Different sensing technologies are equipped with unique capabilities allowing them to perform well in a specific area. When the environment is dusty, using a photoelectric sensor might mean getting an incorrect reading because the light beam might be blocked by the dust. However, ultrasonic sensors will serve you well because they work just fine whether there is dirt or dust given that sound waves still penetrate areas which are dusty. You will need such a sensor especially if you are working in the packaging, food and beverage and the agriculture industry. It is important to make the right pick when buying the ultrasonic sensors so that you do not have to make another purchase.The first thing you have to consider is the mode. The common modes are retroreflective, thru-beam and diffuse. In many cases, people utilize the diffuse mode.
After making sure the mode you want is available, you need to consider the housing. They come in different materials, sizes and even shapes. The ultrasonic sensor housing that will serve you well should be picked out based on the place you will be working from not to forget the application you will be putting the sensor through. The housing can be cubic, flat or cylindrical. The materials used in making the housing are either plastic or metal. If you want a sensor that is durable and can hold its ground in high torque, a metal one is the best. When you are working under favorable conditions, an ultrasonic sensor with a plastic housing will get the work done and there is no spending a lot of money in the purchase.
Note the kind of output type because it is important in the work you will be doing. There are two output types: switch point and analog. Buy thinking about the job, you can know which output type will be preferable. The ultrasonic sensor measurement range is a subject of interest too. The larger the transducer the larger the measurement ranger and vice versa. The cost of the sensor is another matter you should have at the back of your mind. Some people are too lazy to do research on the best ultrasonic sensors and transducers for their needs and just pick what is expensive assuming that it will give them the perfect experience but this is nothing more than ignorance because you can find less expensive ones that will do the best job ever.It takes a bit of time but you will get the best item no matter the budget you have.