastic housing.

Benefits

• Suited for experiments with electrostatics e.g. charge measurement, capacity measurement of sphere-capacitor, measurement of direct voltages, quasistatic measurements and measurement of small currents.

Equipment and Technical Data

• Power supply via 4 mm sockets or wall power supply with hole socket.
• Gain/amplification: 1.0
• Input resistance: > 10000 GOhm
• Input current: < 0.5 pA
• Input capacitance: < 50 pF
• Input voltage:
• Amplifier (socket 1): ± 10 V-
• Second input (socket 2): 1 kV
• Power supply: 12 V AC/25 mA hole socket: 2.1/5.5 mm or
• External power source: 12 V AC, 25 mA 4 mm sockets
• Output voltage: ± 10 V
• Output current: 1 mA
• Output resistance: < 500 Ohm

• Operation temperature: 5...40°C

• Relative humidity: < 80%

• Dimensions: 65 × 113 × 35 mm
• Weight: 150 g