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A thermopile sensor is a type of temperature sensor that converts thermal energy into electrical voltage. It consists of multiple thermocouples connected in series or parallel, which generate a voltage output proportional to the temperature difference between the sensor and its environment. These sensors are commonly made from materials such as bismuth telluride or other thermoelectric materials, allowing them to measure temperature accurately across a range of applications.
| Temperature range | -40°C to 500°C |
| Output voltage | 10 to 50 mV per °C |
| Response time | Typically less than 1 second |
| Material | Bismuth telluride or similar thermoelectric materials |
| Mounting type | Surface mount or through-hole |
When selecting a thermopile sensor, consider the temperature range and output voltage that best suits your application. It's important to specify the required response time and mounting type based on your installation needs. Additionally, inquire about any necessary certifications or environmental ratings, especially for industrial or medical applications. Quantities may also influence pricing and lead times, so be clear about your order volume when requesting a quote.
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Thermopile sensors can last several years, depending on usage and environmental conditions.
Yes, but ensure they are rated for environmental exposure and temperature extremes.
A thermopile consists of multiple thermocouples and is designed for measuring temperature differences, while a thermocouple typically measures absolute temperature.
Calibration typically involves comparing the sensor output to a known temperature standard and adjusting as needed.
Yes, they can be affected by ambient infrared radiation, so proper shielding may be necessary.
The output signal is usually a small voltage that varies with temperature, often in the range of 10 to 50 mV per °C.