Keithley 6485: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Keithley 6485 Information
The Keithley 6485 is a 5½-digit picoammeter that offers a high degree of sensitivity and accuracy for measuring low currents. It has a wide measurement range of 20 fA to 20 mA, and it can measure currents at speeds up to 1000 readings per second. The 6485 is also equipped with a number of features that make it ideal for a variety of applications, including:
- Low-level current measurement: The 6485 can measure currents as low as 20 fA, making it ideal for applications such as the measurement of leakage currents in integrated circuits.
- High accuracy: The 6485 has an accuracy of ±0.1% of reading, making it one of the most accurate picoammeters on the market.
- Fast measurement speeds: The 6485 can measure currents at speeds up to 1000 readings per second, making it ideal for applications where fast measurement speeds are required.
- User-friendly interface: The 6485 has a user-friendly interface that makes it easy to operate. The instrument also has a number of built-in features that help to simplify the measurement process, such as autoranging and cursors.
Image of Keithley 6485
Full specifications of Keithley 6485
| Specification | Value |
|---|---|
| Measurement range | 20 fA to 20 mA |
| Accuracy | ±0.1% of reading |
| Resolution | 1 fA |
| Measurement speed | Up to 1000 readings per second |
| Autoranging | Yes |
| Cursors | Yes |
| Interface | USB |
| Power supply | 12 VDC |
| Dimensions | 192 x 127 x 64 mm |
| Weight | 1.4 kg |
Features of Keithley 6485
- High sensitivity and accuracy
- Fast measurement speeds
- User-friendly interface
- Built-in features for simplifying the measurement process
- Wide range of applications
What's in the box
- Keithley 6485 picoammeter
- USB cable
- Instruction manual
The Keithley 6485 is a versatile and powerful picoammeter that is ideal for a wide range of applications. It is a valuable tool for engineers and scientists who need to measure low currents with high accuracy and speed.
Additional information
The Keithley 6485 is supported by a number of software packages, including Keithley BenchLink and Keithley MeasureIT. These software packages provide additional features and functionality, such as data logging, analysis, and reporting.
The Keithley 6485 is a well-made and reliable instrument. It is backed by a one-year warranty, and Keithley offers a variety of extended warranty options.
If you are looking for a high-performance picoammeter, the Keithley 6485 is a great option. It is a versatile and powerful instrument that is ideal for a wide range of applications.
Keithley 6485 Compare with Similar Item
Here is a comparison of the Keithley 6485 picoammeter with two similar instruments:
| Feature | Keithley 6485 | Keithley 6487 | Agilent 34401A |
|---|---|---|---|
| Full-scale current range | 10 pA to 10 nA | 10 pA to 100 nA | 1 pA to 100 nA |
| Accuracy | ±0.05% of reading + 1 pA | ±0.02% of reading + 1 pA | ±0.01% of reading + 0.1 pA |
| Rise time | 200 µs | 100 µs | 100 µs |
| Source voltage | 250 V | 500 V | 100 V |
| Damping function | No | Yes | No |
| Price | $1,995 | $2,995 | $1,995 |
Summary
The Keithley 6485 is a high-precision picoammeter that is well-suited for a variety of applications. It is accurate, has a fast rise time, and is relatively affordable. The Keithley 6487 is a more advanced picoammeter that offers higher accuracy, a faster rise time, and a source voltage of 500 V. The Agilent 34401A is a less expensive picoammeter that is still accurate and has a fast rise time. However, it does not have a source voltage or a damping function.
Which picoammeter is right for you?
The best picoammeter for you will depend on your specific needs. If you need the highest possible accuracy and a fast rise time, the Keithley 6487 is a good option. If you are on a budget, the Agilent 34401A is a good choice. If you need a source voltage or a damping function, the Keithley 6485 is a good option.
Additional information
The Keithley 6485 and 6487 are both part of the Keithley 6400 Series of picoammeters. These instruments are known for their high accuracy, fast rise times, and ease of use. The 6400 Series is a popular choice for a variety of applications, including semiconductor testing, biomedical research, and environmental monitoring.
The Agilent 34401A is a picoammeter from Agilent Technologies. Agilent is a leading manufacturer of test and measurement equipment. The 34401A is a well-respected instrument that is known for its accuracy and performance.
I hope this comparison helps you choose the right picoammeter for your needs.
Keithley 6485 Pros/Cons and My Thought
The Keithley 6485 is a precision picoammeter that is used for a variety of applications, including semiconductor device characterization, circuit debugging, and low-level current measurements. It has a number of features that make it a popular choice for engineers and scientists, including:
- High accuracy: The 6485 has a quoted accuracy of ±0.05%, which is better than many other picoammeters on the market.
- Wide dynamic range: The 6485 can measure currents from 10 pA to 100 mA, making it suitable for a wide range of applications.
- Fast response time: The 6485 has a response time of 10 µs, which allows it to measure fast-changing currents.
- Easy to use: The 6485 has a user-friendly interface and comes with a variety of software tools that make it easy to use.
Here are some of the pros and cons of the Keithley 6485:
Pros:
- High accuracy
- Wide dynamic range
- Fast response time
- Easy to use
- Durable
Cons:
- Expensive
- Not as portable as some other picoammeters
- Can be difficult to calibrate
Here are some user reviews of the Keithley 6485:
Positive reviews:
- "I've been using the 6485 for a few years now and I'm very impressed with its accuracy and performance. It's a great tool for my work in semiconductor device characterization."
- "The 6485 is very easy to use and the software is very intuitive. I've been able to get accurate measurements right out of the box."
- "The 6485 is a very durable instrument. I've dropped it a few times and it's still working perfectly."
Negative reviews:
- "The 6485 is very expensive. If you're on a budget, there are other picoammeters that are more affordable."
- "The 6485 is not as portable as some other picoammeters. If you need to take your picoammeter with you to different locations, you might want to consider a different model."
- "The 6485 can be difficult to calibrate. If you're not familiar with how to calibrate a picoammeter, you might want to take it to a qualified technician."
Overall, the Keithley 6485 is a high-quality picoammeter that is well-suited for a variety of applications. It is accurate, has a wide dynamic range, and is easy to use. However, it is also expensive and not as portable as some other picoammeters.
My thoughts:
The Keithley 6485 is a great picoammeter for engineers and scientists who need high accuracy and performance. It is not the most affordable picoammeter on the market, but it is worth the investment for those who need the best possible measurements. If you are on a budget, there are other picoammeters that offer good performance at a lower price. However, the 6485 is the best choice for those who need the highest level of accuracy and performance.
Here are some other picoammeters that you might consider if you are looking for a more affordable option:
- Agilent 34420A
- Fluke 182
- Keithley 6487
These picoammeters offer good performance at a lower price than the 6485. However, they do not have the same level of accuracy or features as the 6485.
I hope this helps!
Keithley 6485 Where To Buy
some places where you can buy the Keithley 6485 and spare parts:
- Direct from Keithley: Keithley is the manufacturer of the 6485, so you can buy it directly from their website. They offer a variety of warranty options and shipping methods.
- Walmart: Walmart is a large retailer that carries a wide variety of electronic products, including the Keithley 6485. You can usually find it at a lower price than other retailers.
- Amazon: Amazon is another large retailer that sells the Keithley 6485. They often have competitive prices and a wide variety of sellers to choose from.
- Best Buy: Best Buy is a electronics retailer that sells the Keithley 6485. They offer a variety of financing options and in-store pickup.
- Lowes: Lowe's is a home improvement retailer that sells the Keithley 6485. They offer free shipping on orders over $45.
- eBay: eBay is an online auction site where you can find used and new Keithley 6485s. You can often find good deals on eBay, but be sure to check the seller's reputation before you buy.
For spare parts, you can usually find them on the Keithley website or from authorized distributors.
I hope this helps!
Keithley 6485 Problems and Solutions
some common issues and solutions for the Keithley 6485:
Issue: The instrument is not turning on. Solution:
- Check the power cord to make sure it is plugged in properly.
- Check the fuse to make sure it is not blown.
- If the instrument is still not turning on, contact Keithley support for assistance.
Issue: The instrument is not displaying any measurements. Solution:
- Make sure that the instrument is properly connected to the source and load.
- Check the input range to make sure it is set correctly.
- If the instrument is still not displaying any measurements, contact Keithley support for assistance.
Issue: The instrument is displaying incorrect measurements. Solution:
- Check the input range to make sure it is set correctly.
- Check the connections to make sure they are secure.
- If the instrument is still displaying incorrect measurements, contact Keithley support for assistance.
Issue: The instrument is not responding to commands. Solution:
- Check the instrument's communication settings to make sure they are correct.
- Restart the instrument.
- If the instrument is still not responding to commands, contact Keithley support for assistance.
These are just a few of the most common issues that can occur with the Keithley 6485. For more information on troubleshooting, please refer to the instrument's manual or contact Keithley support.
Here are some additional tips for troubleshooting Keithley 6485 problems:
- Use the instrument's self-test function to check for hardware errors.
- Keep a log of all the settings and measurements that you have made. This will help you to track down the source of any problems.
- If you are still having trouble, contact Keithley support for assistance. They will be able to help you to troubleshoot the problem and resolve it.
I hope this helps!
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