Tri-Tronics Model SEI Smarteye Mark II Enhanced Dynamic Range Sensor

Description:

The TRI-TRONICS Model SEI Smart Eye Mark II Enhanced Dynamic Range Sensor is used in industrial photoelectric sensing systems to detect the presence or absence of objects with high-speed, non-contact sensing. Commonly installed on packaging machinery, conveyor systems, material handling equipment, assembly machines, and automated production lines where reliable object detection is required. Maintenance teams and system integrators use this photoelectric sensor for machine repairs, sensor replacement, automation upgrades, and preventive maintenance.

Applications:

The TRI-TRONICS Model SEI Smart Eye Mark II Enhanced Dynamic Range Sensor 12-24VDC is commonly used in packaging equipment, bottling lines, food processing systems, pharmaceutical machinery, electronics assembly, and material handling applications. Its Enhanced Dynamic Range (EDR), infrared LED light source, interchangeable optical block capability, and high-speed electronics provide dependable sensing for product detection, registration mark sensing, positioning, counting, and conveyor monitoring in demanding industrial environments.

Technical Specifications:

• Manufacturer: TRI-TRONICS
• Model / Part number: SEI
• Product type: Photoelectric sensor
• Series: Smart Eye Mark II
• Light source: Infrared LED (880 nm)
• Supply voltage: 12–24 VDC
• Output type: One NPN and one PNP transistor output
• Maximum output current: 150 mA per output
• Current consumption: 85 mA (exclusive of load)
• Response time: 50 µs (light state), 140 µs (dark state)
• Adjustment: EDR (Enhanced Dynamic Range) potentiometer
• Indicators: 10-LED Contrast Indicator, Output LED, EDR LED
• Protection: Reverse polarity and momentary short-circuit protection
• Enclosure rating: NEMA 4X, NEMA 6P, IP67
• Operating temperature: -40°C to +70°C (-40°F to +158°F)
• Function: Non-contact object detection
• Application environment: Industrial automation and machine sensing systems

Common Replacements:

• TRI-TRONICS SEIF1
• TRI-TRONICS SEIO2
• TRI-TRONICS SERR1