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Laser Sensor FAQs and Comparisons

Laser Sensors Frequently Asked Questions

Ever wondered about LTI's laser sensors and how they work? What makes them tick? How do our sensors compare to others? What is the difference between our laser sensors?

Our FAQs below will answer a lot of your questions, and if they don't, feel free to Contact Us.

If you would like to print out the pdf of our Laser Sensor Frequently Asked Questions, see our Download section on the right hand side of this page or you may print it here - LTI Laser Sensors FAQs.


1. Laser Sensor Basics

How do LTI lasers work?
What data output rates do our lasers operate at?
What's the distinction between reflective and non-reflective, or cooperative and non-cooperative targets, and what kind of difference does it make?
Is the laser beam eye safe?

2. Laser Sensor Markets & Applications

Is this a proven technology in industrial applications?
Why would a customer consider TOF Lasers over other technologies?

3. General Laser Sensor Information

What are the main differences between the ULS and the S200 Series Lasers?
What is Pulse Repetition Frequency and why is it important?
Does the laser need calibrating to the specific distance it is measuring?
How is the laser beam diameter calculated?

4. ULS

What sets the ULS apart?
What is the difference between the different target modes in the ULS?
What accessories are available for the ULS?

5. TruSense S200 Series

What advantages does the S200 have over the ULS?
What target modes are available with the S200 Series?
What communication protocols does the S200 series use?
What are the different target modes in the S200 series?
Can lasers read through water?
Can lasers read the surface of water?
Can LTI lasers penetrate foam?
Will LTI lasers work through dense steam?
What considerations are there when measuring through glass?
What accessories are available for the S200 series?
What is a Class 1M laser?

Laser Sensors Comparisons

Laser Technology offers TOF (Time of Flight) laser sensors at an affordable price giving you the power of a non-contact measurement device that is highly accurate, reads over long ranges, and can read off almost any surface.

The table below gives you the main advantages of TOF (Time of Flight) Lasers in comparison with other technologies available in laser sensors.


Laser Sensors Technology Comparison Chart:

Characteristic LTI Time of flight (TOF)  Laser Phase Shift laser Ultrasonic Radar Guided Wave Radar Weigh & Cable Load Cells
Instant Response  
Low Cost  
Mat'l Density Dependent          
Unaffected by Mat'l Buildup        
Penetrates airborne particulates    
Range > 75 m        
Easy to Install      
Versatile (suites multiple apps)          


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