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Keithley Instruments Inc.

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Low Current/High Resistance Measurement Solutions
 
Picoammeters
Electrometers
Source-Measure Units (SMUs)
System SourceMeter Instruments
Semiconductor Parameter Analyzer
Model 2502
Model 6514
Model 6517A
Model 6430
4200-SCS
Models
236　237　238
Current Meas. Range
20fA–20mA
15fA–20mA
<1fA–20mA
<1fA–20mA
400aA–100mA
30fA–100mA (to 1A with 238)
1fA–1.5A
0.1fA–1A (with remote preamps and high power SMUs
Features
500V source (6487 only).
100V source/
channel.
10fC–20μC charge measurements
±1kV source.
SourceMeter with Remote Preamp.
High speed source/measure capability. 5 digits.
Ideal for semiconductor test applications
Chassis can be configured with up to 8 SMUs

Sourcing Solutions for Low Current/High Resistance Measurements
 
Current Sources
Voltage Source
Source-Measure Units (SMUs)
Sub-fA Remote SourceMeter instrument
System SourceMeter
Instruments
Model 6220
Model 6221
Model 6430
Models
236　237　238
Max. Output
 ±105mA
±105mA
±1.5V–±5000V (voltage output)
Source up to 110V (236), 1100V (237), or 1A (238)
Sources up to ±105mA or ±210V
5μV–200V
Features
DC only
AC and DC
High voltage supply
Built-in waveforms
50aA output resolution
1 or 2 SMUs per instrument; ideal for multi-channel configurations

Current Amplifier Solution

Model 428-PROG converts small currents to voltages for digitization or display. Gain is adjustable in decade increments from 103V/A to 1011V/A.
  • CALL: 1-800-935-5595 (US Only)
  • NEW!

Interactive Voltage Measurement Guide
Quickly find the right solution for your application