Different sensing technologies are equipped with unique capabilities allowing them to perform well in a specific area. Do not hope for the correct reading when you have a photoelectric sensor in an environment full of dust because that interferes with the receiver. When you are in such an environment, you need an ultrasonic sensor because be it the sensing surface is full of dust or the air is musty and dusty your readings will be highly accurate. 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. In order to control the sensor, there should be different modes and you do not want to make the mistake of taking this for granted. The common modes are retroreflective, thru-beam and diffuse. A lot of people will work with the diffuse mode just fine.
Once you are comfortable with the modes the sensor has, the next thing you ought to check out is the housing. Housings vary in shapes, the material used to make them and even the size. 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. Many of the housings will either be cylindrical, flat or just cubic. Regarding housing materials, you will have to pick either metallic or plastic material. If you want a sensor that is durable and can hold its ground in high torque, a metal one is the best. If the working environment is not an important factor, a plastic housing should do and the better part is that you will not have to use a lot of money.
It is crucial to consider the output type because it has an effect on the kind of results you get. You can get a sensor with an analog output or switch point. It is the nature of the work that will guide you to make a perfect choice. The ultrasonic sensor measurement range is a subject of interest too. The measurement range is directly proportional to the transducer. Your budget will affect your choice too. The point is not in buying the most expensive item in the market but what will allow you to do a great job without burning your savings. It takes a bit of time but you will get the best item no matter the budget you have.