How Can You Test Grounding Products, Like Sheets, Mats, Etc.?Updated 5 hours ago
To ensure your grounding product is working properly, you can test it using simple tools like a multimeter and an outlet tester. These tests help verify conductivity, grounding, and the effectiveness of body voltage reduction.
How to Test Grounding Products
1. Test the Product’s Conductive Surface
Use a digital multimeter set to the lowest resistance (Ω) setting.
Place one probe on the grounding snap and the other on various points of the product.
A properly functioning product should show low resistance (typically between 10–100 ohms). High resistance or no reading may mean the conductive threads or surface are worn out.
2. Check the Grounding Cord
Test the cord’s resistance using a multimeter set to a 200 kΩ range.
Connect one probe to the plug end (ground pin) and the other to the snap connector.
A good cord should show resistance around 100 kΩ, indicating the built-in safety resistor is intact.
3. Ensure Your Outlet is Properly Grounded
Plug a 3-prong outlet tester into the outlet you use for grounding.
Confirm that the indicator lights show the outlet is correctly wired and grounded.
If not, try another outlet or consult an electrician.
4. Optional: Perform a Body Voltage Test
Use a multimeter set to AC voltage (V~).
Lie on the grounding product with bare skin contact.
Place one probe in your hand, the other connected to a verified ground.
Compare body voltage readings when touching and not touching the grounding product. A significant drop indicates effective grounding.
Tips for Accurate Testing
Always test after washing or moving the product.
Make sure your skin makes direct contact with the conductive surface.
If using with sheets or clothes, ensure there’s no thick barrier between your skin and the grounding material.
What to Do If the Product Fails the Test
If resistance is high or inconsistent, the product may be worn out or damaged.
If the cord fails, replacing it is usually easy and inexpensive.
If your outlet isn’t grounded, consider using a grounding rod or consulting an electrician.
Need more help?
If your product doesn’t seem to be working after these tests, or if you’re unsure how to perform them, contact SYB support for further assistance.