Måleforstærker DC- Phywe

Function and Applications

Versatile measuring amplifier for measurement of very small direct currents, electrical charges and for quasi-static measurements of DC voltages.

Equipment and technical data

• 8 current measurement ranges with very low voltage drop
• 6 voltage measurement ranges with extremely high input resistance
• 5 charge measurement ranges
• Analogue output for connection of demonstration measurement instruments/ pen recorders, button for reversing output voltage
• Selection of measurement modes using push-button
• Diode indicators for active measurement range
• Zero point adjustment, discharge button, range selection buttons

Current measurement

• Measurement range: 0.01 nA...0.1 mA in 8 decade ranges
• Voltage drop: 1 mV

Voltage measurement

• Measurement range: 0.1 mV...10 V in 6 decade ranges
• Input resistance: >100 GOhm

Charge measurement

• Measurement range: 0.1 nAs...0.001 mAs in 5 decade ranges
• Accuracy: 3%
• Input: BNC socket
• Overload protection: 250 V
• Power supply: 230 V
• Housing dimensions: 230 x 236 x 168 mm
• Modern plastic housing, impact resistant, with retractable carrying handle and stand