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Extech MS420 Digital Oscilloscope, 2 Channel, 20MHz-


Extech MS420 Digital Oscilloscope, 2 Channel, 20MHz

Model: MS420

Sale Price $1129.50 CAD
Regular Price $1255.00 CAD
Availability 2 to 3 Weeks

Extech MS420 Offers

Extech's MS420 20 MHz 2-Channel Digital Oscilloscope offers a range of capabilities for effective troubleshooting of electronics and electronically controlled electrical systems. With 20 MHz bandwidth and conveniences like auto-set which optimizes the position, range, time base, and triggering to assure a stable display of virtually any waveform, the MS420 can be used in field repairs or bench duty. To identify subtle problems, Peak Detect features a fast 50 ns glitch capture. Core functions like XY Mode, FFT function, Trigger Hold off, Waveform Math, Averaging Mode and Persistence Mode all ensure you can confidently troubleshoot problems using a variety of approaches. To start up recurring testing routines, you can store and recall up to 4 waveform screens and setups to save time from job to job. This CAT II-rated oscilloscope extends its functionality with complete DMM functions that are displayed on the large 3. 8" (97mm) color LCD display.


  • 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


  • Electronic Troubleshooting
  • Controlled Electrical System Repair
  • OEM
  • Plant Maintenance

Extech MS420 Specifications

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
Click here for complete specifications on the Extech MS420

What's Included with the Extech MS420

  • 2- 1X/10X Oscilloscope Probes
  • Test Leads
  • Windows 95/98/NT/2000/ME/XP Compatible USB Software and Cable
  • Capacitor Measuring Module
  • Adjustment Screwdriver
  • AC Adaptor/Charger
  • Hard Carrying Case

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