
2100-120 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1504.00 | Condition is New, Keithley 2100/120 Multimeter NEW, shipping cost = $45.95 | 100.0% |
![]() | $1600.00 | Condition is New, Keithley 2100/120 - 6.5 Digit USB Digital Multimeter (120V), FREE SHIPPING | 99.8% |
![]() | $1621.05 | Condition is New, Keithley 2100/120 6 1/2-digit Multimeter w/USB, 120V Line Input, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $65.00 | Condition is Used, KEITHLEY 2100/120 Accessories UNI Cable Test Leads, shipping cost = $11.35 | 100.0% |
![]() | $559.99 | Condition is Used, Keithley 2100 6 1/2 Digit Multimeter 1.07-01-01 System Version, shipping cost = $20.00 | ![]() |
![]() | $765.00 | Condition is Used, Keithley 2100 6 1/2-digit Multimeter, shipping cost = $23.38 | 100.0% |

The Keithley 2100/120 2100 is a versatile and high-performance 1/2-digit multimeter designed for a wide range of measurement applications. This multimeter offers a resolution of up to 0.1 count, ensuring accurate and precise measurements. Its 2 1/2-digit displays provide ample space to read and record measurements, making data entry and analysis easy and efficient.
The Keithley 2100/120 multimeter offers a wide measuring range of DC voltage up to 1000V, AC voltage up to 750V, current up to 20A, resistance up to 2000 M , and frequency up to 100 MHz. This extensive measurement capability makes it an ideal tool for various industries, including automotive, electronics, power, and energy.
One of the standout features of the Keithley 2100/120 multimeter is its advanced automotive functions. It can measure battery voltage, charging system voltage, and alternator output, making it a valuable tool for automotive diagnostics. Additionally, the multimeter offers a test lead fault detection feature, ensuring accurate and reliable measurements by alerting the user to any potential issues with the test leads.
The Keithley 2100/120 multimeter also offers various safety features, including overvoltage protection, overcurrent protection, and overload protection, ensuring the safety of the user and the equipment during measurement. The rugged and compact design makes it suitable for use in various environments, including industrial and laboratory settings.
The Keithley 2100/120 multimeter comes with a comprehensive software package, including Keithley's 2100-Series Data Manager Software, which allows the user to perform advanced data acquisition, analysis, and reporting. The multimeter also offers a USB interface for easy data transfer and software upgrades, making it a powerful and flexible measurement solution.
In summary, the Keithley 2100/120 2100 is a high-performance and versatile multimeter designed for various measurement applications, particularly in industries such as automotive, electronics, power, and energy. Its extensive measurement range, advanced automotive functions, safety features, rugged design, and comprehensive software package make it an ideal tool for professionals and technically advanced users.
The Keithley 2100/120 2100 is a 1/2-digit multimeter manufactured by Keithley Instruments, a well-known brand in test and measurement solutions. This multimeter offers various features that cater to different applications in electrical measurement. In this response, we will discuss the pros and cons of buying a Keithley 2100/120 2100 multimeter to help you make an informed decision.
Pros:1. High Accuracy: The Keithley 2100/120 2100 multimeter offers high measurement accuracy, which is essential for applications requiring precise electrical measurements. It can measure AC and DC voltage, current, resistance, and capacitance with a high degree of accuracy.
2. Wide Measuring Range: The multimeter has a wide measuring range, which makes it suitable for various applications. It can measure voltage up to 1000V, current up to 10A, and resistance up to 2000 .
3. Data Logging Capability: The Keithley 2100/120 2100 multimeter has built-in data logging capabilities, enabling users to record and store measurement data for further analysis. This feature is particularly useful for applications where continuous monitoring is required.
4. Rugged Construction: The multimeter has a rugged construction, making it ideal for use in harsh environments. It is designed to withstand drops, vibrations, and other physical stresses.
5. Built-in Relay and Solid State Outputs: The multimeter comes with built-in relay and solid-state outputs, which can be used to control external devices or systems based on measurement results.
Cons:1. High Cost: The Keithley 2100/120 2100 multimeter is relatively expensive compared to other multimeters in the market. Its high price point may not be suitable for users with limited budgets.
2. Complex User Interface: The multimeter has a complex user interface, which can be overwhelming for users who are not familiar with advanced measurement instruments.
3. Limited Memory: The multimeter has limited memory capacity for storing measurement data, which may not be sufficient for applications requiring extensive data logging.
Conclusion:The Keithley 2100/120 2100 multimeter is a high-performance electrical measurement instrument that offers accurate and reliable measurements, a wide measuring range, data logging capabilities, rugged construction, and built-in relay and solid-state outputs. However, it comes with a high cost and a complex user interface, which may not be suitable for all users.
If you require precise electrical measurements and are willing to invest in a high-end multimeter, the Keithley 2100/120 2100 multimeter is an excellent choice. However, if you have a limited budget or do not require the advanced features of this multimeter, there are other more affordable options available in the market. Ultimately, the decision to buy the Keithley 2100/120 2100 multimeter depends on your specific application requirements, budget, and technical expertise.
Details:
No probes included. Included in this listing is just the 2100. The meter is sold in as condition. Shipping cost stated is for lower 48 states only.
Everything else shown is for demonstration and functionality of the device not included in sale. Stated is my best effort to describe it will answer any questions or perform other tests if requested. Selling my dams that are no longer needed. Dc volts and resistance shown in the pictures.
Nothing else shown in pictures is included.
specifications testmultimeters:
- brand: Keithley Instruments
- mpn: 2100/120
- part type: Multimeter
- display: Digital
returns testmultimeters:
- policy: no returns
payments testmultimeters:
- credit card: diners-club
- wallet: paypal
- other
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- started: april 16, 2025
- best offers: true
- in stock #: 5
- options: ship-to-home
- prices: $559.99–$1621.05
- item condition:
- New
- Used
- availability: in stock
- sold #: 20
seller testmultimeters:
- city: hialeah, florida
- # reviews: 8
- rating: 100.0%
shipping testmultimeters:
- service: usps priority mail
- carrier: usps
- type: fixed
- class: expedited
- transit: 7-13 days
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