What is the fine-grained topic of the following text: With industrial EMC standard certifications, including EN61000-6-1, EN61000-6-2, EN61000-6-3, and EN61000-6-4, all these industrial touch monitors are intact from electrostatics and electric surges up to ±6kV for contact discharge, ±8kV (ESD) for air discharge, ±2.2kV (EFT), and ±1kV (Surge). Only return the topic.
Industrial EMC Standard Certifications for Industrial Touch Monitors