Keithley 610C Electrometer

• 5 x 10-15A input current
• 1014 ohms input resistance to 100V
• Measures V, I, R, Q, and is a current source

As a Voltmeter

• Range: 0.001V full scale to 100V in eleven 1x and 3x ranges
• Input Impedance: >1014 ohms shunted by 20pF. Input resistance may also be selected in decade steps from 10 to 1011 ohms

As an Ammeter

• Range: 10-14A full scale to 0.3A in twenty-eight 1x and 3x ranges

As an Amplifier

• Input Impedance: >1014 ohms shunted by 20pF. Input resistance may also be selected in decade steps from 10 to 1011 ohms
• Unity Gain Output: At DC, output = input
• Voltage Recorder Output: ±3V for full scale input
• Gain: 0.3, 0.1, etc. to 3000
• Frequency Response (within 3db): DC to 40kHz at gain of 1 and lower
• Current Recorder Output: ±1mA for full scale input

As an Ohmmeter

• Range: 100 ohms full scale to 1014 ohms in 25 linear 1x and 3x ranges

As a Coulombmeter

• Range: 10-13C full scale to 10-5C in seventeen 1x and 3x ranges

General

• Polarity: Meter switch selects left-zero (positive or negative) or center-zero scales. Output polarity is not reversed.
• Connectors:
  • Input: Teflon-insulated UHF; ground binding post
  • Voltage or current output: Amphenol 80-PC2F
  • Unity gain output, chassis ground: Binding posts