LM35D Analog Temperature Sensor Module

The LM35D Analog Temperature Sensor Module is built around the LM35 temperature sensor and is particularly effective in measuring ambient air temperature. Here are key details about this module:

– **LM35 Sensor Basis:** The module utilizes the LM35 temperature sensor, known for its precision and reliability.
– **Temperature Detection:** Designed for detecting ambient air temperature, the LM35 provides a linear output proportional to the temperature, with a sensitivity of 10mV per degree Celsius.
– **Output Voltage:** The output voltage is directly proportional to the temperature, making it convenient for temperature measurement applications.
– **Sealed Circuitry:** The sensor’s circuitry is sealed, protecting it from oxidation and ensuring durability.
– **Accuracy:** LM35 offers more accurate temperature measurement compared to thermistors.
– **Low Self-Heating:** The sensor has low self-heating and causes minimal temperature rise (not more than 0.1 °C) in still air.
– **Operating Range:** It operates in a wide temperature range from -55°C to 150°C.
– **Output Variation:** The output voltage varies by 10mV for every °C change in ambient temperature, with a scale factor of 0.01V/°C.

**Common Uses:**
– LM35 is commonly employed as a temperature measurement sensor.
– It finds applications in various temperature-sensitive devices, including thermocouples, platinum resistance, thermal resistance, and temperature semiconductor chips, especially in high-temperature measurements.

**Compatibility with Arduino:**
– When combined with an Arduino board and appropriate sensor expansion, the LM35D linear temperature sensor facilitates straightforward temperature measurement.

**Wiring Instructions:**
– Connect the positive power supply to the ” + ” terminal.
– Connect the negative power supply to the ” – ” terminal.
– Connect the “out” terminal to the analog signal input terminal of the AD converter module or directly to a multimeter for measurement purposes.

The LM35D Analog Temperature Sensor Module, with its precision and ease of integration, is a versatile solution for various temperature measurement applications.