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LZR-U920/921

Compact raw data LASER scanner
lzr-u920-u921

Description

BEA’s LZR-U920/U921 are laser-based measurement devices measuring distances on up to four planes. The LZR-U920/U921 can be installed to scan in any direction.

This family of sensors is designed to provide the user with the highest degree of flexibility. It communicates the raw measurement data for further calculation or control tasks.

Features

Background independent

Background or substrate has almost no effect on measurements

Laser-based measurement

Measurement range: up to 65 m (213 ft)

Uni-directional or Bi-directional

Standard RS485 bus communication (bidirectional)

Superior object recognition

No external illumination of target object necessary as compared to camera systems

Table of specifications

Technology

LASER scanner, Time-of-Flight measurement

 

Measurement Range

Max. 65 m (213 ft) / 10 m (30 ft) @ 2% remission factor /
30 m (98 ft) @ 10% remission factor

 

Number of Points / Plane

Max. 274

 

Number of Planes
LZR-U920
LZR-U921

 
4
1

 

Angular Resolution

Max. 0.3516˚

 

Angular Coverage

Max. 96˚

 

RPM

900 turns / min

 

Scanning Frequency
LZR-U920
LZR-U921

 
15 Hz
60 Hz

 

Serial Communication
Type
Interface
Communication Mode
Data transmission Speed
Topology
Symbol coding
File type

 
Asynchronous
RS 485
Half-duplex (U920,U921)
921600 max.
Point-to-point
1 start bit, 1 stop bit, no parity bit
8 bits

 

Remission Factor

> 2%

 

Emission Characteristics
IR LASER

Wavelength 905 nm; maximum output pulse power 75 W (CLASS 1)

 

Power Supply

Peak current at power-on:
1.8 A (max. 80 ms @ 35 VDC @ sensor side)

 

LED Signal

1 Blue LED: Power–on Status
1 Orange LED: Error Status
2 Bi-colored LEDs: Function Status

 

Dimensions

5 in (W) × 2.75 in (H) × 3.66 in (D)

 

Material

PC / ASA

 

Color

Black

 

Degree of Protection

NEMA 4 / IP65

 

Temperature Range

−22 ºF – 40 ºF (−30 ºC – 60 ºC) if powered;
14 ºF – 140 ºF (−10 ºC – 60 ºC) unpowered

 

Humidity

0 – 95 % non-condensing

 

0–95 % non-condensing

< 2 G

 

Expected Lifetime

Designed for a lifetime of min. 20 years

 

Norm Conformance

2006/95/EC: LVD; 2011/65/EU: RoHS 2; 2004/108/EC:
EMC; EN 60529:2001; IEC 60825-1:2007 Laser Class
1&3R; EN 60950-1:2005; EN 61000-6-2:2005 EMC -
Industrial level; EN 61000-6-3:2006 EMC - Commercial Level

 
Versions
  • lzr-u920-u921
    10LZRU920

    Bidirectional, 4 curtain sensor

  • lzr-u920-u921
    10LZRU921

    Bidirectional, 1 curtain sensor

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