Thermopile Sensor Schematic

18 4 the thermal resistance layer of silicon monoxide is also sputtered directly onto the surface.

Thermopile sensor schematic.

A thermopile is an electronic device that converts thermal energy into electrical energy it is composed of several thermocouples connected usually in series or less commonly in parallel such a device works on the principle of the thermoelectric effect i e generating a voltage when its dissimilar metals thermocouples are exposed to a temperature difference. 1991 and is manufactured by vatell corp. The pins on the thermopile sensor a2tpmi are vulnerable and yes it may very well be a smart idea to connect a minimum of one of the unused pins to an isolated solder pad for mechanical steadiness. A thermocouple is an electrical device consisting of two dissimilar electrical conductors forming an electrical junction a thermocouple produces a temperature dependent voltage as a result of the thermoelectric effect and this voltage can be interpreted to measure temperature thermocouples are a widely used type of temperature sensor.

Schematics layout files bill of materials source code circuit function and benefits the circuit shown in figure 1 is a complete thermopile based gas sensor using the nondispersive infrared ndir principle. Just about all parts in the diagram are as looked at from top meaning through the component angle of a pcb. There are lots of cool applications they can be used for including motion sensors temperature probes fire alarms heat flow detectors robot sensors forge temperature monitors or low resolution thermal. It s what you find in those in ear infrared thermometers or remote temperature probes used in the food industry.

A thin thermopile sensor called the heat flux microsensor hfm was described by hager et al. Vatell corporation 2002 because it is made with thin film sputtering techniques the entire sensor is less than 2 mm thick fig.