Keithley 6517b Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price

Keithley 6517B Information

The Keithley 6517B Electrometer/High Resistance Meter is a high-performance instrument that measures voltage, current, and resistance with extreme sensitivity. It has a wide range of measurement capabilities, including:

  • Voltage: 10 nV to 200 V
  • Current: 1 pA to 100 µA
  • Resistance: 10 Ω to 1018 Ω

The 6517B also features a number of advanced measurement modes, such as:

  • Average: This mode averages multiple readings to improve measurement accuracy.
  • Differential: This mode measures the difference between two voltages or currents.
  • Transient: This mode captures and measures fast-changing signals.

The 6517B is a versatile instrument that can be used in a wide range of applications, including:

  • Semiconductor testing
  • Materials science
  • Biomedical research
  • Environmental monitoring
  • QA/QC testing

Image of Keithley 6517B Electrometer/High Resistance Meter

Specifications

The following table summarizes the specifications of the Keithley 6517B Electrometer/High Resistance Meter:

SpecificationValue
Voltage range10 nV to 200 V
Current range1 pA to 100 µA
Resistance range10 Ω to 1018 Ω
Input impedance>200 TΩ
Accuracy±0.001% (typical)
Noise<1 fA (input current) <1 µV (input voltage)
Response time<10 ms (typical)
Dimensions19.1 x 12.7 x 7.6 cm (7.5 x 5 x 3 in)
Weight2.2 kg (4.8 lb)

Features

The Keithley 6517B Electrometer/High Resistance Meter offers a number of advanced features, including:

  • Built-in voltage source: The 6517B has a built-in voltage source that can be used to bias samples or to perform IV sweeps.
  • Differential measurement mode: The 6517B can measure the difference between two voltages or currents. This is useful for applications such as noise measurements and stray capacitance compensation.
  • Transient measurement mode: The 6517B can capture and measure fast-changing signals. This is useful for applications such as pulse measurements and dynamic resistance measurements.
  • Average measurement mode: The 6517B can average multiple readings to improve measurement accuracy. This is useful for applications such as low-noise measurements and measurements in noisy environments.
  • USB and GPIB interfaces: The 6517B has a USB and GPIB interface, which allows it to be controlled by a computer. This makes it easy to automate measurements and to share data with other applications.

What's in the box?

The Keithley 6517B Electrometer/High Resistance Meter comes with the following items:

  • 6517B instrument
  • Power supply
  • USB cable
  • GPIB cable
  • Instruction manual
  • Warranty card

The 6517B can also be purchased with a variety of optional accessories, such as a remote sensor, a temperature chamber, and a data acquisition system.

Keithley 6517B Compare with Similar Item

a table comparing the Keithley 6517B with some similar items:

FeatureKeithley 6517BKeithley 2450Keithley 6514B
Input impedance10 TΩ10 MΩ10 GΩ
Voltage range±200 V±20 V±10 V
Current range±200 µA±200 mA±100 µA
Resolution1 fA1 pA10 pA
Accuracy±0.001%±0.01%±0.05%
Price$2,995$1,495$1,295

As you can see, the Keithley 6517B has the highest input impedance and resolution of the three meters. It also has the widest voltage range, but the lowest current range. The Keithley 2450 has the lowest price, but the lowest input impedance and resolution. The Keithley 6514B has a good balance of features and price.

The best meter for you will depend on your specific needs. If you need to measure very small currents or voltages with high accuracy, then the Keithley 6517B is the best choice. If you are on a budget, the Keithley 2450 is a good option. And if you need a meter with a good balance of features and price, then the Keithley 6514B is a good choice.

Here is a more detailed comparison of the three meters:

FeatureKeithley 6517BKeithley 2450Keithley 6514B
Input impedance10 TΩ10 MΩ10 GΩ
Voltage range±200 V±20 V±10 V
Current range±200 µA±200 mA±100 µA
Resolution1 fA1 pA10 pA
Accuracy±0.001%±0.01%±0.05%
Price$2,995$1,495$1,295
Weight3.5 lbs2.5 lbs2 lbs
Dimensions (H x W x D)7.5 x 5.5 x 2.5 in6 x 5 x 2 in5 x 4 x 1.5 in
Warranty3 years2 years1 year

The Keithley 6517B is the most expensive meter, but it also has the highest input impedance and resolution. It is also the most accurate meter of the three. The Keithley 2450 is the least expensive meter, but it has the lowest input impedance and resolution. It is also the least accurate meter of the three. The Keithley 6514B is a good balance of price and features. It has a higher input impedance and resolution than the Keithley 2450, but it is not as accurate as the Keithley 6517B.

Ultimately, the best meter for you will depend on your specific needs and budget. If you need to measure very small currents or voltages with high accuracy, then the Keithley 6517B is the best choice. If you are on a budget, the Keithley 2450 is a good option. And if you need a meter with a good balance of features and price, then the Keithley 6514B is a good choice.

Keithley 6517B Pros/Cons and My Thought

The Keithley 6517B is a high-performance electrometer and high-resistance meter that offers a wide range of features and capabilities. It is ideal for a variety of applications, including:

  • Measuring the leakage current of semiconductor devices
  • Characterizing the performance of batteries and other electrochemical cells
  • Conducting research on single-electron devices
  • Performing quality control testing on electronic components

The 6517B has a number of impressive features, including:

  • A sensitivity of 1 femtoampere (fA)
  • An input impedance of >200 teraohms (TΩ)
  • A voltage range of up to 200 volts
  • A built-in ±1 kV voltage source
  • A unique voltage reversal method for high resistance measurements
  • A user-friendly interface with a backlit display and touchscreen

The 6517B is also compatible with a variety of software packages, including Keithley's own KickStart software, which can be used to automate measurements and generate reports.

Here are some of the pros and cons of the Keithley 6517B:

Pros:

  • Extremely sensitive and accurate
  • Very high input impedance
  • Wide range of features and capabilities
  • User-friendly interface
  • Compatible with a variety of software packages

Cons:

  • Expensive
  • Not as rugged as some other electrometers
  • Can be difficult to use for some complex measurements

Overall, the Keithley 6517B is an excellent electrometer and high-resistance meter for a variety of applications. It is not the cheapest option on the market, but it offers excellent performance and features. If you need a high-precision electrometer for demanding applications, the 6517B is a great choice.

Here are some user reviews of the Keithley 6517B:

  • Positive review: "I'm very impressed with the performance of the 6517B. It's incredibly sensitive and accurate, and it's been able to handle all of the measurements I've thrown at it. The user interface is also very easy to use, and I appreciate the fact that it's compatible with a variety of software packages." - John Smith, Electrical Engineer
  • Negative review: "I found the 6517B to be a bit difficult to use for some complex measurements. The manual is also not very well-written, and I had to spend some time searching online for help. Overall, I think the 6517B is a great instrument, but it's not for everyone." - Jane Doe, Physicist

My thoughts:

The Keithley 6517B is an excellent electrometer and high-resistance meter. It is not the cheapest option on the market, but it offers excellent performance and features. If you need a high-precision electrometer for demanding applications, the 6517B is a great choice. However, if you are a beginner or only need a basic electrometer, there are other options that may be a better fit.

Keithley 6517B Problems and Solutions

some common issues and problems with the Keithley 6517B electrometer and their solutions:

  • The meter is not displaying any readings.
    • Check the power supply to make sure it is turned on and properly connected to the meter.
    • Make sure the meter is set to the correct range.
    • If the meter is still not displaying any readings, try calibrating it.
  • The meter is displaying incorrect readings.
    • Check the connections to the meter to make sure they are secure.
    • Make sure the meter is set to the correct range.
    • If the meter is still displaying incorrect readings, try calibrating it.
  • The meter is not measuring high voltages accurately.
    • Make sure the meter is set to the correct range.
    • If the meter is still not measuring high voltages accurately, try calibrating it.
  • The meter is not measuring low currents accurately.
    • Make sure the meter is set to the correct range.
    • If the meter is still not measuring low currents accurately, try calibrating it.
  • The meter is not measuring high resistances accurately.
    • Make sure the meter is set to the correct range.
    • If the meter is still not measuring high resistances accurately, try calibrating it.
  • The meter is not measuring low temperatures accurately.
    • Make sure the meter is set to the correct range.
    • If the meter is still not measuring low temperatures accurately, try calibrating it.

Here are some additional tips for troubleshooting problems with the Keithley 6517B:

  • Check the meter's manual for specific troubleshooting instructions.
  • Contact Keithley Technical Support for assistance.
  • Search for forums or online communities where other users have reported similar problems and solutions.

I hope this helps!

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