1.What is a temperature sensor?

Temperature sensors are classified by operation method: Thermocouples (two metal junctions, widest range -200–1750°C, fast, low-cost). RTDs (platinum resistance, high accuracy, -200–850°C). Thermistors (semiconductor resistors, narrow range, fastest response, NTC/PTC types). Semiconductor/IC (integrated circuits, compact). Infrared (non-contact, measures radiation). Choose by required temperature range, accuracy, response speed, and environment

2.What are the types of temperature sensors?

Temperature sensors are classified by operation method: Thermocouples (two metal junctions, widest range -200–1750°C, fast, low-cost). RTDs (platinum resistance, high accuracy, -200–850°C). Thermistors (semiconductor resistors, narrow range, fastest response, NTC/PTC types). Semiconductor/IC (integrated circuits, compact). Infrared (non-contact, measures radiation). Choose by required temperature range, accuracy, response speed, and environment.

3.Which is the most accurate temperature sensor?

An RTD is the most accurate and stable sensor and is more linear than a thermocouple or thermistor. However, RTDs are the slowest and most expensive sensors. Therefore, precision applications where accuracy is critical while speed and cost are less important.

4.What are the applications of a temperature sensor?

These sensors have a wide range of applications where maintaining a specific temperature is vital. The sensor will indicate when the environment becomes too hot or cold and preventative action can be taken to ensure that the entire device is not compromised. Many industries including medical, motorsport, HVAC, agriculture, industrial, aerospace and automotive use the sensors to check the temperature of its surroundings.

5. What types of temperature sensors are available?

You’ll find a variety of sensors, from basic temperature-only modules to combined temperature & humidity sensors, and even advanced environmental sensors that add pressure and gas detection. For example, simple modules like the DHT11 Temperature & Humidity Sensor Module focus on air temperature and humidity. On the higher end, the BME680 Environmental Sensor Module handles temperature, humidity, barometric pressure and indoor air quality (gas) in one compact package. This gives you the choice of simple or feature-rich sensors depending on your project.

6. Are these sensors compatible with Arduino and Raspberry Pi?

Yes, both Arduino and Raspberry Pi are well supported. The DHT11 uses a simple digital output and many Arduino libraries exist for it; likewise, Raspberry Pi users can read it with Python or other tools. The BME680 supports I²C or SPI interfaces, making it compatible with both platforms as well. In short: plug them into your breadboard or GPIO connectors, install the right library or driver, and you’re set.

7. Can these sensors measure humidity as well?

Yes, many of them do. The DHT11 module measures temperature and relative humidity simultaneously. The BME680 goes further, measuring humidity along with temperature, pressure and gas resistance (air quality). So if your project needs humidity data (for example climate control, weather station or indoor monitoring), you’re covered.

8. What is the measurement range of DHT11 and BME680?

The DHT11 sensor measures temperature from 0°C to 50°C with ±2°C accuracy and humidity from 20% to 90% RH with ±5% accuracy. The BME680 has wider ranges: -40°C to +85°C for temperature, 0% to 100% RH for humidity, and 300 to 1100 hPa for pressure. Choose DHT11 for basic projects or BME680 for professional environmental monitoring applications.

9.Are these sensors suitable for IoT applications?

Definitely. These sensors are designed with modern embedded platforms in mind and work well in IoT setups. Because they support interfaces like I²C/SPI (in the case of BME680), have low power options, and can be read by microcontrollers or SBCs, they fit into smart home systems, environmental monitoring, weather stations, automation and more. Their digital output and readiness for coding make them great for IoT projects.

Temperature & Humidity Sensors - DHT11, BME680 & IR Sensors

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DHT11 Digital Temperature & Humidity Sensor Module (and DHT22 family) – Low-cost digital humidity/temperature sensors with single-wire interface.

BME280/I2C Temperature‐Humidity‐Pressure Sensor Module (or BME family) – Multi-parameter I2C sensors measuring temperature, humidity, pressure; higher accuracy.

Thermistors & Analog Temperature Sensors – Simple analog sensors (e.g., LM35, NTC thermistors) useful for basic temperature monitoring and educational projects.

IR (Infrared) Temperature Sensors – Non-contact sensors measuring surface temperature via infrared radiation; ideal for target surfaces and moving objects.

Comparison of Sensor Types: Accuracy, Range & Ease of Use

Sensor Type	Typical Accuracy & Range	Ease of Use	Notes
DHT (e.g., DHT11 / DHT22)	DHT11: –20 °C to 60 °C, ±2 °C DHT22: –40 °C to 80 °C, ±0.5 °C	Very easy – simple digital line	Good for basic projects
BME280 / Multi-parameter	–40 °C to 85 °C, ±1 °C (temp); also measures pressure & humidity	Moderate – I2C, library needed	Higher precision, more features
Thermistor / LM35	e.g., –55 °C to 150 °C; accuracy depends on calibration	Easy – analog reading	Requires analog pin and calibration
IR Temperature Sensor	Surface readings: –70 °C to 380 °C; accuracy ~±0.5 °C	Moderate – needs line-of-sight	Good for non-contact measuring

Applications: Weather Stations, IoT, Smart Home & HVAC Monitoring

Build a weather station: use DHT/BME sensors to monitor temperature, humidity and pressure, send data to the cloud.

IoT environment monitoring: Use Raspberry Pi or ESP32 + sensor modules to log indoor/outdoor temperature remotely.

Integrate into smart home: Read room temperature to control HVAC, fans, or ventilation automatically.

Robotics and automation: Thermal monitoring of motors or µC boards; use IR sensors to detect hotspots or surface temperatures.

HVAC and industrial monitoring: Thermistors or IR sensors used to check duct temperatures, fluid flows, or equipment housing.

Installation & Calibration Tips

Mount sensors away from heat sources or air vents to avoid skewed readings.

For analog sensors: calibrate with known temperature points (e.g., ice bath, boiling water) and map readings accordingly.

For DHT/BME sensors: allow 30–60 seconds of warm-up after power-on for stable readings.

Use shielded or short wiring if sensors are far from microcontroller to avoid noise, especially in industrial/IoT setups.

For IR sensors: ensure object surface is within sensor field-of-view; avoid reflective surfaces that may distort readings.

When logging data over time, record and compare readings at known stable temperatures to identify offsets and apply software corrections.

Buy Temperature Sensor Online in India

Looking to measure the amount of heat energy generated by a system or object? Stacked up all kinds of temperature sensors - resistance temperature detectors (RTD), thermocouples, thermistors, infrared sensors, semiconductors and thermometers.

Robocraze is the best choice for digital temperature sensor because of our commitment to client satisfaction and timely delivery. Choosing our services is choosing innovation, quality, and a reliable business.

Our temperature probes are made to be simple to use and can be easily incorporated into your current process.

We have dedicated employees on hand to assist you in choosing the ideal temperature and humidity sensors for your requirements. Robocraze guarantees affordable prices, first-rate customer service, and a seamless shopping experience.

Temperature Sensor Prices in India

Sensors	Cost
BME/BMP 280 Temperature Sensor Module	Rs.601
BME680 Temperature Sensor Module	Rs.1515
DHT11 Module with ESP8266	Rs.248
Witty Fox - SI7021 Humidity Temperature Sensor Breakout Board	Rs.641
MLX90614ESF Infrared IR Temperature Sensor Module	Rs.999
W1209 Digital Temperature Controller Thermostat Module	Rs.186
DHT11 Temperature Sensor Module	Rs.218
10K Thermistor Temperature Sensor Module	Rs.133
XH-W1219 12V Digital Temperature Controller	Rs.237
DS18B20 Waterproof Digital Thermometer Sensor Probe	Rs.83
DHT22 Humidity and Temperature Sensor Module (AM2302)	Rs. 341
110V~ 220V AC All-Purpose Temperature Control Controller with Sensor 2 Relay Output Thermostat Stc-1000	Rs.529
DC 3-5V MAX6675 Module + K Type Thermocouple Temperature Sensor Thermocouple Sensor Set M6 Screw and Jumper Wire F to F 5pcs	Rs.299
XK-W2001 Adjustable Temperature Controller Socket with 1M Probe and AU Plug	Rs. 864
XH-W3001 DC 12V 120W Digital Display LED Temperature Controller with Thermostat Control Switch Probe	Rs. 340
ZFX-13001 12V DC High Precision Capacitive Humidity Controller	Rs.1608
ASAIR Temperature & Humidity Sensor	Rs. 340
XH-W3001 24V 240W Digital Thermostat Switch	Rs.258
DHT22 Temperature Sensor	Rs.312
100K Ohm NTC 3950 Thermistor	Rs.68
XH-W3001 220V 10A Digital Display LED Temperature Controller With Thermostat Control Switch Probe	Rs. 269
Acrylic Case for XH-W1209 Temperature Controller	Rs. 47
MH13001 10A 220V Mini Digital Air Humidity Control Controller	Rs.1799
DIY Peltier Cooling System Kit with TEC 12706 Peltier	Rs. 629
TEC1 12706 Peltier Module	Rs.177
W1209 Digital Temperature Controller Thermostat Module	Rs.135
XM-18 Mini Digital Automatic Egg Incubator	Rs.3200
TEC1-12715 Peltier Module	Rs.346
Thermoelectric Peltier Refrigeration Cooling System DIY Kit	Rs.459
10K Temperature Sensor (Thermistor)	Rs.6
10K Thermistor Temperature Sensor Module(4 Pin)	Rs.76
12V STC-3028 Dual Digital Thermostat Temperature Humidity Control	Rs.1078
LM35 Temperature Sensor	Rs.70
Mini Digital Thermometer Humidity Hygrometer	Rs.163
Peltier with Heatsink and Fan	Rs.728
10A 220V Mini Digital Air Humidity Controller	Rs.1698
LM35 Sensor Module	Rs.167

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Comparison of Sensor Types: Accuracy, Range & Ease of Use

Applications: Weather Stations, IoT, Smart Home & HVAC Monitoring

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Buy Temperature Sensor Online in India

Temperature Sensor Prices in India

Sensors

Cost

Frequently Asked Questions

1.What is a temperature sensor?

2.What are the types of temperature sensors?

3.Which is the most accurate temperature sensor?

An RTD is the most accurate and stable sensor and is more linear than a thermocouple or thermistor. However, RTDs are the slowest and most expensive sensors. Therefore, precision applications where accuracy is critical while speed and cost are less important.

4.What are the applications of a temperature sensor?

5. What types of temperature sensors are available?

6. Are these sensors compatible with Arduino and Raspberry Pi?

7. Can these sensors measure humidity as well?

8. What is the measurement range of DHT11 and BME680?

9.Are these sensors suitable for IoT applications?

Let customers speak for us

All Categories

Temperature & Humidity Sensors - DHT11, BME680 & IR Sensors

Categories

Refined By Clear all

Availability

Price

Featured Products

Sort by:

Recently Viewed Products

All About Temperature & Humidity Sensors

Categories

Comparison of Sensor Types: Accuracy, Range & Ease of Use

Applications: Weather Stations, IoT, Smart Home & HVAC Monitoring

Installation & Calibration Tips

Buy Temperature Sensor Online in India

Temperature Sensor Prices in India

Sensors

Cost

Frequently Asked Questions

1.What is a temperature sensor?

2.What are the types of temperature sensors?

3.Which is the most accurate temperature sensor?

An RTD is the most accurate and stable sensor and is more linear than a thermocouple or thermistor. However, RTDs are the slowest and most expensive sensors. Therefore, precision applications where accuracy is critical while speed and cost are less important.

4.What are the applications of a temperature sensor?

5. What types of temperature sensors are available?

6. Are these sensors compatible with Arduino and Raspberry Pi?

7. Can these sensors measure humidity as well?

8. What is the measurement range of DHT11 and BME680?

9.Are these sensors suitable for IoT applications?

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