Keithley 6514 Programmable Electrometer

• <1fA noise.
• >200TW input impedance on voltage measurements.
• Charge measurements from 10fC to 20µC.
• High speed—up to 1200 readings/second.
• Interfaces readily with switches, computers, and component handlers.
• Cancels voltage and current offsets easily.

Volts
NMRR	60dB on 2V, 20V, >55dB on 200V, at 50Hz or 60Hz ±0.1%.
CMRR	>120dB at DC, 50Hz or 60Hz.
Input Impedance	>200TW in parallel with 20pF, <2pF guarded (10MW with zero check on).
Small Signal Bandwidth At Preamp Output	Typically 100kHz (–3dB).

 

Reading Rate
To internal buffer	1200 readings/second
To IEEE-488 bus	500 readings/second
To front panel	17 readings/second at 60Hz 15 readings/second at 50Hz
Reading storage	2500 readings

• High resistivity measurements
• Leakage currents
• Ion selective electrode measurements
• PH measurements
• Conductivity cells
• Potentiometry

• Conforms with European Union Directive 89/336/EEC EN55011, EN50082-1, EN61000-3-2, EN61000-3-3, FCC part 15 class B.