The name 
laser bidirectional measured the diameter meter 
  
model 
LDM25/50XY 
  
product introduces 
LDM50XY to stir up the flash ranging diameter meter to use the laser 90 degrees bilateral scannings, surveys the line material, the tubing, the electric cable outer diameter
 accurately and not the garden, realizes the non-contact survey
 resolution: 0.001mm
 precision 0.02%x observed value ±0.001mm(25mm)
 precision 0.02%x observed value ±0.002mm(50mm)
 long life semiconductor laser
 laser output "2mW
 working: Continual
 external dimensions: 403mmx80mmx403mm
 surveys the position height of center: 900mm-1100mm
 
  
product specification 
0.05-25mm,0.1-50mm each kind of line material, tubing, electric cable, PVC tube, Jin Shuxian material