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OEM Length DS18B20 10K 1% B3950 Waterproof Digital Temperature Sensor Probe

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OEM Length DS18B20 10K 1% B3950 Waterproof Digital Temperature Sensor Probe

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Brand Name :	SG
Model Number :	NTC Temperature Sensor
Certification :	CQC ROHS
Price :	Negotiate
Payment Terms :	T/T, L/C
Supply Ability :	50000000pcs per month
Delivery Time :	Negotiate

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OEM Length DS18B20 10K 1% B3950 Waterproof Digital Temperature Sensor Probe

OEM Length DS18B20 10K 1% B3950 Waterproof Digital Temperature Sensor Probe 

Description of Thread Housing NTC Temperature Sensor
Temperature sensor is made with high precision, reliable NTC thermistor connected to high quality PVC cable, which is wrapped with insulated, heat conductive and water resistant materials into desired shapes, so as to facilitate long-distance temperature measurement and control and installation.
Details of Thread Probe NTC Temperature Sensor
WATER-PROOF
Waterproof Stainless steel sheath
NO EXTERNAL COMPONENTS
Unique 1-wire interface requires only one port pin for communication.
UNIQL JE STORAGE METHOD
Each device has a unique 64 bit serial code stored in an onboard ROM.
Features

1. Wide operating temperature range, good stability and reliability.
2. Easy to installation and manipulation as the sealing can be done according to environment and conditions there it is applied by customer.
3. Accurate testing can reflect temperature change precisely.
4. Insulating resistance(MΩ): over 100MΩ at DC500 V
5. Working temperature range(°C): -50 to +150
6. Dissipation factor(mw/°C): 1-2 (in still air)
7. Thermal time constant(s): within 10-20 sec (in air)

Temperature sensor used for temperature measurement, sensing and control in:

• Water boilers
• Heating systems
• Chiller systems
• Water and used water systems
• Water and oil tanks
• Consumer appliances , Coffee machines
• Industrial appliances
• Solar heating systems

Type	NTC(thermistor) Temperature Sensor
Temperature range	-50℃ ~ +300℃；Customized
Accurancy	1%；5%；10%
RT(25℃)	1K；2K；2.2k；2.7k；3K；5K；7K；8K；12K；15K；20K；25K；30K；40K；47K；50K；60K；70K；100K；200K；230K；250K；470K；500K；1000K；Customized
B value	3274；3435；3470；3928；3950；3977；4100；4200；4400；Customized
Probe Material	Stainless steel SS304； aluminum；copper；plastic；epoxy；glass
Installation	Flanged；Surface；Threaded；Plastic；Straight；Film；Customized
Wire Material	Heat shrinkable tube；PVC tube；glass fiber tube； teflon tube
Connector	Molex；JST；DuPont；CWB；CJT；U type；Customized
Waterproof	IP67；IP68

All parameters could be custom design.

Service standards: we are committed to providing a high quality,and responsive services to all clients.

The fastest reply: detailed informations, specific model and price of products will be provided quickly after receiving your inquiry.

Quality assurance: good quality is assured by advanced manufacturing technology. And all products will be checked by our quality-control manager.

Operating temperature and environment of NTC temperature sensor depend on specific performance of its core element and lead wire:

►Different NTC thermistor using in the NTC temperature sensors with the following different operating temperature:

Chip or MF52A,MF51E,MF55: temperature resist grade 125℃,actual temperature resist grade 150℃
MF58: temperature resist grade 200℃,actual temperature resist grade 250℃
MF51: temperature resist grade 200℃,actual temperature resist grade 250℃
Special MF51: temperature resist grade 250℃,actual temperature resist grade 300℃
Weldless chip:temperature resist grade 450℃,actual temperature resist grade 500℃

►Operating environment

In the environment of high temperature,high humidty and high corrosion,we suggest to use glass sealed type thermistor as the core element.And MF51 type will be the best NTC thermistor in high humidity environment.

►Design considerations and procedure of temperature sensor:

1. Choose the shape acoording to customer's design or assemble requirements, and confirm the thermistor.
2. Confirm the thermistor element and other materials according to customers' requirement
3. Choose the suitable resistance,B value and tolerance
4. Choose suitable moisture-proof and insulation technology to meet customer's requirement
5. Choose suitable encapsulation structure to meet performance requirements of mechanical shock resistance
6. Meet customer's special requirements.

Reliability Test

Test Item	Test Standard	Test method	Performance requirements
Zero Power Resistance	IEC 60539-1	Immerse samples in the constant temperature bath at 25℃±0.005℃,test steady resistance	Resistance tol ±1%
B value	IEC60539-1	Immerse samples in the constant temperature bath at 25℃,50℃(or 85℃), test steady resistance,and calculate B value	Resistance tol ±1%
Free fall	IEC60068-2-32	Fall height: 1.5±0.1m,Surface: Cement , 1 time	No obvious damage, R25 △R/R≤±1%
Insulation	IEC60539-1	500V pressure on insulation shell test insulation resistance	>500MOhm
Withstand voltage	IEC60539-1	Withstand voltage: 1500V/AC ,Leakage current:2mA Lasting: 60sec	No obvious damage
Tension	IEC60068-2-21	Pull uniform speed at the end, F>4.0KG(requested by customer)	No obvious damage, R25 △R/R≤±1%
Vibration	Q/HBm 108-94	Test frequency: 10~500Hz,swing: 1.2mm acceleration: 30m/s2 Direction X,Y,Z Time:8Hour/direction	No obvious damage, R25 △R/R≤±1%
Steady humidity and heat	IEC60068-2-78	Temp:40±2℃ Humidity:92-95%RH Time:1000±24Hour	No obvious damage, R25 △R/R≤±1%
Thermal time constant	EC60539-1	Immerse in 25℃ water,after thermal balance,immerse in 85℃,resistance arrives 63.2%,calculate total time	<10 sec
High temperature storage	IEC60068-2-2	Temp:125℃±5℃ Time: 1000±24Hour	No obvious damage, R25 △R/R≤±1%
Cold and thermal shock	IEC60068-2-14	-40℃~+125℃ T1:30min Cycle time:1000	No obvious damage, R25 △R/R≤±1%
Knock experiment	IEC60068-2-77	Acceleration:250m/s2 Pulse lasting: 6ms Knock times: 1000 Recovery time: 2 Hour	No obvious damage, R25 △R/R≤±1%
Low temperature storage	IEC60068-2-1	Temp: 40±2℃ Time: 1000±24Hour	No obvious damage, R25 △R/R≤±1%
Salt spray	IEC60068-2-11	Temp: 35±2℃ Collection hour : 1.0mL~2.0mL Time: determine per as actual demand	No obvious damage, R25 △R/R≤±1%

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1. The application of the thermistor:__________
2.Working environment of thermistor:________
3.The range of operation temperature:___°c to ___°c
4.The dimension and the drawing of the Thermistor

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