EXTECH MS420 Handheld Digital Oscilloscope Bandwidth (MHz) 20 MHz 2 Channels 3.8 in colour LCD Display True RMS Yes Sampling Rate 100 MS/s 5 nsec to 5 sec/div Max/Min. Sweep Speed 4 Waveform / Measurement Stored Max Record Length 6k/ Channel Cursors and Zoom Cursors Single Triggering Mode Input Sensitivity 5 mV/Div to 5 V/Div Yes Persistence Glitch Capture 50 nsec Capacitance Measurements Yes USB Interface Safety Rating CAT II 400V Rechargeable Li-Ion Battery Type Battery Life 4 hr
Support
Frequently Asked Questions
Shipping
How long is the lead time for this product?
Lead times vary depending on stock availability, supplier location and freight method.
Orders processed here will take 10 - 14 business days to arrive. Overseas deliveries can take anywhere from 14 - 21 days.
Estimated lead time for this product: 8 Days.
Do you ship overseas?
At this time, our shipping is limited to Australia only.
Can I return my product?
We always aim for make sure our customers love our products, but if you do need to return an order, we’re happy to help. Just email us directly and we’ll take you through the process.
View our refund and return policy here
What shipping carriers do you use?
We use suitable freight partners based on item size, weight, urgency and destination.
View our Shipping Policy here
Product
Can I get my product personalised?
It depends on the creator and the product. All options are outlined on the product page, so look out for customisation options there.

