Model 5491B

2831E and 5491B

50,000 Count True RMS Bench Digital Multimeter

Price: $630 / 3 yr Warranty

Name Qty Last Updated
TME 2 2026-03-06
NEWARK 5 2026-03-06
SEFRAM 10 2026-03-06
DIGI-KEY 25 2026-03-05
MOUSER ELECTRONICS 4 2026-03-04

Overview

The 2831E and 5491B are versatile and dependable bench-top digital multimeters suitable for applications in education, service & repair and manufacturing requiring basic and reliable measurements. Additionally, these multimeters enhance your productivity with built-in math functions and USB connectivity, features not found in other bench meters in this price category.

The meters take typical multimeter measurements such as volts, ohms, and amps with great accuracy and stability and were designed for cost conscious users requiring a basic and dependable meter with a broad range of extra features offered at a value price.

  • Up to 50,000 count display resolution
  • Basic VDC accuracy of 0.02% for the 5491B and 0.03% for the 2831E
  • Dual display to indicate two measurements simultaneously
  • AC + DC True RMS
  • Up to 25 readings per second measurement rate
  • Built-in math functions: Rel, Max/Min, dBm, dB, %, Hold, Compare
  • CATI (1000 V)/CATII (300 V) protection
  • USB and RS232 (5491B only) interface
  • SCPI compatible
  • Rack-mountable with available accessory

Models

Product Display Count Ranging Correction Factor Interface MSRP
2831E 50000 Auto True RMS RS232, USB $499
5491B 50000 Auto True RMS RS232, USB $630

Documents

Documentation

Software

CP210X_USB_Driver.zip - version: V11.3.0
USB Virtual COM Drivers (Supports Windows 10/11)
2831E_5491B_software.zip - version: V1.0.3
Operating Software (Supports Windows(R) 7/10)
LV5491B_2011.zip - version: 1.0
LabVIEW 2011 Drivers
LV5491B.zip - version: 1.0
LabVIEW 2014 SP1 Drivers

Accessories

SP201

Current transducer (10 mVAC/1 AAC, 200 A, Ø 15 mm)

SP201

  • Jaw opening 15 mm
  • Current transducer 200A AC
  • Output voltage 10mV AC/1A AC
  • Bandwidth 40 Hz to 5 KHz
  • Safety : for isolated conductor only

MSRP: $145
SP221

Current transducer (100 mVAC/1 AAC, 10A, Ø 15 mm)

SP221

  • Jaw opening 15 mm
  • Current transducer 10A AC
  • Output voltage 100mV AC/1A AC
  • Bandwidth 40 Hz to 5 KHz
  • Safety : for isolated conductor only

MSRP: $249
SP261

Current transducer (1 mVAC+DC/ 1AAC+DC, 1200 A, Ø 50 mm)

SP261

  • Jaw opening 50 mm
  • Current transducer 1200A
  • Output voltage 1mV/1A
  • Bandwidth DC A 3KHz
  • Safety : 600 V CAT III

MSRP: $535
SP270

Current transducer (1 mVAC/1 AAC, 2000 A, Ø 70 mm)

SP270

  • Current transducer up to 2000 A
  • Output voltage 1mV AC / 1A AC
  • Bandwidth 40 Hz to 5 KHz
  • Jaw opening 70 mm
  • Safety : 600 V CAT III

MSRP: $640
TL37

Red and Black CAT III (IV) 1000V (600V) Test Leads

TL37

Right-angled sheathed banana replacement 10A test leads for digital multimeters.

MSRP: $15
TL500B

High Performance Bench DMM Accessory Kit

TL500B

This kit of accessories was assembled to facilitate requirements by high-performance bench digital multimeters (DMM's) users. All the most popular accessories in one kit. The kit offers MiniProbe test probe, with spring-loaded tips, for fine probing; MiniPRO Test Clips for small and MiniFlex Test Clips for micro connections; and for those larger test points, both spade lug and banana plug adapters, two pairs of test leads for 4-wire measurements or calibration hookups, an insulated BNC male to sheathed banana jack adapter, and an insulated SMD Tweezer set for surface-mount component testing.

  • Silicone jacketed test lead wire with UL Listing
  • MiniProbes w/Spring loaded Stainless Steel Tips
  • Packaged in Plastic Case

 

Kit Contains:
(4) Test Lead 4mm Sheathed P-RaP Silicon 0.75,  40": (2) Black, (2) Red
(2) Spring Tip Mini-Probe-4mm Jack: (1) Black, (1) Red
(1) Insulated BNC male Adapt-4mm Safety Jacks
(2) Adapter 4mm Banana Plug to Jack: (1) Black, (1) Red
(2) Mini Flex Clip-4mm Jack-Silicon 0.40, 10 cm: (1) Black, (1) Red
(2) Adapter 6mm Spade 4mm-Jack: (1) Black, (1) Red
(2) Lead minipro-J-PVC 0.40, 10 cm: (1) Black, (1) Red
(1) Tweezer Test Lead Set- 4mm P, w/PVC pouch

Specifications

Temperature

-20 to +80 ºC

RoHS (2002/95/EC)

Compliant

MSRP: $278
TL50B

Maxi-Pro DMM Kit

TL50B

  • Complete accessory kit for all your testing needs.
  • Includes soft, flexible silicone lead wire easy movement and Tri-Fold Velcro Pouch for convenient storage.
  • 1000 V, CAT III (600 V, CAT IV)
  • UL Listed test leads
  • Silicone lead wire length 60" (1.5m)
  • Tri-fold Velcro Pouch

MSRP: $133