DHVT Product introduction
Product characteristics
· Compatible with Linux, Chrome, Windows 7/8/8/1/10, 32-bit OS | · Both DP and HDMI support 4K detection |
· Support video signal PLL lock state, frame rate, resolution detection | · All interfaces are designed with plug resistance, anti-static and anti-short circuit protection |
· Support HDMI differential signal short-circuit detection, DP differential signal short-circuit detection | · Graphical interface test, detailed record of test results |
Application field
DHVT is suitable for PC motherboard and complete machine, server motherboard and complete machine, DP& HDMI& VGA video interface expansion dock, etc.
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Schematic diagram of working principle
Test item
Test Item | Support | Test Item | Support |
VGA Video R,G,B Signal | V | DP 2K /4K Resolution | V |
VGA Vertical Sync Signal | V | DP 2Lane /4Lane Signal | V |
VGA Horizontal Sync Signal | V | DP Hot Plug Open | V |
HDMI TMDS Signal | V | DP Lane_0~3 Signal | V |
HDMI TMDS CLK Signal | V | DP Audio Signal | V |
HDMI 2K /4K Resolution | V | HDMI&DP Data Channel Open/Short | V |
Measured comparison
Test mode | Measured | DHVT Test |
HDMI | Monitor with external HDMI port | One station test HDMI, DP, VGA all functions |
DP | Display with external DP port | |
VGA | A monitor with an external VGA port | |
Time spent | 90s | 30s |
Result judgment | Test results are judged artificially | Automatically determine and generate test records |
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Product name | DHVT | |
Hardware specification | DPx2,HDMIx2 | DP 1.2,HDMI 1.4， 30Hz |
dimension | Bare machine size: 158mm*115mm*23mm | |
weight | 395g | |
compatibility | Support operating system | windows10, windows 8.1, windows 8, Windows 7, Linux |
Use environment | Operating temperature range | -10℃ to 60℃ |
Operating humidity range | 10%~85%, no condensation | |
Storage humidity range | 5%~95%, no condensation | |
Title | Description |
Version Download |
Q1: What is the interface configuration of this video interface tester? |
One DP port, one HDMI port, one VGA port |
Q2: What are the supported interface protocols? |
DP1.2, HDMI1.4 |
Q3: What are the supported display parameters? |
4K@30Hz |
Q4: How to test? Do you directly access the port under test for testing? How are test results displayed? |
Directly connected to the machine under test, the test program is installed in the machine under test, and the work of the tester is controlled through the test program. The test program displays and records the test results. |
Q5: What are the advantages of the interface tester compared with the traditional measurement method? |
Flexible and portable, fast test, accurate judgment, result traceability, low cost and high yield, full automation. |
Q6: The interface tester supports the Windows operating system. Does it support Linux? |
Compatible with Linux, Chrome, Windows7/8, 8.1/10/11 operating systems, Tongxin UOS. |
Q7: Does the interface tester have test log records? How to output? |
Display test results quickly and accurately, generate detailed test log, can be connected to MES system, traceable record. |
Q8: Is the program setup complicated before starting the test? Is it necessary for your company's professionals to set and debug? |
Graphical interface testing, configuration procedures more simplified, clear, zero base fast configuration quickly start. |
Q9: How long is the hardware guarantee for your interface tester? Does the software need to be updated regularly? Do I have to pay for the software upgrade? |
The hardware is usually guaranteed for one year. There is no need to upgrade software when the machine type is compatible and the test is stable. Our customers enjoy the VIP rights of lifelong free software upgrade. |
Q10: Can you cooperate with automation companies to realize automated port testing? |
Our tester has cooperated with a number of automation companies, to achieve factory end I/O interface automated testing, testing stability. |
Q11: What is the testing principle of your company's interface tester? |
The test program issues the command, the tester negotiates through the interface under test, the internal chip analyzes and outputs the result on the upper computer software. |
Q12: Is the wire supporting your company's interface tester consumable? Can you replace it with a universal wire? |
Due to the test box supporting wire plug and pull, there is a certain service life. The wire supporting the test box is specially customized by our company, which is convenient to cooperate with the test. It is not recommended to use other wires. |
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