Tri-Tronics SE3RF4 Fiber Optic Photoelectric Sensor

Description:

The TRI-TRONICS SE3RF4 SMARTEYE MARK III Sensor is used in industrial photoelectric sensing systems to detect the presence or absence of objects through compatible glass fiber optic light guides. Commonly installed on packaging machinery, conveyor systems, material handling equipment, assembly machines, and automated production lines where precise non-contact sensing is required. Maintenance teams and system integrators use this fiber optic sensor for machine repairs, sensor replacement, automation upgrades, and preventive maintenance.

Applications:

The TRI-TRONICS SE3RF4 SMARTEYE MARK III Sensor is commonly used in packaging equipment, bottling lines, food processing systems, pharmaceutical machinery, electronics manufacturing, and material handling applications. Its F4 glass fiber optic adapter, red LED light source, and high-speed MARK III electronics provide dependable detection for part positioning, product counting, registration mark sensing, and conveyor monitoring in demanding industrial environments.

Technical Specifications:

• Manufacturer: TRI-TRONICS
• Model / Part number: SE3RF4
• Product type: Fiber optic photoelectric sensor
• Series: SMARTEYE MARK III
• Optical block: Type F4 glass fiber optic adapter
• Light source: Red LED (660 nm)
• Supply voltage: 12–24 VDC
• Output type: One NPN and one PNP transistor output
• Maximum output current: 150 mA per output
• Connection: 6 ft attached cable
• Response time: 50 µs (light state), 140 µs (dark state)
• Adjustment: Potentiometer with EDR® (Enhanced Dynamic Range)
• Indicators: 10-bar Contrast Indicator, Beam Status LED, 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: Fiber optic object detection using compatible glass fiber light guides
• Application environment: Industrial automation and machine sensing systems

Common Replacements:

• TRI-TRONICS SE3RCF4
• TRI-TRONICS SEIF4
• TRI-TRONICS SDF1