Product Technical Support and Features
- How Long is the Warranty for Associated Research Products?
- Which Products Have Voltage Monitoring Features? What Voltage is Safe to Continue Testing?
- Are Drivers Available for Associated Research Products?
- Does Withstand® Support Multiple Channel Control for Hipot Testing?
- Why Can't My Instrument Communicate with the Computer?
- Why Does the Instrument Show an "OTP" Alarm During Normal Cooling?
- What Is the DualCHEK Function in OMNIA®?
- Can OMNIA® II 8206/8256 Increase the Number of Test Channels?
- Why Does HypotULTRA® Support Barcode Scanning?
- How Do I Copy Test Parameters from One HypotULTRA® to Another?
- How Can I Add Ground Bond Testing to My Existing Hypot®?
- How to Quickly Copy Parameters Across Multiple Hypot® Units?
- Why Does HypotMAX® Use High Test Voltages?
- Does HypotMAX® Allow Continuous Voltage Testing Without Returning to 0V Between Steps?
- Why Is an Isolated Power Supply Required for Leakage Current Testing?
- How Do I View Maximum Current Values During Leakage Current Testing?
- How Many Channels Does the SC6540 Provide?
- What Are the Advantages of Multi-Point Measurement?
- How Do I Export and Import Withstand® Test Parameters?
Principles and Explanations of Safety Testing
- What is a Hipot Test (Dielectric Withstand Test)?
- What is the Difference Between AC and DC Hipot Tests? Which Method Should I Use?
- What is an Insulation Resistance Test?
- What is a Ground Bond Test?
- What is Charge Low in Electrical Testing?
- What is ARC Detection in Electrical Testing?
- What are the Common Causes of Arc During a Hipot Test?
- Can High Voltage from Safety Testers Harm Testing Personnel?
- Why is an Isolated Power Supply Needed for Leakage Current Tests?
Product Conversion
Answers to Product Technical Support and Features
1.How Long is the Warranty for Associated Research Products?
Associated Research products come with a standard 5-year warranty, covering issues resulting from non-human damage or product malfunctions. Additionally, we offer a global warranty service (optional), allowing customers to send their instruments to our repair centers in the US, Malaysia, or Taiwan for professional maintenance. For more information about the warranty coverage and detailed terms, please contact our sales team.
2.Which Products Have Voltage Monitoring Features? What Voltage is Safe to Continue Testing?
HypotULTRA®、Hypot® 和 HypotMAX® series have voltage monitoring features.After completing a test, the voltage must drop below 40V before proceeding to the next test to ensure safety.
3.Are Drivers Available for Associated Research Products?
For Associated Research products, we offer Withstand® Software for optimized operation, LabVIEW Drivers, and IVI Drivers.
These drivers are available for download on our website, saving customers time and effort
4.Does Withstand® Support Multiple Channel Control for Hipot Testing?
Yes, Withstand® supports control of up to 96 channels. With the SC6540 multi-channel scanner and auxiliary units, you can achieve up to 80 channels. Additionally, the HypotULTRA® 7820/7850 models feature 8 built-in channels, and you can add another 8 channels via the scanner interface, achieving a total of 96 channels for enhanced Hipot testing.
5.Why Can't My Instrument Communicate with the Computer?
If your instrument is unable to communicate with your computer, please follow these troubleshooting steps:
1. Check Connections: Ensure all cables are securely connected.
2. Install USB Drivers: Verify that the correct USB driver is installed on your computer.
3. Check COM Port: Confirm the proper COM port is selected for the connection.
4. Verify Baud Rate: Make sure the baud rate setting matches between the instrument and computer.
5. Program Terminator Setting: Ensure the program’s terminator is set to 0A.
6. Use a Terminal Emulator: Test the communication using a terminal emulator or another diagnostic tool.
If the issue persists, please contact our support team.
6. Why Does the Instrument Show an "OTP" Alarm During Normal Cooling?
If your instrument shows an "OTP" (Over Temperature Protection) alarm even during normal cooling, it might be due to insufficient ventilation. The instrument generates significant heat during loading, and in addition to the internal fan, it needs at least 20-30 cm of clearance at the intake and exhaust vents for proper ventilation. Avoid placing the instrument in poorly ventilated areas to prevent overheating.
7. What Is the DualCHEK Function in OMNIA®?
The DualCHEK function allows for simultaneous hipot and ground bond testing, reducing the total test time to just 3 seconds. This greatly improves efficiency compared to performing each test separately, which would take 3 seconds each.
8. Can OMNIA® II 8206/8256 Increase the Number of Test Channels?
Yes, OMNIA® II 8206/8256 can be expanded with the SC6540 multi-channel scanner for efficient multi-point testing. This reduces the need to frequently change test leads, minimizing errors and improving overall testing efficiency.
9.Why Does HypotULTRA® Support Barcode Scanning?
HypotULTRA® barcode scanning helps automatically select the correct test file, reducing human error. This feature is ideal for production lines with multiple test requirements, ensuring the correct test is loaded and executed, boosting both accuracy and efficiency.
10.How Do I Copy Test Parameters from One HypotULTRA® to Another?
To copy test parameters, insert a USB Desk into the front panel of the HypotULTRA® instrument to export the system and test parameters. Then, use the same USB Desk to import the parameters into another HypotULTRA®. This simple process requires no computer.
11. How Can I Add Ground Bond Testing to My Existing Hypot®?
You can add ground bond testing capabilities to your Hypot® by purchasing a HYAMP® 3240. This combination enables 5-in-1 testing, covering AC hipot, DC hipot, insulation resistance, AC ground bond, and DC ground bond.
12. How to Quickly Copy Parameters Across Multiple Hypot® Units?
To copy parameters across multiple Hypot® units, insert a USB Desk into the front panel of the instrument to export the settings. Then, use the USB Desk to import these settings into another unit—no computer is required, making this process quick and easy.
13. Why Does HypotMAX® Use High Test Voltages?
Industries such as semiconductors, energy storage systems, and insulation materials require high test voltages of 10 kV or more. Additionally, some users perform destructive testing to determine the product's voltage limits, ensuring safety and quality.
14. Does HypotMAX® Allow Continuous Voltage Testing Without Returning to 0V Between Steps?
Yes, HypotMAX® features an optional "Continuous Output Between Steps" mode. This allows the voltage to increase continuously during each test step without dropping to 0V. Each test group can also set a ramp-up voltage to identify the breakdown point, which is essential for gradual voltage testing.
15. Why Is an Isolated Power Supply Required for Leakage Current Testing?
An isolated power supply is crucial for safety and accurate measurements during leakage current testing. Utility power can interfere with test results and cannot be adjusted to simulate the required maximum operating voltage of 110%, making it unsuitable for accurate leakage current testing.
16. How Do I View Maximum Current Values During Leakage Current Testing?
To view the maximum current value, enable the "Extended Meters" option in parameter settings before starting the test. Once the test is complete, press ENTER on the result screen to view the I-Maximum field. Alternatively, use the "TMAX?" command to read the value remotely.
17. How Many Channels Does the SC6540 Provide?
One SC6540 main unit can connect up to four extension units, offering a total of up to 80 channels. Each SC6540 unit provides 16 channels and must be controlled via dedicated software.
18. What Are the Advantages of Multi-Point Measurement?
Multi-point measurement offers significant advantages for ensuring product safety and compliance with various regulations. Modern product designs, such as transformers and power supplies, require hipot testing between the primary side, secondary side, and between both sides. A multi-point measurement solution, using the SC6540 multi-channel scanner, allows for simultaneous testing of all points, resulting in:
- Time Savings: All required tests are performed at once, reducing overall testing time.
- Increased Efficiency: Minimizes the need for repeated setup and test lead changes.
- Improved Accuracy: Reduces the likelihood of human errors, ensuring more reliable test results.
This approach not only meets regulatory requirements but also enhances the quality and safety of the tested products.
19. How Do I Export and Import Withstand® Test Parameters?
To Export Test Parameters:
1. Click the account icon at the top-right corner and select "Control Panel."
2. Locate the storage path of the test file and copy it to a USB or designated location.
To Import Test Parameters:
1. Copy the exported file to the same path in the new system.
2. Save the file and restart the software to load the test parameters.
Note: If the hardware configurations differ between systems, adjustments may be needed to ensure compatibility.
Answers to Principles and Explanation of Safety Testing
1. What is a Hipot Test (Dielectric Withstand Test)?
The Hipot test, also known as the Dielectric Withstand Test, is an important electrical safety test that checks a product's insulation capability. This test applies a voltage that is higher than normal operating conditions to determine whether the insulation material will break down. The Hipot test can be categorized into two types: AC Hipot and DC Hipot tests. These tests ensure the insulation material prevents electrical faults and maintain safety.
2. What is the Difference Between AC and DC Hipot Tests? Which Method Should I Use?
AC vs. DC Hipot Tests:
AC Hipot Test: Used primarily for products operating on AC voltage, such as household appliances. This test simulates actual working conditions, ensuring insulation capability meets safety standards.
DC Hipot Test: This may be used as a substitute for AC tests if allowed by standards. Typically, the DC test voltage must be 1.414 times the AC voltage to provide an equivalent level of testing.
To choose the right method, consider the operating voltage of your product. For devices running on AC, the AC Hipot Test is recommended for the most accurate results.
3. What is an Insulation Resistance Test?
The Insulation Resistance Test evaluates the insulation performance of electrical equipment by applying DC voltage, usually 500V or 1000V. This test helps ensure the insulation material effectively prevents current leakage, avoiding potential electrical hazards or faults.
4. What is a Ground Bond Test?
A Ground Bond Test verifies the performance of grounding conductors in electrical products. It ensures that the grounding system can safely manage potential fault currents, protecting both the product and users from electrical hazards. During this test, a high current—typically twice the rated current—flows through the ground pin and chassis of the device.
5. What is Charge Low in Electrical Testing?
Charge Low is a continuity detection feature used in electrical safety testing. It ensures a proper connection between test leads and the Device Under Test (DUT). By quickly identifying connection issues, Charge Low helps prevent inaccurate test results, ensuring that defective products are not mistakenly approved for market release.
6. What is ARC Detection in Electrical Testing?
ARC Detection refers to the energy discharge that occurs when there is a defect in the insulation of electrical equipment. While arc testing isn't explicitly required by safety standards like Hipot testing, it plays a crucial role in identifying insulation defects. Arc detection enhances product safety by spotting potential arcs, improving overall product quality.
7. What are the Common Causes of Arc During a Hipot Test?
The common causes of arc during a Hipot test include:
1. Poor insulation materials.
2. Insufficient insulation distance.
3. Insulation gaps.
4. Surrounding interference factors.
The presence of arcs indicates insulation defects, although it does not necessarily mean complete insulation breakdown.
8. Can High Voltage from Safety Testers Harm Testing Personnel?
Yes, the high voltage used in Hipot testing can be dangerous, and improper handling can lead to injury. Therefore, safety standards require that technicians performing these tests undergo professional training. Additionally, testing environments must be clearly marked with high-voltage warning signs. To ensure safety, we strongly recommend using personal protective equipment (PPE) during testing operations.
9. Why is an Isolated Power Supply Needed for Leakage Current Tests?
An isolated power supply is crucial during Leakage Current Tests to protect both personnel and equipment. During testing, multiple power configurations may need switching, which poses a risk of electrical shock. An isolation transformer helps prevent these risks, safeguarding both operators and devices. It also prevents external currents from affecting the results, ensuring accurate leakage current measurements.
Answers to Product Conversion
1.What are the command difference between SE7400 Series and Associated Research 7800 series?
The difference listed:
| Commands | SE | HU4 | Note |
| EPO n | V | - | Option -DCW |
| EPO? | V | - | Option -DCW |
| SCT n | V | - | System:Color States n |
| SCT? | V | - | System:Color States? |
| SHK n | V | - | System:HARDWARE_KEY n |
| SHK? | V | - | System:HARDWARE_KEY? |
| SRE n | V | - | System:Reflash n |
| SRE? | V | - | System:Reflash? |
| SRC n | V | - | System:Reset Clear n |
| SRC? | V | - | System:Reset Clear? |
| SBR n | V | - | System:Baud rate n |
| SBR? | V | - | System:Baud rate? |
| SJAB n | V | - | System:JigA/JigB n |
| SJAB? | V | - | System:JigA/JigB? |
| SSC n | V | - | System:Scanner n |
| SSC? | V | - | System:Scanner? |
| SAS n | V | - | System:Auto Start:Format n |
| SAS? | V | - | System:Auto Start:Format? |
| SAF n | V | - | System:ARC Frequency n |
| SAF? | V | - | System:ARC Frequency? |
| SSS n | V | - | System:Screensaver |
| SSS? | V | - | System:Screensaver? |
| CAF n | V | - | System:CMD Access File |
| CAF? | V | - | System:CMD Access File? |
| ADD | ADD3 | ADD2 | |
| ADD3 DCW,Voltage,Output Polarity,HI-Limit,LO-Limit,Ramp Up,Dwell Time,Ramp Down,Charge LO,Arc Sense,Offset,Ramp-HI,Arc Dectect,Continuity,Range,Low Range,Scanner Setup | ADD2 DCW,Voltage,HI-Limit,LO-Limit,Ramp Up,Dwell Time,Ramp Down,Charge LO,Arc Sense,Offset,Ramp-HI,Arc Detect,Continuity, Range,Low Range,Scanner Setup | ||
| ADD3 IR,Voltage,Output Polarity,HI-Limit,LO-Limit,Ramp UP,Delay Time,Dwell Time,Ramp Down,Charge LO,Scanner Setup | ADD2 IR,Voltage,HI-Limit,LO-Limit,Ramp UP,Delay Time,Dwell Time,Ramp Down,Charge LO,Scanner Setup | ||
| LS | LS3? | LS? |
2. What are the command differences between the EEC ESA series and the Associated Research 8200 series?
The difference listed:
| Commands | ESA | O2 | Note |
| SSG2 n | V | SSG n | Set Smart GFI |
| SSG2? | V | SSG? | Inquire Smart GFI |
| EDO n | 0=P-G, 1=S-G, 2=P-S | 1=On,0=Off | |
| EDO? | 0=P-G, 1=S-G, 2=P-S | 1=On,0=Off | |
| ECR n | 0=GND, 1=OFF, 2=L-N | 0=GND,1=OFF,2=MAIN | EDIT: COLD RESISTANCE |
| ECR? | 0=GND, 1=OFF, 2=L-N | 0=GND,1=OFF,2=MAIN | |
| EACDC n | 0=AC, 1=DC, 2=AC+DC | 0=AC+DC,1=AC,2=DC | |
| EACDC? | 0=AC, 1=DC, 2=AC+DC | 0=AC+DC,1=AC,2=DC |
3.Why the behavior for PASS indicator light of TEST button are different between EEC EST-300 series and 3800 series?
The functional difference between EST-300 series and 3800 series is the continuity test.
For 3800 series: The TEST button light will be illuminated mean the continuity test is PASS only, not for ACW, DCW, IR test. When the screen display PASS or PLC PASS signal will be illuminated mean ACW, DCW, and IR test result are passed.
For EST-300 series: The EST-300 series does not have Continuity function, the PASS indicator light mean the result of ACW, DCW, IR is PASS.
