The Leuze LS 92/3 E-L Ex is a specialized high-power optical transmitter from the renowned Series 92 Heavy-Duty portfolio engineered by Leuze electronic (Germany). Engineered as an independent throughbeam photoelectric emitter, this device is designed specifically to withstand the most demanding environmental and mechanical conditions in heavy industries while complying with international ATEX/IECEx explosion-protection directives for hazardous gas and dust atmospheres.

Equipped with advanced optical collimating lenses and a high-energy pulsed Infrared LED light source, the transmitter generates an intensive optical beam with outstanding penetration capabilities. It easily cuts through dense airborne industrial dust, wood chips, outdoor fog, oil vapor, and frost without experiencing signal loss. When paired with a compatible Series 92 receiver, it establishes an exceptionally reliable sensing barrier with an operating range spanning up to hundreds of meters, making it ideal for container harbor crane collision protection (STS/RTG), mining rail wagon detection, and perimeter safeguarding.

Mechanically, the Leuze LS 92/3 E-L Ex is encased in a heavy-duty, powder-coated die-cast aluminum housing that offers superior resistance against mechanical shocks, chemical exposure, and maritime salinity. The optical window is made of hardened mineral glass to prevent scratches and thermal degradation. Featuring an IP67 ingress protection rating and an expansive operating temperature range, it delivers long-term alignment stability without drift. The integrated explosion-proof terminal compartment with cable gland ensures secure, vibration-proof field wiring and straightforward maintenance.

• Manufacturer: Leuze electronic (Germany)
• Product Series: Series 92 Heavy-Duty
• Model: LS 92/3 E-L Ex
• Device Type: Throughbeam photoelectric sensor transmitter
• Special Application: Long-range optical beam emission for heavy industrial environments
• Explosion Protection Directives: ATEX / IECEx certified for hazardous gas and combustible dust zones
• Light Source: Infrared LED (High-Power Pulsed)
• Optical Wavelength: 880 nm
• Nominal Operating Range: 0 ... 60 m (up to 120 m depending on receiver pairing)
• Maximum Operating Range Limit: Up to 150 m
• Supply Voltage: 10 ... 30 V DC (incl. residual ripple)
• Open-Circuit Current: ≤ 35 mA
• Readiness Delay: ≤ 300 ms
• Status Indicator: Green LED (power & transmitting status)
• Housing Material: Heavy-duty die-cast aluminum with corrosion-resistant coating
• Optical Window Material: Scratch-resistant hardened mineral glass
• Ingress Protection Rating: IP67
• Electrical Connection: Terminal compartment with cable gland
• Operating Ambient Temperature: -20 °C ... +60 °C
• Dimensions (W x H x L): Approx. 38 mm x 100 mm x 85 mm
• Net Weight: Approx. 450 g
• Quality Approvals & Directives: CE, c UL US, ATEX directive, IEC 60947-5-2