Keithley 619 Electrometer

Keithley 619 Electrometer
Enlarge Image
Keithley 619 Electrometer Keithley 619 Electrometer Keithley 619 Electrometer
Request Quote Print Page
Datasheet Specifications

 

Features:

  • Current measurement from 10fA to 2A dc
  • Voltage measurement from 1µV to 200V dc with 20 T ohms input resistance
  • Resistance measurements from 10 m ohms to 2 T ohms
  • Optional dual channels and IEEE interface

 

Specifications:

DC Volts
Range Maximum Reading
200 mV 199.999 x 10-3
2 V 1.99999
20 V 19.9999
200 V 199.999
  • Input Resistance: Greater than or equal to 20 T ohms

 

DC Amps
Range Maximum Reading
2 nA 1.99999 x 10-9
20 nA 19.9999 x 10-9
200 nA 199.999 x 10-9
2 µA 1.99999 x 10-6
20 µA 19.9999 x 10-6
200 µA 199.999 x 10-6
2 mA 1.99999 x 10-3
20 mA 19.9999 x 10-3
2 A 1.99999
  • Input Voltage Drop: Less than 1mV at full-scale except less than 0.6V on 2A range

 

ohms
Range Maximum Reading
2 k ohms 1.99999 x 10-3
20 k ohms 19.9999 x 10-3
200 k ohms 199.999 x 10-3
2 M ohms 1.99999 x 10-6
20 M ohms 19.9999 x 10-6
200 M ohms 199.999 x 10-6
2 G ohms 1.99999 x 10-9
20 G ohms 19.9999 x 10-9
200 G ohms 199.999 x 10-9
2 T ohms 1.99999 x 10-12
  • ohms Current Sources:
    • 2 k ohms, 20 k ohms: 100µA
    • 200 k ohms, 2 M ohms: 1µA
    • 20 M ohms, 2 G ohms: 10nA
    • 20 G ohms through 2 T ohms: 100pA
  • Analog Output: Analog output voltage level is the product of the ohms current source and the resistance being measured

 

IEEE-488 Bus Implementation

(Requires installation of Model 6193)

 

General

  • Display: Numeric; 0.56" LED digits, 4½-digit mantissa @ 6.2 rdg/s (5½ digits @ 2.4 rdg/s in high resolution mode), 2 digit exponent, decimal point, signed exponent and mantissa
  • Overrange Indication: Display reads OFLO
  • Maximum Allowable Input: 250V rms dc to 60Hz sinewave
  • Input Connectors (6194 Electrometer rear panel): 2A range: 5-way binding posts. All other functions and ranges via Teflon® insulated triaxial connector
  • Output Connectors: Analog: Amphenol Series 80 (Microphone), 6194 Electrometer rear panel. IEEE: Amphenol or Cinch Series 57, 6193 IEEE Interface rear panel. BNC (chassis isolated) connections for EXTERNAL TRIGGER and ELECTROMETER COMPLETE