Stainless Steel NTC Thermistor Probe B3950 10K in water dispenser

The NTC temperature sensor 1% B3950 10K, 5 x 25mm with XH2.54 Connector in a water dispenser is a device used to measure the temperature of water. This sensor is usually a temperature sensor that converts the temperature information of the water into an electrical signal. Here are some types of temperature sensors that may be used in water dispensers:
These NTC temperature sensor 10K, 15เค, 20เค, 50K probe types can vary depending on the design of the water dispenser and the manufacturer’s choice. The accuracy, response speed and stability of the sensor are critical to the performance of the water dispenser, so manufacturers usually choose the appropriate sensor type for a specific application.

1. The resistance of different types of NTC temperature sensor is different, but how to judge the quality of the temperature sensor? Very simple, it is to measure its voltage online, the normal voltage at 25 degrees is generally between + 2 - + 2.5วี .

2. Because the human body temperature is constant, the on-circuit voltage is not constant (approximately 2.17V) when holding the temperature-sensing head for a while.

3. Unplug the NTC temperature-sensing head, and measure the resistance of the two pins of the socket on the line. The resistance value is basically the model value of the temperature-sensing head at 25 ℃ (this method is inaccurate after actual inspection). If the resistance is about 8K, the model value of the NTC sensor temperature head is generally 10K; if it is a 4.7K resistance, it is a 5K temperature head; and so on. However, for some large air conditioners, the resistance value of the NTC temperature sensor of the control board of the inverter air conditioner external unit is 3 times the lower bias resistance, that is, the resistance value measured by the above method multiplied by 3 is the resistance value of the NTC sensor at 25 ° C.

4. The model value of the NTC temperature sensor is its resistance value at 25 ℃, usually 5K, 10เค, 15เค, 20เค, 25k, 50เค, 100K which are generally negative temperature coefficient, that is, the higher the temperature, the more the resistance value small.

5. พูดโดยทั่วไป, the temperature of the internal machine tube and the room temperature resistance are the same.

Stainless Steel NTC Thermistor Probe B3950 10K in water dispenser

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คำอธิบาย

TYPE:	NTC Thermistor Probe	B25/50:	3950เค, 3977เค, 3435เค
Sensor Head:	O Ring, Fork Metal, Injected Tube, NPT, M16, tainless Steel Tube	Wire:	CL2 PT4,#24 2466,#28 1332
การใช้งาน:	เซ็นเซอร์อุณหภูมิ, Instant Water Heaters, water heater, air conditioner, refrigerator, water fountain, induction cooker, coffee maker	Pn (rated Power):	50mw
แสงสูง:	EPCOS / AVX / SEMITEC /SUBARA / MITSUBISHI / OHIZUMI NTC thermistor Sensor, 3977K NTC Temperature Sensor, Thermistor Water Temperature Probe

Custom NTC Thermistor Probe Wire 0.5M~10M Theory Signal Output Origin.

Specification Name	Scope	Detection Condition
R25(nominal resistance value)	1k, 2k, 2.7k, 3k, 5k, 10k, 15k, 20k, 30k, 40k, 47k, 50k, 100k, 200k (EPCOS / AVX / SEMITEC /SUBARA / MITSUBISHI / OHIZUMI NTC thermistor)	Constant temperature 25℃±0.05℃
R25 Permissible variance(%)	±1,±2, ±3, ±5, ±10	Constant temperature 25℃±0.05℃
B25/50 or B25/85(material coefficient)(thermal-sensitivity index)	2500~5000K	Constant temperature 25℃±0.05℃ Constant temperature 85℃±0.05℃
B25/50 Value permissible variance(%)	±1,±2	Constant temperature 25℃±0.05℃ Constant temperature 50℃±0.05℃
∫(dissipation coefficient)	≥0.8mw/℃	Static in the air
T(thermal time constant)	≤25S	Static in the air
Ta(Working temperature)	-30℃~+120℃
Pn (rated power)	50mw	within working temperature
Case and head		Fork head, O ring head,drops of water head, Metal case, Thread copper case, injection head, tainless Steel Tube, or according to client’s drawing
Lead wire		#24 30# 2651, UL4411 28#, double wired conductor and so on, or according to client’s request.
เทอร์มินัล		Can be riveted according to the requirements of various terminals

The sensor’s connection terminal and housing size and lead length can be customized according to customer requirements

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คำถามที่พบบ่อย

Q1. Can I have a sample order for NTC, PT100,PT1000, RTDs, and Ds18b20 SENSOR?
ก: ใช่, we welcome sample order to test and check quality. Mixed samples are acceptable.