Skip to content



The Trek Infinitron® 820 and 821HH by Advanced Energy are advanced electrostatic voltmeters, delivering accurate surface voltage measurements. The Infinitron® 820 is compatible with both contacting and non-contacting probes, while the 821HH exclusively utilizes contacting probes. Their highly stable output makes them an excellent choice for both R&D and production environments. While the Infinitron® 820 is recognized for its high accuracy, stability, and low noise output, the Infinitron® 821HH offers superior precision. To enhance their functionality, these products are seamlessly compatible with our Infinitron companion software, providing a robust toolset for users.

24/5 Support Available

Get Expert Advice From Our Engineers

We are committed to providing excellent customer service and technical support to our customers. With live chat and phone support, you can reach out to a qualified engineer for help at any time.
Get Support Now