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6½ Digit PXI Digital Multimeters (M9181A, M9182A, M9183A)

Data Sheets


The Keysight Technologies, Inc. M9181A PXI digital multimeter provides the most popular measurement functions, including DCV, ACV, DCI, ACI, 2- and 4-wire resistance, at an affordable price.

Keysight’s M9182A and M9183A 6½ digit high performance PXI digital multimeters (DMMs) offer fast throughput, flexible measurements, and trustworthy results.

The M9182A provides ten built-in measurement types with all the accuracy and stability you would expect from 6½ digit DMM. The M9183A provides the same capabilities as the M9182A, with market-leading measurement speed of up to 15,000 readings per second, additional ranges, and a DC source.

Key Features

  • 6½ digit resolution
  • High throughput: up to 15,000 rdgs/sec, 66 μs single reading interval
  • DCV basic one year accuracy: up to 40 ppm
  • DCV, ACV, DCI, ACI, 2- and 4-wire resistance measurements
  • Various DMM measurement types and DC source function on higher-end models

Industries and Applications

  • Aerospace and defense
  • Automotive electronics test
  • Industrial electronics test
  • Medical device test
  • Semiconductor and component test

Customer Values

  • M9181A provides a low cost solution with the most common DMM measurements
  • Measurements you can trust
  • Higher test throughput due to the lowest latency
  • Application development in the environment of your choice reduces development time
  • Customer supportable calibration procedures as well as calibration services available from Keysight

PXI-DMM M918xA Feature Summary

All three products are 6½ digit PXI DMMs that take DCV, ACV, DCI, ACI, 2- and 4-wire resistance measurements.

Easy Setup… Test… and Maintenance

Hardware Platform


The M9181A, M9182A and M9183A 6½ digit DMMs are PXI compliant, using either a cPCI (J1) or PXI-1 (J1) slot. Additionally, the M9182A and M9183A are also compatible with the PXIe Hybrid slot.

Designed to benefit from fast data interfaces, these PXI DMMs can be integrated with other test and automation modules in a PXI, Compact PCI, or Hybrid chassis.

The PXI format offers high performance in a small, rugged package. It is an ideal deployment platform for many automated test systems. A wide array of complementary PXI products is currently available. Products from Keysight include switches, multiplexers, digitizers, waveform generators, and local oscillators.

Software Platform

IO Libraries Suite

Keysight IO Libraries Suite offers fast and easy instrument connections. IO Libraries Suite 16.1 supports PXI, helping you display all of the modules in your system, view information about installed software and allows you to more easily find the right driver and start module soft front panels directly with Keysight Connection Expert.

National Instruments IO libraries are also supported and may be used along with Keysight IO libraries.


Keysight’s digital multimeters come complete with software drivers for Windows Vista, and Windows 7 (32 and 64 bit). These software drivers work in the most popular test and measurement development environments including LabVIEW, Visual Studio (C, C++, C#, Visual Basic), MATLAB and VEE.

Easy Software Integration

Application code examples are included for LabVIEW, Visual Basic, C/C++, C#, and MATLAB – demonstrating DMM set up and basic functionality. These application code examples can be used to help you integrate the DMM module into your measurement system.

Soft Front Panel

The soft front panel provides easy to use instrument control. The graphical user interface guides developers through module setup so users can quickly configure the DMM.

One notable feature of the soft front panel is the Driver Call Log which allows the user to see the driver calls for each button pushed. The user can then incorporate the driver calls into their application program – enabling fast and easy program development.


Each M9181A, M9182A and M9183A DMM is factory calibrated and shipped with an ISO-9002, NIST-traceable calibration certificate.


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