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Description:

This pocket size oscilloscope is a 2-channel digital oscilloscope. You will find it compact and fashionable because it is merely 10mm talland enjoys an aluminum alloy appearance. It has a touch screen with 320*240 color display.
It supports SD card USB flash disk storage and USB charging. It is widely applicable inacademic experiment, electronicsmaintenance, electronic engineering tasks, etc.

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Specification:

Model	DSO Nano (DSO201)		SainSmart Note II (DS202)	DSO Quad (DSO203)
MCU	STM32F103VB		STM32F303VC	STM32F103VC
ADC	MCU with ADC		MCU with ADC	AD9288
Channel	Single Analog Channel		2 Analog Channels +1 Inner Channel	2 Analog Channels +2 Digital Channels
Analog bandwidth	200KHz		1MHz	8MHz
Max sample rate	1MSa/s		10MSa/s	72MSa/s
Max sample mermory depth	6K		8K	4K
Horizontal sensitivity	1uS/Div~2S/Div（1-2-5 sequence step）		1uS/Div~2S/Div（1-2-5 sequence step）	0.1uS/Div~1S/Div（1-2-5 sequence step）
Vertical sensitivity	10mv/Div~10V/Div（1-2-5 sequence step）		20mv/Div~10V/Div（1-2-5 sequence step）	50mv/Div~10V/Div（1-2-5 sequence step）
Input impedance	>500KΩ		1MΩ	1MΩ
Coupling	DC		DC/AC	DC/AC
Trigger mode	Rising/Falling Edge Trigger		Rising/Falling Edge Trigger	Rising/Falling Edge Trigger、Positive/Negative pulse width trigger
Auto adjust mode	N/A		AUTO_FIT	N/A
Math waveforms	-A, RecA, A+ RecA		-A,-B,A+B,A-B, RecA,RecB, RecC	-A,-B,A+B,A-B, RecA,RecB, RecC
Signal Output	Square		Square/Sine/Triangle/Sawtooth wave	Square/Sine/Triangle/Sawtooth wave
Synchronous mode	Auto，Normal，Single，None，Scan
Auto Measurement	Frequency/cycle time/duty cycle, DC RMS voltage /Vpp /Vmax/Vmin/Vavg
Storage	TF	Inbuilt 8MB U disk storage for waveform data and images
APP	1	2		4
Operation	Buttons	Buttons、 Capacitive touchscreen		Buttons
USB Port	MiniUSB	MicroUSB		MiniUSB
Lithium Battery	550mAh	550mAh		1000mAh
Screen size	2.8”	2.8”		3”
Full Color TFT LCD Display	320×240	320×240		400×240
Dimension(mm)	106.5mmX55mmX10.7mm	100mmX56.5mmX10.7mm		99mmX59mmX13mm
Weight(with battery)	DS 201 60g	90g		Plastic case 100g
Weight(with battery)	DS 201 60g	90g		Metal case 119g

Temperature：
- Operating Conditions： +0°C to +50°C
- Non-operating Conditions： -20°C to +60°C

Humidity：< /span>

- Operating Conditions：High Temperature：40°C to 50°C，0% to 60%RH

- Operating Conditions：Low Temperature：0° C to 40°C，10% to 90%RH

- Non-operating Conditions：High Temperature：40°C to 60°C，5% to 60%RH

- Non-operating Conditions：Low Temperature：0° C to 40°C，5% to 90%RH

Operating Interface:

NOTE:
- Use appropriate power cord. Please use dedicated power cord which has been certified in your country/region
- Connect & disconnect properly. Do NOT plug/unplug when the probe or the test lead is connected to the voltage source. Before you plug/unplug current probes, please disconnect power to the circuit under test.
- Observe all terminal ratings. To reduce risk of fire, electric shock and device damage, please do NOT measure signalsat DC40V or above. Please read the User Manual carefully to learn more about ratings before connection.
- Do not operate in a humid environment.
- Do not operate in a potentially inflammable/explosive atmosphere.
- Please keep the surface of the product clean & dry.

Documents Download:

20141230 Firmware APP1_28.rar
DS202_APP_1.28_source code(12.29).rar
DS202 User Manual.pdf
DS202 V2.21 Schematic.pdf

Package List:

-1x Ocilliscope

-1x MCX Probe

-1x English User Manual

-1x USB Cable

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Item will be shipped within 1-2 working days after full payment is cleared. Tracking number will be sent to all customers upon package shipment.
Delivery time is different in accordance to shipping address and shipping methods.
-Economy shipping from China: about 20-30 business days.
-ePacket delivery (EUB) from China to US: about 10-15 business days.
-Expedited shipping from China takes about 3-5 business days via DHL/UPS and 9-15 business days via EMS.
-Standard shipping (Royal Mail Tracked) from UK warehouse to local customers: about 3-5 business days.
-Standard shipping from US warehouse: about 3-7 business days.
-Expedited shipping from US warehouse: about 3-5 business days.
Delivery time depends on destination logistics mode and other factors. If you have not received your shipment within 30 days from payment, please feel free to contact us. We will track the shipment and get back to you as soon as possible with a reply.

We accept payment via PAYPAL ONLY. We only ship to confirmed PAYPAL addresses. Please make sure payment address in PayPal is correct.
All major credit cards are accepted through our secure payment processor PayPal.
Payment must be received within 7 business days of auction closing.

60 days money back return policy. If you are not satisfied when you receive your item, please return it within 60 days for a replacement or money back. Please contact us for return address before you send it back.
If item defective, In 3 months we will send you a replacement without extra charge, or offer refund upon faulty received. After 3 months you are still welcomed to send it back to us for exchange. Buyer may responsible for all return shipping costs.
In case you receive wrong products due to shipping error, please contact us for exchange or refund. If it's damaged, please refuse to accept and contact us as soon as possible.

Please email us before leaving any negative feedback or open any dispute on PayPal. We care about our valued customers, and will always try to help you. So if you have any problems, please e-mail us immediately. We try our best to reply to your emails as soon as possible. If you do not receive any reply from us, please check your email ensuring your mailbox has not reached full size. You can contact us by Ebay messages are strongly recommended.

On 08-Jun-17 at 04:12:13 EDT, seller added the following information: