OTC 3840 Automotive Lab Scope Oscilloscope Multimeter Diagnostic Tool Made Korea

Check the listing for details.

USD 244.30
Used and tested. Unit powers on and functions properly; buttons, controls, and menu operations respond as expected. Scope and multimeter modes activate normally. Screen shows cosmetic scratches from prior use; does not affect performance. Housing has light wear. Power adapter included. Not recently calibrated.
LocationToms River US
ShippingFree shipping (check listing for details)
Seller secondtimefinds
99.9% positive · 2500 feedback
ListingFixedPrice · Active
Start time2026-01-11T03:41:19.000Z
View on eBay Read review
OTC 3840 Automotive Lab Scope Oscilloscope Multimeter Diagnostic Tool Made Korea Specs
BrandOTC
Oscilloscope TypeAutomotive Lab Scope / Multimeter
Number of Channels2
Model3840
MPN3840
FeaturesAuto Mode, Cursor, Hold Function, Trigger Control
Country of OriginSouth Korea (Republic of Korea)
Listing details

OTC 3840 Automotive Lab Scope & Multimeter Diagnostic Tool – Made in Korea Professional-grade OTC automotive diagnostic scope designed for advanced electrical and sensor testing. The OTC 3840 is a trusted lab scope and multimeter combination used by dealerships and independent repair shops for accurate waveform analysis and vehicle diagnostics. This unit features dual-channel oscilloscope capability along with multimeter functions, making it ideal for diagnosing ignition systems, injectors, sensors, charging systems, and other automotive electrical components. Features & Functions OTC 3840 Automotive Lab Scope & Multimeter Dual-channel oscilloscope (A / B inputs with trigger) Multimeter functions including voltage, millivolts, frequency, duty cycle, and resistance Auto, cursor, hold, and scope measurement controls Large LCD display with soft-key navigation Designed for automotive diagnostics and waveform analysis Made in Korea (quality OTC manufacturing) Included OTC 3840 main diagnostic unit OEM power adapter (OT3840-09) No probes, test leads, manuals, or additional

accessories are included unless shown.