Hantek DSO2D20 Series Digital Oscilloscope

Copyright and Statement

This document is copyrighted by Qingdao Hantek Electronic Co., Ltd.

Qingdao Hantek Electronic Co., Ltd. reserves the right to modify this document without prior notice. Qingdao Hantek Electronic Co., Ltd. guarantees that the information provided is correct and reliable, but does not guarantee that this document is error-free. Before using this product, please independently determine that the relevant technical document specifications used are the latest and most effective versions. If your company uses documents or products from Qingdao Hantek Electronic Co., Ltd. and requires cooperation with third-party products, patents, or copyrights, your company shall be responsible for obtaining third-party consent and authorization. Regarding the above consent and authorization, it is not within the company's warranty responsibility.

Product Certification

Hantek certified DSO2D20 series oscilloscopes meet Chinese national industry standards and industry standards, and have passed CE certification.

Contact Us

For any questions or unclear points during the use of Qingdao Hantek Electronic Co., Ltd. products, please contact us through the following methods:

Email: service@hantek.com, support@hantek.com

Website: http://www.hantek.com

1 Safety Requirements

1.1 General Safety Precautions

Read the following safety precautions carefully to avoid injury and prevent damage to this product or any product connected to it. To avoid possible hazards, be sure to use this product according to regulations.

• Only professionally authorized personnel are allowed to perform maintenance.
• Use the correct power cord. Use only the power cord specifically approved for this product in the country of use.
• Connect and disconnect correctly. Connect the probe to the oscilloscope before connecting it to the circuit to be measured; disconnect the probe and the circuit to be measured before disconnecting the probe from the oscilloscope.
• Ground the product. To avoid electric shock, this product is grounded through the ground conductor of the power cord. The ground conductor must be connected to ground. Before connecting to the input or output terminals of this product, ensure that this product is properly grounded.
• Connect the probe correctly. The probe ground wire has the same potential as ground. Do not connect the ground wire to high voltage.
• Check all terminal ratings. To avoid fire or excessive current impact, check all ratings and marking instructions on the product. Refer to the product manual for detailed information on ratings before connecting the product.
• Do not operate with the cover open. Do not operate the product when the outer cover or panel is open.
• Avoid exposed circuits. Do not touch exposed connectors and components when the power is on.
• If you suspect the product is faulty, do not operate it. If you suspect this product is damaged, have it inspected by qualified maintenance personnel.
• Maintain proper ventilation.
• Do not operate in a humid environment.
• Do not operate in flammable or explosive environments.

Keep the product surface clean and dry.

Warning: Class A equipment may not provide adequate protection against radio interference in residential environments.

1.2 Safety Terms and Symbols

Safety terms in this manual:

Warning: Indicates that if you perform this operation, you may not be immediately harmed.

Attention: Indicates that if you perform this operation, you may cause damage to this product or other property.

Safety terms on the product:

Warning: Indicates that if you do not perform this operation, you may face potential hazards.

Safety symbols on the product:

High Voltage ⚡

Safety Warning ⚠️

1.3 Measurement Categories

Measurement Category:

This instrument can be used for measurements in Measurement Category I.

Warning: This instrument is only permitted for use in the specified measurement categories.

Measurement Category Definitions:

Measurement Category refers to measurements made on circuits not directly connected to the mains power supply. For example, measurements on circuits not derived from the mains power supply, especially circuits derived from the mains power supply protected (internally). In the latter case,

instantaneous stress changes. Therefore, users should understand the instantaneous withstand capability of the equipment.

• Measurement Category II refers to measurements made on circuits directly connected to low-voltage equipment. For example, measurements on household appliances, portable tools, and similar equipment.
• Measurement Category III refers to measurements made in building equipment. For example, measurements on distribution boards, circuit breakers, lines (including cables, busbars, junction boxes, switches, sockets) in fixed equipment, and certain other equipment (e.g., fixed motors permanently connected to fixed installations).
• Measurement Category IV refers to measurements made at the source of low-voltage equipment. For example, measurements on electricity meters, primary overcurrent protection equipment, and pulse control units.

1.4 Ventilation Requirements

This instrument is force-cooled by a fan. Ensure that the air inlet and outlet areas are unobstructed and have free airflow. To ensure adequate ventilation, when using the instrument on a workbench or in a rack, ensure that at least 10 cm clearance is left on the sides, top, and back.

Attention: ⚠️ Poor ventilation can cause the instrument temperature to rise, leading to instrument damage. Ensure good ventilation during use and regularly check the vents and fan.

1.5 Working Environment

Temperature

Operating Temperature: 0℃ - 50℃

Storage Temperature: -30℃ - 70℃

Humidity

• During operation:
• Below +30℃: ≤90% relative humidity (non-condensing)
• +30℃ to +40℃: ≤75% relative humidity (non-condensing)
• +40℃ to +50℃: ≤45% relative humidity (non-condensing)
• During non-operation:
• Below +65℃: ≤90% relative humidity (non-condensing)

Warning: ⚠️ To prevent the risk of short circuits in the internal circuitry or electric shock, do not operate the instrument in a humid environment.

Altitude

• During operation:

• Below 3000 meters
• During non-operation: Below 15000 meters

Installation (Overvoltage) Category: This product is powered by the mains supply conforming to Installation (Overvoltage) Category II.

Warning: ⚠️ Ensure that no overvoltage (such as voltage caused by lightning) reaches the product. Otherwise, the operator may be at risk of electric shock.

Installation (Overvoltage) Category Definitions:

Installation (Overvoltage) Category 1 refers to signal levels suitable for measurement terminals of equipment connected to the source circuit, where measures have been taken to limit transient voltages to appropriate low levels.

Installation (Overvoltage) Category II refers to local distribution levels, suitable for equipment connected to the mains (AC power supply).

Pollution Degree

Degree 2

Pollution Degree Definitions:

• Pollution Degree 1: No pollution, or only dry, non-conductive pollution occurs. This pollution level has no effect. For example: clean rooms or air-conditioned office environments.
• Pollution Degree 2: Generally, only dry, non-conductive pollution occurs. Temporary conductivity due to condensation may occur occasionally. For example: general indoor environments.
• Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution becomes conductive due to condensation. For example: outdoor environments with a canopy.
• Pollution Degree 4: Permanent conductive pollution caused by conductive dust, rain, or snow. For example: outdoor locations.

Safety Class

Class 1 - Grounded product

1.6 Maintenance and Cleaning

Maintenance:

When storing or placing the oscilloscope, do not expose the LCD display to direct sunlight for extended periods.

Cleaning:

As required by operating conditions, regularly inspect the oscilloscope and probes. Clean the exterior surfaces of the instrument according to the following steps:

1. Use a lint-free cloth to remove dust from the exterior of the oscilloscope and probes. Be very careful to avoid scratching the smooth display filter material.
2. Use a soft cloth dampened with water to clean the oscilloscope. For more thorough cleaning, use a water solution of 75% isopropyl alcohol.

Attention: ⚠️ To avoid damaging the surface of the oscilloscope or probes, do not use any corrosive or chemical cleaning agents.

Warning: ⚠️ Before powering on again, ensure the instrument is completely dry to prevent electrical short circuits or personal injury caused by moisture.

1.7 Environmental Considerations

The following symbol indicates that this product complies with the requirements of WEEE Directive 2002/96/EC.

[WEEE Symbol Description: Indicates that the product is subject to the WEEE Directive for waste electrical and electronic equipment.]

Product Recycling:

The production of this equipment requires the extraction and use of natural resources. If this product is disposed of improperly, some substances contained in this equipment may be harmful to the environment or human health. To prevent the release of harmful substances into the environment and reduce the use of natural resources, it is recommended to recycle this product using appropriate methods to ensure that most materials can be reused correctly.

2 Document Overview

Purpose

This document guides users to quickly understand the front and rear panels, user interface, and basic operation methods of the DSO2D20 series digital oscilloscopes.

Manual Download

Note: The latest version of this manual can be downloaded from (http://www.hantek.com).

Document Number:

202505

Software Version:

Software upgrades may change or add product functions. Please refer to the Hantek website for the latest version.

Document Conventions:

1. Virtual Buttons and Main Interface Icons: Virtual buttons and icons on the main interface are represented by [Name], e.g., [Utility] represents the Utility button.
2. Menus: Labels or menu options are represented by "Menu Text (Bold) + Color". For example, "Sound" indicates turning the instrument's operating sound on or off.
3. Operation Steps: Arrows "->" indicate the next operation step. For example, [Utility] -> Language indicates clicking the Utility button, then clicking the Language menu.

Document Content Conventions:

The DSO2D20 series oscilloscopes include the following models. Unless otherwise specified, this manual uses the DSO2D50 as an example for basic operations.

3 General Inspection

Shipping Package Inspection

Upon receiving the oscilloscope, please inspect the equipment according to the following steps: Check for any damage caused during shipping. If the packaging carton or foam padding is severely damaged, keep it until the entire unit and accessories pass electrical and mechanical tests.

Accessory Inspection

Details of the provided accessories are described in Appendix A: Accessories in the user manual. If any accessories are missing or damaged, please contact the dealer responsible for this business.

Unit Inspection

If the instrument's exterior is found to be damaged, the instrument is not working properly, or it fails performance tests, please contact the dealer responsible for this business.

4 Product Introduction

The DSO2D20 series digital oscilloscope offers comprehensive features and outstanding performance, with a sampling rate of 2GSa/s and bandwidth up to 500MHz across the series. It supports 1MΩ/50Ω impedance switching to ensure signal integrity. It has a built-in arbitrary waveform generator capable of outputting 5 standard waveforms and supporting custom arbitrary waveform output. It is equipped with 9 trigger modes including edge, pulse, video, slope, timeout, window, runt, interval, and under-shoot. It supports UART, LIN, CAN, SPI, and IIC serial bus analysis and protocol decoding. It features 32 automatic measurement and threshold measurement functions, with test results supporting statistical analysis. It also includes two sets of digital voltmeter functions and a hardware frequency counter function. Standard SCPI remote control commands are provided, facilitating user setup of test systems.

4.1 Front Panel Overview

[Description of the front panel image, indicating various buttons, knobs, and the display. The image shows controls for power, saving, recall, measurement, acquisition, auto setup, menu, stop, utility, cursor, display, default setup, help, save to USB, decode, trigger level, channel controls, vertical and horizontal position/scale, waveform generator, and ports.]

4.2 Rear Panel Overview

[Description of the rear panel image, showing ports and warning labels. The image shows a USB device port, power socket, and a handle. Warning labels indicate hazardous voltage inside and power specifications.]

4.3 User Interface

[Description of the user interface screen, showing waveform display, status indicators, and menu options. The screen displays Hantek logo, AUTO mode, timebase, sampling rate, trigger status, channel information, and menu items like Language, Sound, Upgrade, Pass/Fail, System Information.]

1. Hantek Logo: Represents the Hantek trademark.

2. Running Status: The oscilloscope's running status includes: READY, TD, STOP, and AUTO.

3. Horizontal Timebase: Indicates the time length represented by each grid on the screen's horizontal axis. This parameter can be adjusted using the horizontal knob.

4. Sampling Rate: Displays the current sampling rate of the analog channel. The sampling rate changes with the horizontal timebase.

5. Storage Depth: Displays the current storage depth of the analog channel. The storage depth changes with the horizontal timebase.

6. Horizontal Position: Adjust the parameter using the horizontal knob to display the specific horizontal position value.

7. Trigger Level: Displays the current trigger level of the analog channel.

8. Operation Menu: Press the menu buttons in the button area to open the corresponding menu.

9. USB Drive: If the icon is lit or activated, it indicates that the USB drive is connected.

10. Signal Generator: Displays the operating status of the signal generator.

11. Message Box: Displays prompt messages.

12. CH2 Status Label: Displays the status of CH2. Shows CH2's vertical scale, offset information. Displays the current channel settings: channel coupling and bandwidth limit.

13. CH1 Status Label: Displays the status of CH1. Shows CH1's vertical scale, offset information. Displays the current channel settings: channel coupling and bandwidth limit.

14. Analog Channel Label/Waveform: Different channels are identified by different colors. The channel label and waveform color are consistent.

5 Preparation for Use

1. Stand Adjustment

The bottom of the machine has a stand design. Adjust the stand properly to tilt the oscilloscope slightly upwards, which provides better stability for placement, observation, and operation. When the machine is not in use, fold the stand back.

2. Power Connection

The AC power input specifications for this oscilloscope are: ~100-120V, 50/60/400Hz; ~100-240V, 50/60Hz; 50Watts MAX. Please use the provided power cord to connect the oscilloscope to the power source, as shown in the figure.

[Image description: Rear panel showing power socket and warning labels.]

Warning: ⚠️ To avoid electric shock, ensure the instrument is properly grounded.

3. Power-on Check

When the machine is correctly connected to power and the oscilloscope is in a powered state, press the power button on the lower left of the front panel to start the oscilloscope. During startup, all front panel buttons will light up for a few seconds, and the oscilloscope will perform a self-test. The startup screen will appear after the self-test is complete.

4. Function Check

• Click [Default Setup] in the button area to restore the oscilloscope to factory settings.
• Connect the ground clip of the probe to the ground terminal shown in the figure below.
• Connect the probe to Channel 1 input and the compensation signal output terminal indicated in the figure below.

[Diagram showing probe connection to compensation output and ground.]

Probe Compensation Output Terminal

Signal Ground Terminal

• Set the probe attenuation ratio to X10, then click [Auto Scale] in the button area.
• Observe the waveform on the screen to see if the square wave signal is displayed correctly, as shown in the figure below.

[Image description: Oscilloscope screen displaying a square wave.]

• Check CH2 channel in the same way. If the square wave displayed with the current timebase does not match the figure above, follow the instructions in the "Probe Compensation" section.

Warning: ⚠️ To avoid electric shock when using the probe, first ensure that the probe's insulated wire is intact, and do not touch the metal parts of the probe when connecting to a high-voltage source.

Note: The signal output from the probe compensation connector is for probe compensation adjustment only and cannot be used for calibration.

5. Probe Compensation:

This adjustment is required the first time a probe is connected to any input channel to match the probe to the input channel.

Uncompensated or miscompensated probes can lead to measurement errors or inaccuracies.

• Perform the first four steps of the "Function Check" in the previous section.
• Compare the waveform with the figure below.

[Diagram showing three waveforms: Correct Compensation, Transition Compensation, Insufficient Compensation.]

If necessary, use a non-metallic screwdriver to adjust the variable capacitor on the probe until the waveform displayed on the screen is like "Correct Compensation" shown above. Repeat this step if necessary. See the figure below for adjustment method.

[Image description: A screwdriver adjusting a probe's variable capacitor.]

6 Remote Control

There are three main ways to remotely control this oscilloscope:

1. User Custom Programming:

Users can programmatically control the oscilloscope using standard SCPI (Standard Commands for Programmable Instruments) commands. For detailed information on commands and programming, please refer to the "DSO2D20 Series Programming Manual".

2. Using IO Software:

Users can use IO software to send commands for remote control of the oscilloscope. It is recommended to use the Keysight PC IO software. You can download this software by visiting the Keysight official website (www.keysight.com).

Operation Steps:

• Establish communication between the oscilloscope and the computer.
• Run IO software and search for oscilloscope resources.
• Open the remote command control panel and send commands.

This oscilloscope can communicate with a PC via the following interface:

• USB Control

This chapter will detail how to use Keysight's IO software to remotely control the oscilloscope through various interfaces.

Attention: ⚠️ Before connecting the communication cable, please turn off the instrument to avoid damaging its communication interface.

7 More Product Information

1. Obtaining Product System Information

Click [Utility] -> System Information to obtain the machine's model, serial number, software version, and hardware version.

2. Viewing Option Information and Option Installation

For more information about this product, please refer to the relevant manuals (which you can download from the Hantek official website: www.hantek.com).

• "DSO2D20 User Manual": Provides an introduction to the product's functions, operation methods, remote control methods, troubleshooting methods during use, and ordering information.
• "DSO2D20 Programming Manual": Provides the product's SCPI command set.
• "DSO2D20 Datasheet": Provides the product's main features and technical specifications.

Contact Information

Address: No. 780 Baoyuan Road, High-tech Zone, Qingdao City, Shandong Province, Building 35, Liandong U Valley

Main Line: 400-036-7077

Email: service@hantek.com

Phone: 0532-55678770, 55678772, 55678773

Postal Code: 266000

Website: www.hantek.com

Qingdao Hantek Electronic Co., Ltd.