Digital Oscilloscope features 3.8 in. color LCD display.

Press Release Summary:

Offering 5 automatic measurements (Frequency, Cycle, Average, Peak to Peak, and RMS), 20 MHz dual-channel Model MS420 features auto-set function that optimizes position, range, timebase, and triggering to assure stable display of any waveform. It utilizes Peak Detect function for 50 nsec glitch capture XY mode, Average Mode for smoothing waveforms, and Persistence Mode for observing dynamic signals. Unit can store and recall up to 4 waveform screens and setups.

Original Press Release:

Extech Instruments Announces MS420: 20 MHz 2-Channel Digital Oscilloscope

Dual-channel Oscilloscope with 3.8" color LCD display

Extech Instruments, a major supplier of test and measurement equipment for the industrial marketplace, announces its new Model MS420 Dual-channel digital oscilloscope. Ideal for the electronics industry, the Model MS420 makes viewing multiple waveforms easy and features an auto-set function that optimizes the position, range, timebase and triggering to assure a stable display of virtually any waveform.

The Model MS420 features five automatic measurements (Frequency, Cycle, Average, Peak to Peak, and RMS), and utilizes a Peak Detect function for 50ns glitch capture XY mode. The Model MS420 contains an Average Mode for smoothing waveforms and a Persistence Mode for observing dynamic signals. Additionally, the Model MS420 can store and recall up to four waveform screens and setups. The oscilloscope's Waveform Math feature allows users to Add, Subtract, Multiply and Divide, and the unit utilizes a USB interface and software for transferring waveforms and data.

With a bandwidth of 20MHz. and a maximum input voltage of 400V, the Model MS420 comes complete with two 1X/10X oscilloscope probes, test leads, Windows® 95/88/NT/2000/ME/XP compatible USB software and cable, current shunt, capacitor measuring module. Adjustment screw driver, universal AC adaptor/charger, and hard carrying case.

For more information on the Model MS420 or other Extech products, visit

About Extech Instruments

Headquartered in Waltham, Massachusetts, Extech Instruments is one of the largest suppliers of test and measurement equipment worldwide. Founded in 1971, Extech is known for its depth and breadth of products and its innovation in providing instruments with unique combinations of features that make them highly useful and very convenient. All Extech meters are distributed worldwide through leading representatives, distributors and OEMs. The company is ISO 9001 2000 certified.

For further information about Extech Instruments and its products, call 781-890-7440 or visit

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