BR303-NP Digital Fiber Amplifier | LK-Tronics Sri Lanka

BR303-NP Digital Fiber Amplifier | LK-Tronics Sri Lanka

Specification

General Overview

• Model Name: BR303-NP

• Type: Digital Fiber Optic Sensor Amplifier

• Function: Converts signals from fiber optic sensors to digital output for object detection and positioning

• Output Type: NPN / PNP

• Light Emission Source: Red LED / Infrared LED (model-dependent)

• Compatible Fiber Units: Plastic or glass fiber optic cables (standard M3/M4 threaded type)

Electrical Specifications

• Operating Voltage: 12V to 24V DC ±10% (Ripple P-P ≤10%)

• Power Consumption: ≤960mW (typical 40mA @ 24V DC)

• Output Type:

  • NPN / PNP

  • Max Load Current: 100mA

  • Residual Voltage: ≤1.0V (at 100mA load)

• Response Time:

  • High-speed mode: ≤200μs

  • Standard mode: ≤500μs

  • Long-distance mode: ≤1ms

• Leakage Current: ≤0.1mA

• Reverse Polarity Protection: Yes

• Short Circuit Protection: Yes

Optical & Detection Specifications

• Light Source:

  • Red LED / Infrared LED (wavelength: ~650nm or 850nm, depending on version)

• Sensitivity Adjustment:

  • Manual via +/- keys or automatic teaching function

• Detection Range:

  • Dependent on fiber cable: up to 1 meter (diffuse type), up to 3 meters (through-beam)

• Minimum Detectable Object Size:

  • ~0.1mm (depends on fiber type and setting)

Digital Display & Controls

• Display:

  • 7-segment digital LED display (4-digit, red or green)

  • Displays sensitivity level, signal strength, and error codes

• Buttons/Interface:

  • SET (teaching/learning)

  • MODE (function select)

  • UP / DOWN (or + / -) for manual tuning

• Operating Modes:

  • Light-on / Dark-on switching

  • Threshold adjustment mode

  • Teaching mode (1-point / 2-point)

  • Timer modes (ON-delay, OFF-delay, One-shot)

Mechanical & Physical Specifications

• Housing Material: Flame-retardant ABS (industrial grade)

• Mounting Method: DIN rail (35mm standard rail mount)

• Connector Type: Pre-wired (standard 3-wire) or 4-pin M8 connector (in some variants)

• Wiring (3-Wire):

  • Brown: +V (12–24V DC)

  • Blue: 0V (GND)

  • Black: Output

• Weight: Approx. 50g (without fiber unit)

• Dimensions:

  • W × H × D: 10mm × 30mm × 70mm (approx.)

Environmental Characteristics

• Operating Temperature: -10°C to +55°C (No freezing or condensation)

• Storage Temperature: -25°C to +70°C

• Humidity: 35% to 85% RH (Non-condensing)

• Vibration Resistance: 10 to 55 Hz, amplitude 1.5mm (X, Y, Z axes, 2 hours each)

• Shock Resistance: 500 m/s² (approx. 50G), 3 times per direction

• Enclosure Rating: IP40 (Main unit) – Fiber heads may vary

Compatibility

• Compatible with:

  • Standard plastic/glass fiber optic cables

  • Various types: Through-beam, diffuse reflective, coaxial, bend-resistant

• Integration:

  • PLCs

  • Industrial microcontrollers

  • Automation panels

Applications

• High-speed object detection

• Positioning in packaging lines

• Counting small or fast-moving parts

• Edge detection

• Presence/absence detection in confined areas

• Label or mark sensing in print/labeling machines

VISIT OUR FACEBOOK PAGE FOR MORE INFO | MORE PRODUCT IN OUR SHOP