Extech MS420 Digital Oscilloscope

Overview

The Extech MS420 is a portable 2-channel digital oscilloscope with 20MHz bandwidth and 3.8-inch color LCD display. It combines oscilloscope and multimeter capabilities in a compact handheld format, ideal for field service and troubleshooting applications requiring both waveform analysis and electrical measurements.

Key Features

• 20MHz bandwidth with dual-channel simultaneous testing
• 3.8-inch color LCD display for clear waveform visualization
• Auto-set function optimizes display settings for any waveform
• Peak Detect function captures glitches as fast as 50ns
• Five automatic measurements: frequency, cycle, average, peak-to-peak, RMS
• Waveform math with add, subtract, multiply, and divide operations
• Persistence mode for observing dynamic signals
• Store and recall up to 4 waveform screens and setups
• Integrated multimeter functions
• USB interface with software for data transfer

Applications

• Portable field service and troubleshooting
• Bench-top testing and signal analysis
• Electrical system diagnostics
• Equipment maintenance and repair

Included Accessories

• Two 1X/10X oscilloscope probes
• Test leads
• USB software and cable for Windows 95/98/NT/2000/ME/XP
• Current shunt
• Capacitor measuring module
• Adjustment screwdriver
• Universal AC adapter/charger
• Hard carrying case