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Datalogic SR21-IR Label Sensor
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12-30 V Dc
The slot photoelectric sensors of the SR21-IR series
with 2mm slot width, are characterized by a high 12 bit (4096 steps) resolution, a low 20µs response time and a switching frequency reaching25kHz. The setting of the switching threshold is carried-out automatically by simply pressing a push-button, or dynamically during label (or other reference) movement. The SR21-IR model with infrared emission is ideal for label or hole detection on continuous surfaces, while the SR21-RG model with double red or green emission suits color print register mark detection on transparent films for automatic packaging. FEATURES & BENEFITS Teach-in setting: easy and fast setting procedure Dynamic setting: possibility to set the sensor while the labels film is moving12 bit resolution: high detection reliability for a precise reading25KHz switching frequency: high detection repeatability Red/Green emission model: possibility to perform contrast application APPLICATIONS This product series has been developed to satisfy to requirements of the following reference applications: Packaging lines Labeling machines Paper and Printing machines