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

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20M Dual-Channel MDSO USB Bandwidth Digital Storage Oscilloscope + Data Logger
Item Ended
Item condition:
Brand New
23 Dec, 2014 20:41:05 AEDST
AU $99.99
FREE Economy delivery from outside AU | See details
Item location:
Guangzhou, China


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  21 Dec, 2014 21:14:54 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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