• Overview


• Keithley DMM
• 2100 6½-Digit USB


• 2000 6½-Digit


• 2010 Low Noise Autoranging


• 2001 7½-Digit


• 2002 8½-Digit


• Keithley Integrated DMM/Switch
• 3706 LXI Class B 7½-Digit


• 2700 6½-Digit


• 2701 6½-Digit Ethernet


• 2750 6½-Digit


• 2015/2016 6½-Digit THD, Harmonics


• Thurlby Thandar (TTi) Solutions

2100/120 6½-Digit USB Digital Multimeter @ 120V

The Model 2100 USB Digital Multimeter is the newest member of Keithley's family of high preformance DMMs. Its high accuracy (38 ppm), 6½ digit resolution is ideal for critical measurements.

The Model 2100 features 11 measurement functions and 8 math functions to easily accommodate the most commonly measured parameters. All accessories, such as USB cable, probes, and software, are included with the Model 2100. With its unique combination of high precision and low total cost of ownership, the Model 2100 is an unbeatable value for R&D engineers, test engineers, scientists, and students making basic precision measurements on the bench and in system applications.

The Model 2100 provides stability, accuracy, and speed at a very low cost. It has 0.0038% 1-year basic DC voltage accuracy on the 10V range and 0.013% 1-year basic resistance accuracy on the 10kW range. At 6½ digits, the Model 2100 delivers 50 triggered rdgs/s via the USB remote interface. At the fast 4½ digit setting, it reads over 2000 rdgs/s into its 2000 reading internal buffer.

Key Features and Benefits

• High precision 6-1/2 digit DMM for critical measurements at a 5-1/2 digit price


• 11 measurement functions cover most commonly measured parameters


• Fully specified accuracies on all functions for ISO-compliant results


• TMC compliant USB 2.0 interface for use with SCPI test programs


• Included PC software utilities for graphing and data sharing in both Microsoft® Word and Excel


• Rugged construction for durability in bench/portable applications


• Selectable front/rear inputs facilitate bench or rack use


• Includes all accessories, such as startup software, USB cable, power cable, and safety test lead, for lowest total cost


• UL listed; CE compliant

Measurement Functions

The Model 2100 provides a wide number of measurement ranges and functions:

• DC voltage: 0.1V, 1V, 10V, 100V, and 1000V


• AC voltage: 0.1V, 1V, 10V, 100V, and 750V


• DC current: 10mA, 100mA, 1A, and 3A


• AC current: 1A and 3A


• Two- and four-wire resistance: 100O, 1kOhm, 10kOhm, 100kOhm, 1MOhm, 10MOhm, and 100MOhm


• Frequency: From 3Hz to 300kHz


• Period measurement


• Diode measurement


• Programmable A-D converter and filter settings for signal to noise optimization

Additionally, eight mathematical operations can be performed on measurement readings: RATIO, %, Min/Max, NULL, Limits, mX+b, dB, and dBm testing. Microsoft Office, Word, and Excel add-in tools allow remote storage and recall of the measured values from these applications. A graphing utility enables charting of measurements versus time for trending and noise observations.

TMC compliant USB remote interface enables control from a PC for consistent test/calibration procedure execution and easy re-use of existing SCPI programs, including Agilent Model 34401A command emulation.

View/download full specifications

2100 Digital Multimeter (6.5 Digit, 100V)
Keithley Instruments, Inc. Model 2100 low cost, high accuracy, 6.5 digit USB interfaced digital multimeter
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