A small positive change means signals a 1 degree increase in temperature. A capacitor type of hygrometer is usually used to measure relative humidity. The sensor has a dielectric polymer layer ...

In order to measure winding temperature, the sensor can be embedded in a spacer or attached directly onto any conductor that deserves temperature monitoring. Figure 3 shows an example of sensor ...

A drive to persuade more South Africans to incorporate recycling into their daily routines – rather than only for observances like Global Recycling Day ...