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|Technical Data for the Acuity laser distance sensor|
|Specifications for long-range distance measurement, high accuracy, low speed|
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Acuity's AccuRange 1000 laser distance sensors are very unique distance measuring devices. They employ a phase-shfit comparison measurement principle that leads to very accurate distance calculations. The LIDAR technology uses high frequency amplitude modulation with continuous wave laserdiodes. The AR1000 measures the phase shift of up to five frequencies of emitted light to accurately gage the distance to a target.
The AR1000 measures from 0.1 to 30 m (~100 feet) without the use of reflective targets. It can measure to any opaque surface. The accuracy of the measurement is typically +/-2.5 mm, but it will depend on the reflectivity of the target surface, lighting conditions and temperature conditions. Dark-colored targets may be less accurate targets than light-colored targets. In simple sampling modes, the AR1000 self-determines the optimal sampling speed. Typical sampling output rates are 6 Hz. 50 Hz sampling is possible at close ranges to white targets. See the technical document download area for more information.
For very distant measurements, one can use reflective target material (3M Scotchlite 3279) to measure between 30 and 150 meters (500 feet). The AR1000 has a Class 2 visible laser diode for simple aiming and setup. The laser beam spot size is 5 mm with a divergence of 0.6 milliradians. Therefore, large targets may be necessary at very long distances.
This measurement sensor comes standard with a RS232 serial interface for communication with a PC computer or PLC. Also standard is a 4-20 mA current loop output and a single Limit switch for indicating alarms. The linearity of the analog output is +/- 0.15% of the span. This can be useful for triggering an external device when a target reaches a set position. The AR1000 can automatically sample distances or receive an external trigger for a single distance measurement. As an option, the AR1000 can be ordered with RS422 (replaces RS232), SSI or Profibus outputs.
The sensor is also standard with a 2 meter (6 ft.) cable with Binder series 723 flange connector and soldertail wire termination. Users design their own connectors suitable for their application requirements.
The AR1000 has several measurement modes that are optimized for speed, accuracy, long distances or short distances. Consult the User's Manual for a description of these modes.
AccuRange™ 1000 Laser Distance Sensor data sheet
> Access the AccuRange 1000 laser distance sensor Data Sheet Adobe PDF file size 450 KB
Acuity's AR1000 User's Manual
Acuity's AR1000 configuration software
Standard RS-232 Serial Output
Standard Current Loop
Laser distance sensor : AR1000 Technical Data
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Makers of precision surface measurement and alignment products