The BZJ-211 Color Mark Sensor is a high-precision detection device specially designed for automatic tracking in packing and packaging machines . It accurately detects color marks, registration marks, and printed patterns to ensure precise cutting, sealing, and positioning during packaging operations. This sensor is widely used in horizontal and vertical packing machines , labeling machines, printing systems, and automatic production lines. The BZJ-211 improves packaging accuracy by detecting contrast between colors and backgrounds, reducing material waste and production errors. With its fast response time and stable performance, the BZJ-211 sensor ensures smooth machine operation even at high speeds. The compact and durable housing allows easy installation in tight machine spaces, while the simple adjustment system makes setup quick and user-friendly. Features: Color mark sensor Design program: 1,2...... Class to the light path: 1. coaxial, 2. noncoaxial Class to the light source: 1. single light source, 2. double light source Color of light source : R: white, G: green Class to logic : N-NPN, P-PNP Specification: Model: BZJ-211 Size(mm) : 85*57*28 Supply voltage :10-30DC Ambient temperature: 0?~65? Detecting method : Coaxial reflection Setting distance :10mm±2mm chromatography of light : red, green, blue, white Facula : Circular Response time :50uS Current consumption :200mA Output type : NPN PNP Material: Metal Weight: 450g Cable: 2m Uses: Packaging machine auto tracking Color mark detection on films Printing and labeling machines Food and pharmaceutical packaging Industrial automation systems Package Include: 1 x BZJ-211 Color Mark Sensors Packing Machine Auto Tracking