• NTC Thermistor 10K Temperature Sensor Probe Waterproof 3950

NTC Thermistor 10K Temperature Sensor Probe Waterproof 3950

  • Was  RM10.00 
  • RM5.00

  • Product Code: NTC 10k probe
  • Availability: In Stock

A NTC thermosensor which is easy to communicate with temperature devices like our self-made thermometer. It is stainless steel and waterproof probe makes it suitable for any wet or harsh environment.


  • Stainless steel sheath and waterproof


  • Type: NTC 10k±1% 3950
  • Operating temperature range:-20°C - +105°C
  • Insulation Resistance 100MΩ @ 500VDC
  • Stress sustain: 9.8N (1kgF) for 1 minute no deformation
  • Peak Voltage sustain time: 2 seconds, AC1800V 1mA 2 seconds
  • Probe insulation: >100MOhm
  • Output: 2-pin 2510 Female Header Housing
  • Length of wire: 1 meter
  • Length of probe: 30mm (Φ5mm)

Connect with your Arduino Tutorial

The Sketch

Enter the following sketch in Arduino IDE then upload it. If you open your Arduino serial monitor you will be able to see the progress.

// which analog pin to connect
#define THERMISTORPIN A0         
// how many samples to take and average, more takes longer
// but is more 'smooth'
#define NUMSAMPLES 5
// the value of the 'other' resistor
#define SERIESRESISTOR 10000    
int samples[NUMSAMPLES];
void setup(void) {
  // connect AREF to 3.3V and use that as VCC, less noisy!
void loop(void) {
  uint8_t i;
  float average;
  // take N samples in a row, with a slight delay
  for (i=0; i< NUMSAMPLES; i++) {
   samples[i] = analogRead(THERMISTORPIN);
  // average all the samples out
  average = 0;
  for (i=0; i< NUMSAMPLES; i++) {
     average += samples[i];
  average /= NUMSAMPLES;
  Serial.print("Average analog reading "); 
  // convert the value to resistance
  average = 1023 / average - 1;
  average = SERIESRESISTOR / average;
  Serial.print("Thermistor resistance "); 



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