Thermistor Temperature Sensor HT-NTC100K-2M
Thermistor Temperature Sensor HT-NTC100K-2M
The HT-NTC100K-2M is a thermistor-type temperature sensor designed to measure temperature accurately and reliably. This component is widely used in various industrial, automotive, and consumer applications where precise temperature monitoring is crucial.
The HT-NTC100K-2M thermistor temperature sensor is a passive component that converts temperature into electrical resistance. The sensor's resistance value changes in response to changes in temperature, allowing it to detect and measure temperature variations. The sensor's functionality is based on the principle of thermal sensitivity, where the resistance of the thermistor material (in this case, a metal oxide) changes in relation to temperature.
| The HT-NTC100K-2M thermistor temperature sensor is suitable for a variety of applications, including |
Industrial automation
HVAC systems
Medical devices
Automotive systems
Consumer electronics
Building automation
Aerospace and defense applications
The HT-NTC100K-2M can be easily interfaced with microcontrollers, ADCs, or other electronic circuits using a simple voltage divider circuit or a dedicated temperature measurement IC. The sensor's radial leaded configuration and 2-meter long cable make it easy to connect to PCBs or other electronic assemblies.
The HT-NTC100K-2M thermistor temperature sensor is a high-precision, reliable, and cost-effective solution for temperature measurement in various industries. Its compact size, low power rating, and ease of interface make it an ideal choice for designers and engineers looking for accurate and efficient temperature monitoring solutions.
Thermistor Temperature Sensor HT-NTC100K-2M DocumentationOverviewThe HT-NTC100K-2M is a thermistor-based temperature sensor, designed to provide accurate temperature measurements in a wide range of applications. This component is particularly useful in IoT projects that require temperature monitoring, such as environmental monitoring, industrial automation, and smart home applications.Technical SpecificationsSensor Type: NTC (Negative Temperature Coefficient) Thermistor
Resistance at 25C: 100 k
B Value: 3950 K
Operating Temperature Range: -40C to 125C
Accuracy: 1C (_typical) at 25C
Response Time: 10 seconds (typical)
Power Supply: 2.5 V to 5.5 VWiring and PinoutThe HT-NTC100K-2M thermistor temperature sensor has two pins:Pin 1: Signal output (connected to a microcontroller's analog input)
Pin 2: Ground (connected to the microcontroller's ground)Code Examples### Example 1: Arduino Uno Temperature MonitoringIn this example, we'll use an Arduino Uno board to read the temperature from the HT-NTC100K-2M thermistor temperature sensor and display it on the serial monitor.```c++
const int thermistorPin = A0; // Analog input pin
const float bValue = 3950.0; // B value for the thermistor
const float resistanceAt25C = 100000.0; // Resistance at 25Cvoid setup() {
Serial.begin(9600);
}void loop() {
int sensorValue = analogRead(thermistorPin);
float resistance = (1023.0 / sensorValue) - 1.0;
resistance = 100000.0;
float temperature = calculateTemperature(resistance, bValue, resistanceAt25C);
Serial.print("Temperature: ");
Serial.print(temperature);
Serial.println("C");
delay(1000);
}float calculateTemperature(float resistance, float bValue, float resistanceAt25C) {
float temperature = log(resistance / resistanceAt25C);
temperature /= bValue;
temperature += 1.0 / 298.15; // Convert to Kelvin
temperature = 1.0 / temperature - 273.15; // Convert to Celsius
return temperature;
}
```### Example 2: Raspberry Pi Temperature LoggingIn this example, we'll use a Raspberry Pi to read the temperature from the HT-NTC100K-2M thermistor temperature sensor and log it to a file.```python
import RPi.GPIO as GPIO
import time
import mathGPIO.setmode(GPIO.BCM)# Set up the GPIO pin for the thermistor
thermistor_pin = 17
GPIO.setup(thermistor_pin, GPIO.IN)b_value = 3950.0
resistance_at_25c = 100000.0while True:
# Read the analog value from the thermistor
sensor_value = GPIO.input(thermistor_pin)
resistance = (1023.0 / sensor_value) - 1.0
resistance = 100000.0# Calculate the temperature
temperature = calculate_temperature(resistance, b_value, resistance_at_25c)# Log the temperature to a file
with open("temperature_log.txt", "a") as file:
file.write(f"{time.strftime('%Y-%m-%d %H:%M:%S')} {temperature:.2f}C
")time.sleep(60) # Log temperature every minutedef calculate_temperature(resistance, b_value, resistance_at_25c):
temperature = math.log(resistance / resistance_at_25c)
temperature /= b_value
temperature += 1.0 / 298.15 # Convert to Kelvin
temperature = 1.0 / temperature - 273.15 # Convert to Celsius
return temperature
```Note: In the Raspberry Pi example, we assume that the HT-NTC100K-2M thermistor is connected to GPIO pin 17. You may need to adjust the pin number based on your specific setup.