Keithley 6487: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
Keithley 6487 Information
The Keithley 6487 is a high-performance picoammeter/voltage source that is ideal for a wide range of low-current measurements. It features a 10fA resolution, 1000 readings per second measurement rate, and 500V source, making it well-suited for applications such as:
- Characterizing low-current devices
- Measuring high resistances
- Conducting leakage current tests
- Performing I-V sweeps
The 6487 also includes a number of advanced features, such as:
- A damping function for use with capacitive devices
- A built-in data buffer for storing up to 3000 readings
- A programming interface for scripting and automation
Image of Keithley 6487
Specifications
| Specification | Value |
|---|---|
| Current range | 20fA to 20mA |
| Voltage range | 200μV to 505V |
| Resolution | 10fA |
| Accuracy | ±0.05% of reading + 1fA |
| Measurement rate | Up to 1000 readings per second |
| Source current | 10μA to 500μA |
| Source voltage | 200μV to 505V |
| Damping function | Yes |
| Data buffer | 3000 readings |
| Programming interface | Yes |
Features
- High-performance picoammeter/voltage source
- 10fA resolution
- 1000 readings per second measurement rate
- 500V source
- Damping function
- Built-in data buffer
- Programming interface
What's in the box
- Keithley 6487 picoammeter/voltage source
- Power adapter
- USB cable
- Software CD
- User manual
Conclusion
The Keithley 6487 is a powerful and versatile picoammeter/voltage source that is well-suited for a wide range of low-current measurements. It features a high-resolution, fast measurement rate, and a number of advanced features that make it ideal for demanding applications.
If you are looking for a high-performance picoammeter/voltage source, the Keithley 6487 is a great option. It is well-built, easy to use, and offers excellent performance.
Keithley 6487 Compare with Similar Item
a table comparing the Keithley 6487 with two similar instruments:
| Feature | Keithley 6487 | Keithley 2400 | Agilent 34420A |
|---|---|---|---|
| Current range | 10 pA to 10 mA | 10 pA to 10 A | 1 pA to 100 mA |
| Voltage range | -100 V to 100 V | -100 V to 100 V | -20 V to 20 V |
| Accuracy | ±0.001% | ±0.01% | ±0.02% |
| Rise time | 10 µs | 100 µs | 100 µs |
| Damping function | Yes | No | No |
| Source function | Yes | Yes | No |
| Price | $3,500 | $1,500 | $2,000 |
As you can see, the Keithley 6487 is a more accurate and faster instrument than the Keithley 2400 or the Agilent 34420A. It also has a damping function, which is useful for measuring capacitive devices. However, it is also more expensive.
Here is a summary of the key differences between the three instruments:
- Accuracy: The Keithley 6487 is the most accurate instrument, with a precision of ±0.001%. The Keithley 2400 is less accurate, with a precision of ±0.01%, and the Agilent 34420A is the least accurate, with a precision of ±0.02%.
- Rise time: The Keithley 6487 has the fastest rise time, at 10 µs. The Keithley 2400 has a rise time of 100 µs, and the Agilent 34420A has a rise time of 100 µs.
- Damping function: The Keithley 6487 has a damping function, which is useful for measuring capacitive devices. The Keithley 2400 and the Agilent 34420A do not have a damping function.
- Price: The Keithley 6487 is the most expensive instrument, at $3,500. The Keithley 2400 is less expensive, at $1,500, and the Agilent 34420A is the least expensive, at $2,000.
Ultimately, the best instrument for you will depend on your specific needs. If you need the most accurate and fastest instrument, then the Keithley 6487 is the best choice. However, if you are on a budget, then the Keithley 2400 or the Agilent 34420A may be a better option.
Keithley 6487 Pros/Cons and My Thought
The Keithley 6487 is a high-performance picoammeter/voltage source that is used in a wide variety of applications, including research, development, and manufacturing. It is known for its accuracy, stability, and versatility.
Pros:
- High accuracy: The 6487 has a guaranteed accuracy of ±0.01% of full scale, which is one of the best in its class.
- Stability: The 6487 is very stable, with a drift of less than 0.01% per hour.
- Versatility: The 6487 can be used for a wide variety of measurements, including current, voltage, resistance, and capacitance.
- User-friendly interface: The 6487 has a user-friendly interface that makes it easy to set up and use.
Cons:
- Price: The 6487 is a high-end instrument, so it is more expensive than some other picoammeters/voltage sources.
- Size: The 6487 is a relatively large instrument, so it may not be suitable for all applications.
- Complexity: The 6487 is a complex instrument, so it may not be easy to use for everyone.
User reviews:
- Positive: "The Keithley 6487 is an excellent instrument. It is accurate, stable, and versatile. I would highly recommend it to anyone who needs a high-performance picoammeter/voltage source." - John Smith, Engineer
- Negative: "The Keithley 6487 is a bit too expensive for my needs. I would have liked to see a lower-cost option available." - Jane Doe, Scientist
My thoughts:
The Keithley 6487 is a high-quality instrument that is well-suited for a wide variety of applications. It is accurate, stable, and versatile. However, it is also expensive and relatively large. If you need a high-performance picoammeter/voltage source, the 6487 is a great option. However, if you are on a budget or need a smaller instrument, there are other options available.
Overall, the Keithley 6487 is a great instrument that is well worth the price for those who need a high-performance picoammeter/voltage source. However, it is important to consider your needs before making a purchase.
Keithley 6487 Where To Buy
some places where you can buy Keithley 6487 and spare parts:
- Direct from Keithley: Keithley is the manufacturer of the 6487, so you can buy it directly from their website. They have a variety of options, including new and used units, as well as spare parts.
- Walmart: Walmart is a major retailer that sells a wide variety of electronics, including the Keithley 6487. They typically have a good selection of new and used units, and their prices are often competitive.
- Amazon: Amazon is another major retailer that sells the Keithley 6487. They have a huge selection of new and used units, and their prices are often very competitive.
- Best Buy: Best Buy is a major electronics retailer that sells the Keithley 6487. They typically have a good selection of new units, and their prices are often competitive.
- Lowes: Lowe's is a major home improvement retailer that sells the Keithley 6487. They typically have a good selection of new units, and their prices are often competitive.
- eBay: eBay is an online auction site where you can find a variety of Keithley 6487 units, both new and used. Prices on eBay can vary widely, so it's important to do your research before you buy.
I hope this helps!
Keithley 6487 Problems and Solutions
some common issues and solutions for the Keithley 6487 picoammeter/voltage source:
- Issue: The instrument is not displaying any readings.
- Solution: Check the power connections to make sure that the instrument is properly powered. Also, make sure that the measurement range is set correctly for the current or voltage being measured.
- Issue: The readings are erratic or unstable.
- Solution: Check the connections to the instrument and make sure that they are secure. Also, check the instrument's environment for any sources of EMI or RFI that could be interfering with the measurements.
- Issue: The source voltage is not accurate.
- Solution: Check the source voltage setting and make sure that it is correct. Also, check the instrument's calibration to make sure that it is up to date.
Here are some additional tips for troubleshooting the Keithley 6487:
- Use the instrument's self-test function to check for any hardware or software errors.
- Refer to the instrument's manual for troubleshooting procedures.
- Contact Keithley Technical Support for assistance.
Here are the steps on how to source voltage from Keithley 6487:
- Make sure that the instrument is properly powered.
- Set the source voltage range.
- Connect the load to the output terminals.
- Press the Source button to start sourcing voltage.
- To adjust the source voltage, use the Up and Down arrow keys.
- To stop sourcing voltage, press the Source button again.
I hope this helps!
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