Extech MS420 20MHz 2-Channel Digital Oscilloscope

Dual-channel Oscilloscope with 3.8" (97mm) color LCD display makes viewing multiple waveforms easy.

• 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
• Five Automatic Measurements: Frequency, Cycle, Average, Peak to Peak, RMS
• 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
• Dimensions: 7×4.4×1.6”(180x113x40mm)
• Complete with two 1X/10X oscilloscope probes, test leads, Windows 95/98/NT/2000/ME/XP compatible USB software and cable,current shunt, capacitor measuring module, adjustment screw driver, Universal AC adapter/ charger, and hard carrying case.

• Industrial
• Electronic test
• Field Checks/ Maintenance
• Dual Trace Testing
• Troubleshooting

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: 8 bits
• 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: 1MOhm/20pF
• Max Input Voltage: 400V (peak)
• Cursor Measurement: Voltage and timeTrue RMS MultiMeter Functions
• AC/DC Voltage: 400mV, 4V, 40V, 400V
• AC/DC Current :40mA, 300mA, 20A
• Resistance: 400 Ohm, 4 kOhm, 40 kOhm, 400 kOhm, 40 MOhm
• 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)

• Extech MS420 Data Sheet.pdf
• Extech MS420 User’s Manual.pdf