MCM Electronics

200MHz 2-Channel Digital Storage OscilloscopeMCM Part #: 72-8380  |  Tenma Part #: 72-8380

200MHz 2-Channel Digital Storage Oscilloscope 3.8 stars from 2 reviews.
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Dual Channel 200MHz Digital Storage Oscilloscope
Compact digital storage oscilloscope provides a cost effective combination of performance and ease of use in a highly portable and compact instrument. and are available with bandwidths from 25MHz to 200MHz.

Product Description

  • Real time sampling rate of 500MS/s
  • Color LCD display
  • Edge, pulse and video triggering on channel CH1 and CH2
  • Rising and falling edge triggering
  • 8 bit A/D converter, two channels sampling simultaneously
  • Separate USB host and device ports
  • RS-232 port
  • See attached owners manual for detailed features and specifications


  • Bandwidth: 200MHz
  • Real time sampling rate: 250MS/s each channel, 500MS/s both channels combined
  • Equivalent sampling rate: 25GS/s


  • Input coupling: AC, DC or Ground
  • Input impedance: 1MΩ ±2%, 18±3pF
  • Probe attenuation: 1x, 10x, 100x, 1000x
  • Max input voltage: 400V (AC + DC peak, 10:1 attenuation)
  • Channel interval : =40:1
  • Channel time delay (typical): 150ps


  • Interpolation: Sine(x)/x
  • Records:
  • Depth: 25K each channel,
  • Length: 2 x 512K
  • Scan range (S/div): 2ns/div-50s/div


  • Analog bandwidth: 200MHz
  • Selectable bandwidth limit: 20MHz


  • Rise time: <1.8ns
  • Trigger sensitivity: DC ~ 10MHz: 0.5div, 10MHz ~ max bandwidth: 1div
  • Trigger level range: Internal: Display center ±10div, External ±1.6V
  • Pre trigger capability: Normal mode / scan mode, pre-trigger / delayed by time trigger
  • Pre-trigger depth is adjustable.
  • Release range: 100ns ~ 1.5s

    Video triggering

  • Trigger sensitivity: Internal: 2div peak value, External: 400mV
  • Trigger type: Supports NTSC and PAL broadcast standards
  • Line range: 1 ~ 525 (NTSC), 1 ~ 625 (PAL)


  • Display: 5.7" color LCD
  • Resolution: 320 x 240 pixels
  • Dimensions: 5.9" (H) x 12.6" (W) x 11.5" (D)
  • Weight: 5.75lbs. (2.6KG)
  • Power Requirements: 100VAC ~ 240VAC, 45Hz ~ 440Hz, 30W

    Device software can be downloaded here: 72-8380 Software (.zip, 12.3Mb)

  • Product Reviews

    • "Good scope, buggy software" by dgille on 6/8/2010
      Overall: 3.5 out of 5

      Have had the opportunity to use the scope over a few weeks. The operation of the standalone functions is very good and very intuitive. I did see some of the the displayed messages as non-obvious (such as function operative status called "OPEN/CLOSED"). The display is very readable and the control panel robust. I like the ability to store setups and screen shots on a USB FLASH drive. Like other Tenma products I own, the software that came with the scope is buggy. Both the virtual panel and the far control app cause Windows crashes and fatal run-time errors. I've notified Tenma tech support with no answer from them in weeks. If you need the remote software, find another scope in the MCM catalog to buy.

    • "Nice Scope" by BarryMead on 10/21/2009
      Overall: 4 out of 5

      I like the ease of use, and rich set of features for this scope. The triggering is wonderful, and the storage scope capability lets me capture one time waveforms nicely. There is only one gripe that I have with this scope. The cursor that allows you to measure time between two marker lines, has a bug in the firmware. There is supposed to be a "Tracking Cursor" mode, but this mode does not work. When you move the horizontal position the cursor lines DO-NOT track with the waveform as you would expect. This makes it very difficult to count clock cycles, or study detailed waveforms the way I want. I hope they have a firmware upgrade soon to fix this bug.

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    Package Specifications & Dimensions
    Warranty:365 days
    Need to Return?
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages

    MCM Cat 57, Page 1254

    MCM Cat 56, Page 1090

    PDF Reference

    Requires Adobe Acrobat Reader.

    Mfr. Info

    Tenma Logo
    Mfr. Name:Tenma
    Mfr. Part Number:72-8380
    Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.
    Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.