Advanced Test and Measurement
Instruments and Power Supplies

Fluke 120B Series

Dual input ScopeMeter 20 or 40MHz models

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The compact ScopeMeter® 120B Series is the rugged oscilloscope solution for industrial electrical and electro-mechanical equipment troubleshooting and maintenance applications. It’s a truly integrated test tool, with oscilloscope, multimeter and high-speed recorder in one easy-to-use instrument. The ScopeMeter 120B Series also integrates with Fluke Connect® mobile app and FlukeView® for ScopeMeter software to enable further collaboration, data analysis and archiving of critical test information.

  • Dual-input digital oscilloscope and multimeter
  • 40 MHz or 20 MHz oscilloscope bandwidth
  • Two 5,000-count true-rms digital multimeters
  • Connect-and-View™ trigger simplicity for hands-off operation
  • IntellaSet™ technology automatically and intelligently adjusts numerical readout based on the measured signal
  • Dual-input waveform and meter reading recorder for trending data over extended periods
  • Recorder Event Detect captures elusive intermittent signals on repetitive waveforms up to 4 kHz
  • Shielded test leads for oscilloscope, resistance and continuity measurements
  • Resistance, continuity, diode and capacitance meter measurements
  • Power measurements (W, VA, VAR, PF, DPF, Hz)
  • Voltage, current and power harmonics
  • Check Industrial networks with BusHealth physical layer tests against defined reference levels
  • Save or recall data and instrument setups
  • Store instrument setups defined by a test sequence for routine maintenance or most often used test procedures.
  • External optically isolated USB interface to transfer, archive and analyze scope or meter data
  • Optional WiFi adapter connected to internal USB port to wirelessly transfer information to the PC, laptop or Fluke Connect® mobile app
  • FlukeView® ScopeMeter® Software for Windows®
  • Rugged design to withstand 3g Vibration, 30g shock, and rated IP51 according to EN/IEC60529
  • Highest safety rating in the industry: safety rated for CAT IV 600 V
  • Li-Ion rechargeable battery, seven-hours operation (with four-hour charge time)

Product Variants

Model Price


Dual input ScopeMeter 20MHz


Dual input ScopeMeter 20MHz, with soft case and FlukeView software


Dual input ScopeMeter 40MHz


Dual input ScopeMeter 40MHz, with soft case and FlukeView software


Dual input ScopeMeter 40MHz, with Power and Harmonics, Bus Health


Dual input ScopeMeter 40MHz, with soft case and FlukeView software
No options were found. Sometimes this is because the options list is too extensive and complex to list. Please refer to the data sheet and contact us if you can't find what you're looking for.
Series Model Price
AC/DC Current Clamp (100 A)
Soft carrying case for 120B series ScopeMeters
AC Current Clamp (1000 A)
AC/DC Current Clamp (1000 A)
AC Current Clamp (3000 A)
i3000s flex-24
AC Flexible Current Clamp (3000 A), 610 mm
i3000s flex-36
AC Flexible Current Clamp (3000 A), 915 mm
AC/DC Current Clamp (30A)
AC/DC Current Clamp (300A)
AC Current Clamp (400A)
AC/DC Current Clamp (400 A)
AC Current Clamp (5 A)
Software Soft Carry Case accessory kit for 120B series ScopeMeters
Screen protector for 120B series ScopeMeters
Shielded Test Lead set 600V CAT IV
Voltage probe set 40 MHz 600V CAT IV
Embedded thumbnail for Fluke 120B Series Industrial ScopeMeter® Hand-Held Oscilloscopes Overview

Fluke 120B Series Industrial ScopeMeter® Hand-Held Oscilloscopes Overview