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EXTECH MS420 Portable Handheld Digital Oscilloscope - Portable Handheld Digital Oscilloscopes
EXTECHPortable Handheld Digital Oscilloscopes

EXTECH MS420 Portable Handheld Digital Oscilloscope

The EXTECH Handheld Digital Oscilloscope (MPN MS420) is a portable handheld digital oscilloscope with a fully isolated, true RMS design. It features a 100 MS/s sampling rate, 6,000 data points per channel memory…

SKU 3G-OTH-170065

Also listed as: MS 420 · MS-420

Brand
EXTECH
Item
MS420 Portable Handheld Digital Oscilloscope
Category
Portable Handheld Digital Oscilloscopes
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

EXTECH
Manufacturer Part Number
MS420
Type
Oscilloscopes, Fully Isolated, USB
Includes
Test Leads
Interface
USB
Body Style
Handheld
Key Features
Data Logging
Memory Depth
6,000 Data Points Per Channel
Power Source
AC Adapter
Product Type
Portable Handheld Digital Oscilloscopes
Sampling Rate
100 MS/s
Triggering Mode
Single
CAT Safety Rating
CAT II 400V
AC Magnitude Calculation
True RMS
Channel Source Isolation
Fully Isolated
Basic AC Current Accuracy
±1.50% ±3 Digits
Basic AC Voltage Accuracy
±1% ±3 Digits
Basic DC Current Accuracy
±1.50% ±1 Digits
Basic DC Voltage Accuracy
±1% ±1 Digits
Digital Display Screen Type
LCD
Calibration Certificate Type
Not Included

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH Handheld Digital Oscilloscope (MPN MS420) is a portable handheld digital oscilloscope with a fully isolated, true RMS design. It features a 100 MS/s sampling rate, 6,000 data points per channel memory depth, single triggering mode, and a CAT II 400V safety rating. The unit includes test leads, offers USB interface and data logging, and operates via AC adapter with a basic DC voltage accuracy of ±1% ±3 digits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the EXTECH Handheld Digital Oscilloscope MS420 used for?

The EXTECH MS420 is a portable handheld digital oscilloscope used for field-service and lab troubleshooting of electronic circuits. Its fully isolated, true RMS design and CAT II 400V safety rating make it suitable for industrial maintenance, electrical diagnostics, and data logging across plant-floor and HVAC applications.

What are the specifications of the EXTECH MS420 oscilloscope?

The EXTECH MS420 features a 100 MS/s sampling rate, 6,000 data points per channel memory depth, single triggering mode, and USB interface. It offers basic DC voltage accuracy of ±1% ±3 digits, basic AC voltage accuracy of ±1% ±3 digits, and true RMS AC measurement. Power is via AC adapter.

Where to buy the EXTECH MS420 oscilloscope worldwide?

3G Electric supplies the EXTECH MS420 handheld oscilloscope to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this portable, fully isolated oscilloscope.

How to maintain the EXTECH MS420 handheld oscilloscope?

To maintain the EXTECH MS420, keep the unit clean and dry, store it in its case when not in use, and avoid exposing it to extreme temperatures or moisture. Calibrate the oscilloscope annually per manufacturer guidelines to ensure ±1% ±3 digits DC voltage accuracy. Use only the supplied AC adapter and test leads.

Used in

Common applications for EXTECH
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Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH portable handheld digital oscilloscopes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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