30 likes | 46 Views
chemical sensors, in the medical and health fields, are diverse, depending upon their function. These sensors can detect the concentration of a particular analyte in a sample or liquid, they can sense changes in temperature or pressure and some types can even sense light.
E N D
Chemical Sensors Find Application in Healthcare, Manufacturing, Environmental Monitoring, Personal Protection, and Various Other Sectors chemical sensors, in the medical and health fields, are diverse, depending upon their function. These sensors can detect the concentration of a particular analyte in a sample or liquid, they can sense changes in temperature or pressure and some types can even sense light. Their usefulness extends far beyond the lab as they are widely used in manufacturing, environmental monitoring, and personal protection. There are two broad categories of chemicals sensors: analog and digital. The analog sensor converts the electrical signal into an electrical signal and displays it on a display. The digital type detects changes in the electronic signal that is interpreted by the sensor and can provide temperature, humidity, lighting and other information. This type of sensor can detect two different kinds of molecules: oxygen or other gases, and carbon dioxide or other gasses. In addition, some types of electronic chemical sensors can detect certain types of organic compounds, like glucose, phenol, and ferric oxide. There are several kinds of electronic chemical sensors, but the most popular are the carbon and capacitive types. Carbon and cap sensor combinations allow detection of the concentration of a specific analyte in a liquid. Other types of common sensors include, ultrasonic and radar, which detect the frequency of movement, ultrasound and laser that function by emitting waves into the sample or analyzer. And of course, the most common, and the most expensive, is the electromagnetic sensor, which uses electromagnetic waves to detect the concentration of a particular analyte in a material or sample.
There are a variety of uses for chemical sensors. Some applications are for in-line or in-submerged sensors, which are fixed in one place and can be installed at any point in the manufacturing process. Other applications are surface mounted or attachable, which are less expensive but can suffer from wear and tear as conditions alter over time. And yet other uses are for mobility, such as with fluid monitors used for a variety of applications in labs and laboratories, and with robotics applications and remotely piloted vehicles. Capacitive chemical sensors operate by detecting changes in a charged surface caused by temperature, pressure, moisture or any number of other factors. The sensing medium changes sensitivity, which allows the transducer to register a far greater amount of data. Capacitive transducers can also sense physical stimuli, such as temperature, mechanical stimuli or changes in voltage, which can provide information on how physical materials are reacting inside an object. There are four common types of response time for chemical sensors. First, the response time is the time it takes for a molecule to absorb a charge. Second, there is a time window in which the substance will become a stationary charge, which greatly reduces the time the sample is taken. The third type of response time measures a response from a sample only after the sample has become a stationary charge. The last type measures the time from when the sample first becomes a positive charge, to when it becomes a negative charge. These types of sensors use different methods to determine how a substance reacts under varying stimulus. There are two important components of a chemical sensor. The first is the temperature controller, which analyzes the signal strength as a function of temperature. The second is a humidity controller, which controls the moisture content of a test material to ensure that the material does not lose its stability at a specific temperature. Other types of temperature controllers include temperature differential receivers and differential thermometers. Readmore@https://priyankashinde2888.medium.com/chemical-sensors-find-application-in- healthcare-manufacturing-environmental-monitoring-personal-1e35f54823f5