GuideBuilder 2.0 Serial number with patch


SainSmart DDS-140 is a cost-effective oscilloscope. SainSmart DDS-140’s excellent industrial design aluminium case which is not only beautiful and tasteful but also greatly enhance the hardness of aluminum alloy surface, and has good heat resistance and strong wearability. Comparing with traditional expensive and heavy oscilloscope, SainSmart DDS-140 is the best choice for you.

DDS-140 takes operation of traditional  oscilloscope operation and part function of display transfer drawing into the  computer by the software to achieve. As long as the DDS-140 device via USB  cable into your compute, it will form a complete oscilloscope test system after  running the software.

Hardware Features:

  • Optional signal generator function
  • Optional logic analyzer function  
  • Real-time sampling rate up to 200M hz
  • Recommended input: 1 30M hz
  • 10kV ESD protection  
  • 10 times over voltage protection
  • DC-coupled and AC-coupled input
  • Computer USB supply power directly
  • 1K HZ square wave signal output

Software features:

  • Support XPWin8 series of operating system  
  • Software interface could be combined with the third party software
  • Waveform recording and continuous playback as well as specified frame playback functions by frame-by-frame
  • Input channel arithmetic and FFT analysis
  • Anti-aliasing features of waveform drawing to reduce rendering errors further
  • Memory unction of user personalization settings  
  • The rapid completion of the mouse to control the trigger function settings






USB 2.0

Number of Channels




Maximum sampling rate

200M sps (single), 100M sps (dual channel)

Vertical resolution

8 bit


1K Hz, 3.25V level standard reference square wave output

Voltage range

±5v,can be extended to ± 50v through X10 table pen, extended to ± 500v through X100 table pen 

Noise size


1v/div Stalls


500mv/div Stalls


200mv/div Stalls


100mv/div Stalls


50mv/div Stalls

Trigger coupling

AC AC-coupled, DC DC-coupled

Triggering conditions

Trigger level + rising / falling-edge trigger


Auto, Normal and Single Trigger

Input impedance

1M / 25pf

Memory Depth

64k Byte


< 2 W



Automatic measurement

Maximum, minimum, peak to peak, frequency, average, RMS, rise time, Positive Width, Negative Width, Duty Cycle


12 cm X7.5 cm X2.5 cm



  • Site engineer travel to debug
  • AE engineers diagnose equipment and solve the problem for customer on-site
  • Electronics Engineer develop tools, save money and desktop space
  • The ideal partner of electronic enthusiasts for their amateur making
  • Fault diagnosis equipment for repair personnel Demonstration Teaching Laboratory aids of colleges and Universities
  • Automatic test equipment for production



SainSmart DDS140

SainSmart DDS120

Hantek 6022BE


2 Channels





Input Impedance

1MΩ 25pF



Max. Sample rate




Vertical resolution


DC accuracy


Vertical adjustable




Input protection

Diode clamping







Trigger Mode

Auto, Normal and Single

Trigger Slope




Trigger level adjustable


Trigger Type




Trigger Source

CH1, CH2



Pre/Post trigger




Sampling selection




Waveform Display

port/line, waveform average, persistence,    intensity





Vertical mode

CH1, CH2, Dual, ADD



Cursor measurement





FFT, addition, subtraction, multiplication,    division.


Frequency, Voltage


S/W CD, probes, manual, USB cord


Package list:

  • 1X SainSmart DDS-140 PC-Based USB Digital Storage Oscilloscope
  • 1X User's Guide
  • 2X Oscilloscope probe (x10)
  • 1X USB Cable
  • 1X CD (manual Software etc.)

Additional Information

Amazon Link

We accept payment through Paypal
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Using PayPal with SainSmart:

1. Visit product page, and click “” or checkout on shopping cart page after reviewing your order details. You will be directed to PayPal website.
2. Log in to your PayPal account, or pay by using your credit cart.
3. Just follow the instructions given by PayPal. You will quickly check out in a few clicks.
4. Please key in the correct shipping address in English while checking out with PayPal. Or the order will be shipped to your PayPal address.

5. Normally, order will be shipped out in 1-2 business days.

Advantages of using PayPal:
Payment is traceable. You can trace the status of your payment using your PayPal account.

Payment does not require you to use your credit card online (you can transfer directly from your bank account). If you do use your credit card through PayPal, and other users cannot see your credit card information, therefore minimizing the risk of unauthorized use.

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Prices and Rates

1.SainSmart provides two delivery methods from which to choose:
   (1)STANDARD SHIPPING(Free to USA, United Kindom, Canada, Australia, Germany, France, to other countries)
   (2)EXPEDITED SHIPPING(.50 to USA, .99 to other countries)



Import duties, taxes and charges are not included in the item price or shipping charges. Please find out as much as you can about import taxes in your own country before purchasing an item. In special cases, you may need to pay import duties on certain goods. We will endeavor to assist and cover in cases where duty is charged, if you are charged customs then please collect the package, pay any fees due and then contact us and we will reimburse you. For any assistant on this, you may kindly contact us. We promise to do our best for you.


Delivery & Tracking


Depending on your location and the type of goods you have purchased, will dispatch your items via 1 from 5 carriers. Items will be shipped from our main warehouse in China. If you prefer to have it shipped from other warehouse, please contact us via

Standard Shipping:

China Post is economic airmail reaching most part of the world, which generally takes about approximately 20 business days to arrive. And this will reduce the risk charging by local custom.
The delivery status of a package can be checked via the Internet at (for tracking numbers beginning with “RA”)

EUB is also known as E-packet, which is especially for delivery to USA. It takes about 10-12 days to arrive. The delivery status of a package can be checked via the Internet at (for tracking numbers beginning with “LN”)

Express Shipping:

DHL/UPS: We ship the item(s) by DHL / UPS from our warehouses in China. Your item(s) will normally be sent out within 1-2 business days and it takes approximately 3-5 business days to arrive depending on the destination.


Tracking website:

EMS: For some countries where UPS/DHL will not deliver, we will ship the item(s) via EMS, reaching you 8-15 days. Countries list for EMS shipping: Brazil, Russia, India, Turkey, Mexico, South Africa, Argentina, Saudi Arabia, Hungary, Romania, Israel, Philippines, Slovakia, Greece, South Korea.
The delivery status of a package can be checked via the Internet at (for tracking numbers beginning with “EE”)