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Extech MS420 20MHz 2 Channel Digital Oscilloscope

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MS420
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Identify, analyze and calculate the frequency of waveforms quickly and easily using an Extech MS420 20Mhz 2 Channel Digital Oscilloscope.

The Extech 2 Channel Digital Oscilloscope has a 97 mm colour LCD display and comes with an auto set function. This particular function optimises the range, time-base, position and triggering and also included is a trigger hold-off function, which all help to ensure that viewing multiple waveforms is not only easy but stable too.

The oscilloscope has a peak function for 50ns glitch capture and an XY mode and FFT function in order to view all component frequencies and there are twenty excellent automatic measurements included with this 2 Channel Digital Oscilloscope; which include, average, cycle, frequency, peak to peak, RMS and then fifteen more valuable measurements. 

The Extech MS420 20MHz Oscilloscope can complete waveform math using addition, subtraction, multiplication and division and there is also an average mode which can be set for smoothing waveforms, as well as a persistence mode which enables users to observe dynamic signals.  True RMS multimeter functions are present in the Digital Oscilloscope and include AC/DC voltage and current, diode, continuity, capacitance and resistance.

The oscilloscope is able to store and recall up to four waveforms and setups and includes USB interface and Windows compatible software, which can be used for transferring waveforms and data from the instrument as and when needed.

Users will receive their 20MHz bandwidth,m 2 Channel Digital Oscilloscope along with a capacitor measuring module, 1 x / 10 x scope probes, AC adapter and charger, adjustment screwdriver, test leads and a solid case in which to carry the 180 x 113 x 40 mm oscilloscope in. 

Extech MS420 20MHz 2 Channel Digital Oscilloscope Key Features

  • Auto-set function optimizes the position, range, timebase, and triggering to assure a stable display of waveforms
  • Peak Detect function for 50ns glitch capture
  • XY Mode and FFT function to view component frequencies
  • Twenty Automatic Measurements including Frequency, Cycle, Average, Peak to Peak, RMS and more
  • Waveform Math: Add, Subtract, Multiply, and Divide
  • Average Mode for smoothing waveforms
  • Persistence Mode for observing dynamic signals
  • Store and recall up to 4 waveform screens and setups
  • USB interface and software for transferring waveforms and data

Full List of Products Included

  • Extech MS420 20MHz 2 Channel Digital Oscilloscope
  • 2 x 1X/10X Oscilloscope Probes
  • Test Leads
  • USB Software and Cable
  • Capacitor Measuring Module
  • Adjustment Screwdriver
  • AC Adapter/Charger
  • Hard Carrying Case

Extech MS420 Technical Specifications

Oscilloscope Functions  
Display Size 3.8" (96mm) color LCD; 320 x 240 pixels
Bandwidth 20MHz
Real Time Sample Rate 100MS/s
Risetime 17.5ns
Channels 2
Record Length 6K points per channel
Glitch Capture 50ns
Vertical Sensitivity 5mV to 5V/div
Vertical Resolution 8bits
Timebase Range 5ns to 5s/div
Sample Mode Sample, Average, Peak Detect
Trigger Modes Free Run, Single Shot, Edge, Video
Trigger Source CH1, CH2
Trigger Coupling AC, DC
Input Impedance 1MΩ/20pF
Max Input Voltage 400V Peak
Cursor Measurement Voltage and time
True RMS Multimeter Functions  
AC/DC Voltage 400mV, 4V, 40V, 400V
AC/DC Current 40mA, 300mA, 20A
Resistance 400Ω, 4kΩ, 40kΩ, 400kΩ, 40MΩ
Capacitance 51.2nF to 100μF
Diode and Continuity Yes
PC Interface USB Cable
Power Supply 6 hours Li-ion rechargeable battery; AC Adaptor/Charger
Dimensions/Weight 7 x 4.4 x 1.6" (180 x 113 x 40mm) / 24.3oz (690g)
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Additional Information
SKU MS420
Manufacturer Part Code MS420
Model Ref Extech MS420
Country of Origin China

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