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Fluke 120B Series 20 MHz Handheld Digital Oscilloscope -123B/UK/S, Lithium-Ion Battery, TFT Colour Display FLUKE-123B/UK/S

Category Oscilloscope Brand FLUKE Condition New

Specifications

Country of Origin Romania
Display Type TFT Colour
Brand Fluke
Battery type Lithium-ion
Height 259mm
Model FLUKE-123B/UK/S
Depth 55mm
Width 132mm
Bandwidth 20MHz
Series 120B
Plug Type UK
Rise Time 17.5ns
Interface Type RS232
Oscilloscope Type Handheld
Minimum Vertical Sensitivity 5mV/div
Standards/Approvals EN 61010-1
Safety Category Level CAT II, CAT III
Safety Category Voltage 1000V
Oscilloscope Form Digital
Minimum Time Base 1ms/div
Maximum Vertical Sensitivity 500V/div
Fluke 120 Series 123 Oscilloscope Probe, 20MHz, BNC ConnectorBrand Fluke

Key Features

  • Portable handheld oscilloscope suitable for on-site signal inspection.
  • 20 MHz bandwidth supports low-frequency and high-voltage waveform analysis.
  • 17.5 nanoseconds rise time enables precise edge measurement capabilities.
  • Wide vertical sensitivity range from 5 mV/div to 500 V/div accommodates both low and high amplitude signals.
  • Lithium-ion battery provides extended field operation without mains power.
  • Data export and remote control via RS232 port for integration with external recording or analysis devices.
  • CAT II and CAT III safety ratings ensure safe operation on industrial and commercial circuits.

Product Description

The Fluke FLUKE-123B/UK/S is a professional handheld digital oscilloscope, engineered for field technicians and engineers needing reliable signal diagnostics in diverse industrial environments. Featuring a 20 MHz bandwidth and a high-resolution TFT colour display, this oscilloscope enables clear visualization of waveforms for troubleshooting and maintenance tasks.

The instrument incorporates a rapid 17.5 nanoseconds rise time for accurate edge measurement, supporting both detailed analysis of fast transients and steady signals. Its vertical sensitivity spans from 5 mV/div up to 500 V/div, making it ideal for both low-amplitude and high-voltage applications in power electronics and industrial control circuits.

Powered by an internal lithium-ion battery, the oscilloscope delivers mobility and flexibility for extended field work without the need for continuous AC mains supply. Integrated RS232 interface facilitates seamless data export and device control, allowing for advanced analysis and remote recording when paired with compatible external equipment.

Safety is paramount, with CAT II and CAT III ratings conforming to EN 61010-1 standards. This ensures protection for users working across a range of electrical environments, including industrial automation, commercial maintenance, and laboratory settings.

Applications are broad, ranging from troubleshooting control systems, verifying sensor networks and signal integrity, supporting educational laboratories in waveform study, and servicing power electronics. The oscilloscope is supplied ready for use with essential accessories such as a rechargeable Li-ion battery pack, charger/power adapter, shielded test leads with ground leads, black test lead, red and blue hook clips, banana to BNC adapter, carry case, FlukeView for Windows software, magnetic hanger, and screen protector.

Rugged and ergonomically designed, the FLUKE-123B/UK/S ensures reliable performance for both portable test kits and laboratory bench applications, making it an essential tool in the toolkit of service engineers and technical professionals.

Browse more Fluke Oscilloscopes and industrial testing instruments in the EnvMart category for a variety of applications in industrial, laboratory, and commercial environments.

Fluke 120B Series 20 MHz Handheld Digital Oscilloscope -123B/UK/S, Lithium-Ion Battery, TFT Colour Display FLUKE-123B/UK/S
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Frequently Asked Questions

This model features a bandwidth of 20 MHz, suitable for low-frequency and high-voltage waveform analysis.

It has a rise time of 17.5 nanoseconds, enabling precise edge measurement capabilities.

The vertical sensitivity ranges from 5 mV/div to 500 V/div, accommodating both low and high amplitude signals.

It is equipped with a TFT colour display for clear visualization of waveforms.

It has CAT II and CAT III safety ratings, conforming to EN 61010-1 standards, ensuring safe operation on industrial and commercial circuits.

This unit is powered by a lithium-ion battery, providing extended field operation without mains power.

It includes an RS232 interface for data export and remote control, allowing integration with external recording or analysis devices.

The dimensions are 259 mm in height, 132 mm in width, and 55 mm in depth.

It is suitable for troubleshooting control systems, verifying sensor networks, and servicing power electronics, among other applications.

It comes with essential accessories such as a rechargeable Li-ion battery pack, charger, test leads, and FlukeView software, among others.

The minimum time base is 1 ms/div, allowing for detailed time measurements in signal analysis.

The oscilloscope is manufactured in Romania.

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