Fluke 120B Series, 20 MHz Handheld Oscilloscope, 2 Channels, RSCAL

RS Stock No.:: 919-6706
Mfr. Part No.:: FLUKE-123B/UK
Brand:: Fluke

Fluke 120B Series, 20 MHz Handheld Oscilloscope, 2 Channels, RSCAL

Subtotal (1 unit)*

£2,184.00

(exc. VAT)

£2,620.80

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

17 unit(s) ready to ship
Plus 2 unit(s) shipping from 05 August 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£2,184.00

*price indicative

Don't forget your Probe

Whatever Oscilloscope you're in the market for, we have the probe to match.

Shop our full range of Probes here

RS Stock No.:: 919-6706
Mfr. Part No.:: FLUKE-123B/UK
Brand:: Fluke

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Fluke
	Product Type	Oscilloscope
	Bandwidth	20MHz
	Number of Channels	2
	Oscilloscope Type	Handheld
	Oscilloscope Form	Digital
	Interface Type	CAN, RS232, RS422, RS485, USB
	Screen Size	5.7 in
	Series	120B
	Width	55mm
	Height	55mm
	Depth	132mm
	Standards/Approvals	IEC 61010-2-033, IEC 61010-4
	Minimum Vertical Sensitivity	5mV/div
	Maximum Time Base	500ns/div
	Calibrated	RSCAL
	Battery Type	Lithium-ion
	Rise Time	8.75ns
	Maximum Vertical Sensitivity	200V/div
	Display Type	TFT Colour
	Battery Life	7h
	Safety Category Level	CAT III, CAT IV
	Safety Category Voltage	600, 750V
	Minimum Time Base	20ns
	Power Source	Battery
	Plug Type	UK

	Select all
	Brand Fluke
	Product Type Oscilloscope
	Bandwidth 20MHz
	Number of Channels 2
	Oscilloscope Type Handheld
	Oscilloscope Form Digital
	Interface Type CAN, RS232, RS422, RS485, USB
	Screen Size 5.7 in
	Series 120B
	Width 55mm
	Height 55mm
	Depth 132mm
	Standards/Approvals IEC 61010-2-033, IEC 61010-4
	Minimum Vertical Sensitivity 5mV/div
	Maximum Time Base 500ns/div
	Calibrated RSCAL
	Battery Type Lithium-ion
	Rise Time 8.75ns
	Maximum Vertical Sensitivity 200V/div
	Display Type TFT Colour
	Battery Life 7h
	Safety Category Level CAT III, CAT IV
	Safety Category Voltage 600, 750V
	Minimum Time Base 20ns
	Power Source Battery
	Plug Type UK

RoHS Status: Exempt

COO (Country of Origin):: CN

Fluke 120B Series Oscilloscope, 20 MHz Bandwidth, 5.7 inches Screen size - FLUKE-123B/UK

This handheld digital oscilloscope offers a Compact and portable solution for electrical and electronics professionals. With a bandwidth of 20MHz and a weight of 1.4kg, it is designed for ease of use on the go. The device features a 5.7-inch TFT colour display, making it easy to view signals under various lighting conditions. Its dimensions measure 259 x 132 x 55 mm, and it operates effectively on a rechargeable lithium-ion battery, providing up to 7 hours of usage.

Features & Benefits

• Dual analogue channels support simultaneous signal analysis
• 400 Ksps sample rate provides high-resolution waveform capture
• Digital sampling oscillation enhances accuracy in diagnostics
• USB connectivity allows easy data transfer and logging
• Compact design facilitates portability for fieldwork
• Strong safety ratings with CAT IV 600V and CAT III 750V ensure reliable performance

Applications

• Used for testing control systems and industrial automation
• Ideal for troubleshooting electrical circuits in field settings
• Utilised for signal integrity analysis in electronic devices
• Effective for maintenance tasks in mechanical systems
• Used in research and development for electronics

What type of input impedance does this oscilloscope support?

It has an input impedance of 1 MΩ, which is standard for digital oscilloscopes, facilitating accurate signal capture with minimal loading effects on the circuit under test.

How long does the battery last on a full charge?

With a fully charged lithium-ion battery, it can operate for up to 7 hours, ensuring extended periods of use without the need for frequent recharging.

What is the maximum vertical sensitivity offered?

The oscilloscope can achieve a maximum vertical sensitivity of 200 V/div, enabling detailed observation of high voltage signals easily within the device's range.