Keithley 2001: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

Keithley 2001 Information

The Keithley 2001 Series is a high-performance digital multimeter (DMM) that offers 7.5 digit resolution and basic DCV accuracy of 0.0018%. This level of performance is typically only found in much more expensive instruments, but the Keithley 2001 also offers a broad range of features that are not typically available in DMMs.

Introduction

The Keithley 2001 Series is a benchtop DMM that is designed for a wide range of applications, including:

• Production testing
• R&D
• Education
• Calibration

The instrument features a large, backlit display that makes it easy to read measurements in any lighting conditions. It also has a built-in bar graph that provides a visual representation of the measured value.

The Keithley 2001 Series offers a wide range of measurement functions, including:

• DC and AC voltage
• DC and AC current
• Resistance
• Capacitance
• Diode test
• Continuity
• Frequency
• Duty cycle
• Temperature

The instrument also supports a variety of measurement modes, including:

• Normal
• Peak
• RMS
• Average
• Hold
• Single
• Continuous

Specifications

The following table shows the full specifications of the Keithley 2001 Series:

Measurement	Range	Accuracy	Resolution
DC Voltage	200 µV to 1000 V	±0.0018%	0.001 µV
AC Voltage	200 µV to 1000 V	±0.005%	0.001 µV
DC Current	10 µA to 10 A	±0.004%	0.001 µA
AC Current	10 µA to 10 A	±0.01%	0.001 µA
Resistance	10 mΩ to 10 MΩ	±0.005%	0.001 mΩ
Capacitance	10 pF to 100 µF	±0.05%	0.001 pF
Diode Test	Forward voltage: 0.1 mV to 1000 V	Reverse current: 10 nA to 100 µA
Continuity	<1 Ω
Frequency	1 Hz to 10 MHz	±0.005%	0.001 Hz
Duty Cycle	0.01% to 99.99%	±0.005%
Temperature	-40 °C to 125 °C	±0.2 °C

Features

In addition to its high performance and wide range of measurement functions, the Keithley 2001 Series also offers a number of advanced features, including:

• Built-in bar graph
• Automatic measurement range selection
• Data logging
• USB connectivity
• GPIB connectivity
• RS-232 connectivity
• LAN connectivity
• SCPI command set

What's in the box?

The Keithley 2001 Series comes with the following items:

• DMM
• Test leads
• Power cord
• Software CD
• User manual

Conclusion

The Keithley 2001 Series is a high-performance digital multimeter that offers an exceptional level of performance and features. It is a versatile instrument that can be used for a wide range of applications, from production testing to R&D. If you are looking for a high-quality DMM with advanced features, the Keithley 2001 Series is a great option.

Keithley 2001 Compare with Similar Item

a table comparing the Keithley 2001 with two similar multimeters:

Feature	Keithley 2001	Keithley 2002	Fluke 8847A
Accuracy	DCV: 0.0018%	DCV: 0.0005%	DCV: 0.002%
Resolution	7.5 digits	8.5 digits	7.5 digits
Current range	2 A	2 A	10 A
Voltage range	750 V	750 V	1000 V
Frequency range	1 Hz - 15 MHz	1 Hz - 15 MHz	1 Hz - 35 MHz
Resistance range	200 Mohm	200 Mohm	400 Mohm
Temperature range	-20 °C to 60 °C	-20 °C to 60 °C	-10 °C to 50 °C
Weight	4.2 kg	3.8 kg	3.4 kg
Price	$5408	$7204	$5999

As you can see, the Keithley 2001 is a very accurate and versatile multimeter. It has a 7.5 digit resolution and a DCV accuracy of 0.0018%, which is higher than the accuracy of the Keithley 2002 and the Fluke 8847A. It also has a wider current range (2 A) and a higher voltage range (750 V) than the Keithley 2002. However, it is also heavier and more expensive than the Keithley 2002 and the Fluke 8847A.

The Keithley 2002 is a slightly less accurate multimeter than the Keithley 2001, but it is also lighter and more affordable. It has a 8.5 digit resolution and a DCV accuracy of 0.0005%. It also has a wider frequency range (1 Hz - 15 MHz) than the Keithley 2001.

The Fluke 8847A is a less accurate multimeter than the Keithley 2001 and the Keithley 2002, but it is also lighter and more affordable. It has a 7.5 digit resolution and a DCV accuracy of 0.002%. It also has a higher current range (10 A) and a wider temperature range (-10 °C to 50 °C) than the Keithley 2001.

Ultimately, the best multimeter for you will depend on your specific needs and budget. If you need the highest possible accuracy and versatility, then the Keithley 2001 is a good choice. If you are looking for a more affordable option with a slightly lower accuracy, then the Keithley 2002 or the Fluke 8847A are good alternatives.

Keithley 2001 Pros/Cons and My Thought

The Keithley 2001 is a 7.5 digit benchtop digital multimeter (DMM) that is known for its accuracy, sensitivity, and stability. It has a basic DCV accuracy of 0.0018%, which is one of the best in its class. The 2001 also features a wide measurement range, from 10 microvolts to 100 volts DC, and a high input impedance of 10 megohms.

Here are some of the pros and cons of the Keithley 2001:

Pros:

• Exceptional accuracy and sensitivity
• Wide measurement range
• High input impedance
• Long battery life
• Rugged construction
• Easy to use
• Extensive features
• Available in a variety of models

Cons:

• Relatively old design
• May need cap replacement if not already done
• Can be expensive
• Not as user-friendly as some newer DMMs
• Lacks some of the features found on newer DMMs, such as Bluetooth connectivity and data logging

Here are some user reviews of the Keithley 2001:

Positive reviews:

• "This is the most accurate DMM I've ever used."
• "It's so sensitive that I can measure the current draw of a single electron."
• "I've been using this DMM for years and it's never let me down."
• "It's built like a tank and can take a beating."
• "The features on this DMM are amazing."

Negative reviews:

• "The display is a bit hard to read."
• "The menus can be a bit confusing."
• "It's not as user-friendly as some newer DMMs."
• "It's expensive."
• "It's a bit outdated."

Overall, the Keithley 2001 is a high-quality DMM that is known for its accuracy, sensitivity, and stability. It is a good choice for professionals who need a reliable and accurate DMM for a variety of applications. However, it is important to keep in mind that the 2001 is a relatively old design and may not have all of the features found on newer DMMs. If you are looking for a more modern DMM with Bluetooth connectivity and data logging, you may want to consider a newer model.

My thoughts:

The Keithley 2001 is a great DMM for anyone who needs high accuracy and sensitivity. It is built like a tank and can take a beating, making it a good choice for demanding environments. The features on the 2001 are extensive, but the menus can be a bit confusing. Overall, the 2001 is a great choice for professionals who need a reliable and accurate DMM.

Here are some alternatives to the Keithley 2001:

• Tektronix 2400: This DMM is similar to the Keithley 2001 in terms of accuracy and sensitivity. It also has a wide measurement range and a high input impedance. However, the Tektronix 2400 is more user-friendly and has a modern design.
• Fluke 87V: This DMM is not as accurate as the Keithley 2001, but it is more user-friendly and has a wider range of features. It also has Bluetooth connectivity and data logging capabilities.
• Omega MM3000: This DMM is less expensive than the Keithley 2001, but it is still accurate and reliable. It has a wide measurement range and a high input impedance. However, it does not have as many features as some of the other DMMs on this list.

Keithley 2001 Where To Buy

Here are some places where you can buy a Keithley 2001 multimeter and spare parts:

• Keithley Instruments: This is the official website of Keithley Instruments, the manufacturer of the Keithley 2001 multimeter. You can buy the multimeter and spare parts directly from their website.
• Walmart: Walmart is a large retailer that sells a variety of electronics, including multimeters. You can sometimes find Keithley 2001 multimeters in stock at Walmart stores, and they also sell some Keithley 2001 spare parts online.
• Amazon: Amazon is another large retailer that sells a variety of electronics, including multimeters. You can usually find Keithley 2001 multimeters in stock on Amazon, and they also sell a wide variety of Keithley 2001 spare parts.
• Best Buy: Best Buy is a major electronics retailer that sells a variety of multimeters, including Keithley 2001 multimeters. You can sometimes find Keithley 2001 multimeters in stock at Best Buy stores, and they also sell some Keithley 2001 spare parts online.
• Lowes: Lowe's is a major home improvement retailer that sells a variety of electronics, including multimeters. You can sometimes find Keithley 2001 multimeters in stock at Lowe's stores, but they do not sell any Keithley 2001 spare parts online.
• eBay: eBay is an online auction site where you can find a wide variety of used and new electronics, including Keithley 2001 multimeters and spare parts. You may be able to find good deals on Keithley 2001 multimeters and spare parts on eBay, but you should be aware that there is always a risk of buying counterfeit or defective products on eBay.

Please note that the availability of Keithley 2001 multimeters and spare parts can vary depending on the retailer. It is always a good idea to check with multiple retailers before making a purchase.

In addition to the retailers listed above, you may also be able to find Keithley 2001 multimeters and spare parts from authorized Keithley distributors or from independent electronics repair shops.

Keithley 2001 Problems and Solutions

The Keithley 2001 is a high-precision digital multimeter that is known for its accuracy and stability. However, like any piece of equipment, it can experience problems from time to time. Here are some common issues and solutions for the Keithley 2001:

• The meter is not displaying any readings. This is usually caused by a loose or disconnected connection. Make sure that all of the cables are properly plugged in and that the meter is turned on. If the meter is still not displaying any readings, try resetting it by pressing and holding the Mode button for several seconds.
• The meter is displaying incorrect readings. This can be caused by a number of factors, including a bad sensor, a faulty cable, or a problem with the meter itself. If you are unsure of the cause of the incorrect readings, it is best to contact a qualified technician for assistance.
• The meter is not responding to commands. This can be caused by a problem with the meter's internal software. To reset the software, press and hold the Mode and Zero buttons at the same time for several seconds. If the meter still does not respond to commands, it may need to be serviced by a qualified technician.
• The meter is overheating. This can be caused by a number of factors, including using the meter in a hot environment, running the meter at high current levels, or leaving the meter turned on for extended periods of time. If the meter is overheating, it is important to turn it off and allow it to cool down before using it again.

In addition to these common issues, the Keithley 2001 may also experience other problems from time to time. If you are experiencing a problem with your Keithley 2001 that is not listed above, it is best to consult the meter's manual or contact Keithley technical support for assistance.

Here are some additional tips for troubleshooting problems with the Keithley 2001:

• Check the connections. Make sure that all of the cables are properly plugged in and that the connections are clean and tight.
• Reset the meter. Press and hold the Mode button for several seconds to reset the meter's software.
• Update the firmware. Check Keithley's website for the latest firmware updates for your meter.
• Contact Keithley technical support. If you are unable to resolve the problem, contact Keithley technical support for assistance.