AR2500 Laser Sensor

The AR2500 Laser Sensors are fast, ultra-compact rangefinders for industrial, marine and civil engineering applications. Acuity’s AR2500 laser sensors employ pulsed time-of-flight measurement principles to measure very long distances at short measurement intervals. The solid-state laser diodes can be pulsed at nanosecond pulse rates and typical accuracy is within a few millimetres. The laser measures distance to natural targets within 30 meters. Longer ranges to 260 meters are possible with the use of reflective target boards. The sensor device has an eye-safe, infrared laser (Class 1).

Typical applications for the AR2500 laser include high-speed vehicle height profiling, bridge crane monitoring, trolley positioning and altitude measurements amongst others. It’s high sampling rate of 30 KHz makes it ideal for scanning applications as well.

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Features

  • The sensor is designed for industrial environments with NEMA-4, IP67 enclosure ratings.
  • Typical data outputs are serial RS232, RS422(optional) and current loop 4-20 mA signals.
  • For large-volume machine builders, a module version is available, which includes the “guts” of the rangefinder without an environmental enclosure. The module has different power requirements.
  • The AR2500 measures from 0 to 30 m without the use of reflective targets. It measures to natural target surfaces (opaque surfaces) with reflectivity as low as 10.
  • The accuracy of the measurement is typically <10 mm with sample averaging.
  • With a maximum frequency response of 30KHz, the AR2500 sensor is ideal for measuring fast-moving targets such as cars on a highway.
  • For long distant measurements, one can use reflective target material to measure between 30 and 260 meters, the maximum sampling speed is 16KHz.

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