The rugged metal casing enables application in harsh working environments. With high-quality optical design, it boasts powerful functionality. The product has obtained the explosion-proof certification from the National Low-voltage Explosion-proof Electrical Quality Inspection and Testing Center. Explosion-proof Certificate: Ex ia IIIC T6 Ga Certificate No: CLEx25.3215X Complying with explosion-proof standards: GB/T3836.1-2021 Explosive atmospheres ‒ Part 1: General requirements for equipment GB/T3836.9-2021 Explosive atmospheres ‒ Part 9: Equipment protected by intrinsic safety "i" Application environment: Hazardous areas Zone 0, Zone 1, and Zone 2. With built-in amplifier, both operation and reset time are within 1ms. It has short-circuit protection and power polarity protection.