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Details about  20M Dual-Channel MDSO USB Bandwidth Digital Storage Oscilloscope + Data Logger

20M Dual-Channel MDSO USB Bandwidth Digital Storage Oscilloscope + Data Logger

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AU $99.99
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Item location:
Guangzhou, China
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International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
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Last updated on  07 Oct, 2014 14:38:25 AEDST  View all revisions

Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition

20M Dual-Channel MDSO USB Bandwidth Digital Storage Oscilloscope + Data Logger #B244A



  • Sleek design, compact, USB2.0 interface, no external power source.
  • More suitable for notebook computer, product line maintenance, easily on business.
  • Small size (mm): 80 (L) x65 (W) x25 (H), easy to carry.
  • The high refresh rate, high sampling rate, 48MS / s real-time sampling.
  • Software support: Windows XP (SP3), Win7 (32-bit), Win7 (64-bit).
  • Waveform add, subtract, multiply, X-Y.
  • Waveform data can be time and voltage output to EXCEL, BMP, OSC.
  • FFT spectrum analysis.
  • A computer can connect many DSO.
  • Secondary development libraries, the development of the VC example.
Technical Specifications
Digital oscilloscope
Channels 2
Impedance 1MΩ 25pF
Coupling DC
Vertical resolution 8Bit
Gain range 10mV-5V(probe X1)
DC accuracy ±3%
Timebase range 10ns-1s
Input Protection Diode50Vpk
Autoset Yes(1Hz to 20MHz)
Trigger Mode AutoNormal and Signal
Trigger Type NoRising edgeFalling edge and edge
Trigger level Yes
Trigger Source CH1, CH2
Buffer Size 1KB-1024KB/CH
Bandwidth DC to 20MHz
Max sample 48MS/s
Vertical mode CH1, CH2, ADD, SUB, MUL
Display Mode XY-TX-Y
measurements Yes
Wave save Osc(Private)Excel and Bmp


Spectrum analyzers
Channels 2
Bandwidth 20MHz
Algorithm FFT(18 windows)correlationpower spectrum
FFT points 8-1048576/CHN
Filter processing FIR (Rectangle, Hanning, Hamming, Blackman 18), IIR (Butterworth, cut Chebyshev I cut Chebyshev II oval)
The waveform save the format Osc (private), Excel and Bmp
Supporting S/W CD, probes, manual, USB cord


Data recorder
Channel  2
Impedance 1MΩ 25pF
Coupling DC
Vertical resolution 8Bit
Gain range 10mV-5V(probe X1)
Sample 250K~24M Hz (Specific speed with computer-related)
Save File The maximum 4G, recording time associated with the sampling rate
Package List:

1* Data acquisition module; (LWH Dimensions: 8cm * 6.5cm * 2.5cm)

1* USB2.0 extension cord

2* 40M standard oscilloscope probe

1* Multi-function virtual signal analyzer software and manual (CD)

Picture Show (Software interface):            ------------------------The software has both Chinese and English, where show Chinese
(1)Interface software start

 (2)Data logger interface

 (3)The data logger twice data at the same time loaded

 (4)Test 10Mhz sine wave signal

 (5)Test 1MHz square wave signal

 (6)Test 100KH sawtooth signal

 (7)Voltmeter and frequency



MDSO dual-channel digital oscilloscope, with "low-cost, high-performance" as the design goals. well-designed bandwidth of 20M, 48M sampling rate, 2 channels, alternating support X, Y and XY alternating pattern of two-channel virtual oscilloscope, spectrum analyzer and data recorder.

Powerful analysis function :

Support any multi-screen display, Easy to Variety of analysis;

Support the input waveform interpolation;

Support the input waveform, "add", "subtraction" and "multiplication" synthesis;

Support the input waveform plus Rectangle, bartlett, triangular, cosine, hanning, bartlett_hanning, hamming, blackman, blackman_Harris, tukey, Nuttall, FlatTop, Bohman, Parzen, Lanczos, kaiser, gauss, dolph_chebyshev 18 kind of window;

Support the input waveform filtering and design filter;

Support the input waveform, "Lissajous", "Amplitude", "phase", "log Amplitude", "self-power spectrum", "log self-power spectrum" ,"cross-power spectrum", "log cross-power spectrum" ,"auto-correlation" and "cross-correlation "analysis;

Support under logarithmic coordinate system, the input waveform, "Amplitude", "phase", "log Amplitude", "self-power spectrum", "log self-power spectrum" ,"cross-power spectrum", "log cross-power spectrum" ,"auto-correlation" and "cross-correlation "analysis.

Powerful data recorder function:

Support continuous data collection and storage, and can move, zoom, view global data, and compare multiple data collection;

High-speed USB2.0 for fast transfer, unlimited long the collected data, records into files for easy viewing and analysis of collected data;

24M of continuous recording up to meet the capture function of the general agreement, such as SPI, IIC, UART, etc.

Feature Description

Oscilloscope / spectrum analyzer:

Bandwidth 20M

Sample 48M

Channel 2

Input voltage range [-50V,+50V](With probe X10)

Memory depth 1M*2

AD Bit 8

Software trigger rising, falling, rising / falling, differential, rising / falling+differential

Analysis Waveform Synthesis: Add, subtract, multiply;

Filter processing: IIR filter support "Butterworth", "Chebyshev I", "Chebyshev II", "Elliptic" type of filter design; FIR filter supports arbitrary range of frequency sampling method , and Rectangle, bartlett, triangular, cosine, hanning, bartlett_hanning, hamming, blackman, blackman_Harris, tukey, Nuttall, FlatTop, Bohman, Parzen, Lanczos, kaiser, gaussand dolph_chebyshev, window method design.

Waveform analysis: Lissajous, "Amplitude", "phase", "log Amplitude", "self-power spectrum", "log self-power spectrum" ,"cross-power spectrum", "log cross-power spectrum" ,"auto-correlation" and "cross-correlation ".

Capture frame Continuous function of captuer the frame

Note: Due to computer USB voltage differences, the oscilloscope measurement results may have some bias, needs your own manual calibration, the specific reference to the oscilloscope use.

data recorder:

Sample 0.25M~24M

Channel 2

Input voltage range [-50V,+50V](With probe X10)

AD Bit 8

Data View The stored data can be continuous, and support global, zoom and move the viewing.

Note: The specific speed recorder with computer processing speed, and if use high sampling rate, the situation may break.


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  • Payment must be made within 7 calendar days of the auction end time. Non-Paying bidders will be reported.
  • We reserve the right to cancel your order if the payment is not made within 8 calendar days of checkout.

Delivery details

  • Item will be shipped within 24 hours on payment received from China using Airmail.
  • Only shipped to buyer's PayPal address, please confirm with your PayPal address before you bid.
  • Delivery time depends on destination and other factors, it may takes up to 30 business days.We are not responsible for any custom duty or import tax, you need to pay for the return shipping fee if you don't custom clearance on time.
  • Optionally, Express Shipments with tracking service via EMS/DHL/UPS with a quoted delivery time of 5 to 7 business days is also available . 
  • Here is the estimated time for your reference only:
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    About us

    As such we are different to traditional international traders / wholesale distributors, because we don't believe in a secret system of memberships, red tape, or contracts designed to make life more difficult for everyone.
    We just think anyone should be able to order electronics direct from China, and that it should be easy to get hold of the great products that are being produced over here at excellent low prices.
    The huge majority of our frequently asked questions are simply from people who can't believe they can just place orders online and get wholesale orders delivered. But there are no hidden catches: anyone, anywhere, can just register for free, no need to wait for approval, and can start ordering straight away.
    We buy exclusively from Chinese manufacturers in Shenzhen, Guangzhou and greater Guangdong Province. We offer you a wide-selection of consumer electronic products — you’ll find everything from the hottest leading-edge products to the hard-to-find products right here at your fingertips.
    Wherever you are, this is the worldwide web's best, simplest, most reliable way to access the Chinese electronics market.

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    On 30-Jul-14 at 00:30:18 AEST, seller added the following information:

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    Postage and handling

    Item location: Guangzhou, China
    Posting to: Worldwide
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    Return policy

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    Return policy details
    All deals are final. The Return Policy is 30-Day-Exchange. We accept return for exchange only because the item is defective. In this case, it needs to be sent back to us within 14 days after receipt. The item must be in its original conditon and inlcudes all accessories. We don't accept return due to any other reasons. Buyer pays the shipping back cost.

    Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased if the goods are faulty, not fit for purpose or don't match description. More information at returns - opens in a new window or tab.

    Payment details

    Payment method Preferred/Accepted  
    Credit or debit card through PayPal

    Seller's payment instructions

    We only accept PayPal. Payment must be made within 7 calendar days of the auction end time. Non-Paying bidders will be reported. We reserve the right to cancel your order if the payment is not made within 8 calendar days of checkout. Buyer is responsible for local customs taxes and clearance, if applicable. We are not responsible for any delay by customs.

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