You do not have to be a physicist to use ultrasonic sensors and transducers. These devices have a lot of applications in all fields and the problem you are having might be solved by such a device. You may not have control over the object you ought to use the sensor on which means you will not be able to manipulate the color but this is okay because ultrasonic sensors can penetrate transparent and even colored matter just as well and at the end of the day you will get accurate data. The sensors reflect off the objects which means the color has no effect on the reading whatsoever. In most cases, you will not be in a position to manipulate the objects you are working with which could be a problem if you were to use a measuring device that gives the reading depending on the color. This is why you should buy ultrasonic sensors and transducers.
Just like you may not have control over color, it might be impossible to control the lighting too. At times, the distance you are measuring might be in the water and we know there is no want you can install lighting inside a tank of water or even the sea. The good news is that transducers and ultrasonic sensors work no matter the lighting situation. People who use cameras or even proximity sensor devices which are useless in the absence of light cannot say the same and this can get in the way of your job. Ultrasonic devices can even measure distance in space making them versatile. Given how resourceful the devices are, some people automatically assume that they need a lot of money to afford them. Whether you have 100 dollars or 30 bucks, you can still walk out of the store with a sensor that works just fine. You will be able to tell the distance through the calibrations on the ultrasonic sensors which is why they are calibrated in the production process so that the final consumer can start using them immediately he or she makes the purchase.
Of all the measuring devices on the market, ultrasonic sensors and transducers are your best bet when you want high accuracy in matters to do with thickness and distance when there is a parallel surface. Dust, moisture, and dirt affect a lot of devices in measuring distance but not ultrasonic sensors which mean no matter the environment you have in mind, you can take them with you.However, make sure the dirt is not too much because there will be issues. You may also buy ultrasonic sensors and transducers which have a self-cleaning ability.