Extech ET-MS420

The Extech MS420 is a 20 MHz dual-channel digital oscilloscope with a 3.8 inch (97 mm) color LCD display.

• 20 MHz bandwidth
• 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
• Trigger Holdoff function stabilizes complex waveforms 
• 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

Oscilloscope specifications:

• 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: 1MΩ/20pF
• Max Input Voltage: 400V (peak)
• Cursor Measurement: Voltage and time

Multimeter specifications:

• 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