- Product information
- Focusens Solution
- Typical Application
- Technical Specifications & Selection Guide
- How Do We Control Quality?
- Are You Facing Any of These Temperature Sensor Problems?
- Why Choose Focusens Threaded NTC Temperature Sensor?
- Frequently Asked Questions
- Purchase history
- Customer Reviews
- Buyers Q & A
Model：MFP-5 Series
Key Feature：Secure Threaded Temperature Sensing
MOQ(Standard)：500 pcs
MOQ(Customized)：TBD
Fucusens Solution
This Threaded Probe RTD Temperature Sensor is designed for accurate and stable temperature measurement in industrial equipment, pipelines, heating systems, and process applications. Featuring a durable stainless steel probe and threaded mounting structure, the sensor provides secure installation and reliable temperature detection in demanding environments. Different probe lengths, thread sizes, cable configurations, and RTD elements can be customized to meet specific OEM requirements.
Our Capability | What It Solves | Value to Your Business |
Threaded mounting structure | Sensor is difficult to fix securely | Direct screw-in installation |
Screw and nut mounting options | Different mounting structures | Greater installation flexibility |
Solid housing structure | Weak or unstable mounting | Improved mechanical reliability |
Waterproof construction | Moisture affects sensor performance | Better suitability for water-related equipment |
Fast response | Slow temperature feedback | Faster monitoring and control |
Various NTC R & B values | Sensor does not match controller | Easier electrical compatibility |
Custom SUS housing | Standard housing does not fit equipment | Better mechanical integration |
Custom cable | Standard cable does not match temperature or routing | Better installation compatibility |
Connector options | Extra wiring work is required | Easier direct connection |
Finished assembly | Customer needs secondary fabrication | Ready for installation |
Typical Applications
Application | Typical Customer | Recommended Solution | Why This Configuration |
Water Heater Temperature Monitoring | Residential and commercial water heater manufacturers | Waterproof threaded NTC sensor with SUS housing | Screw-in installation provides secure mounting and direct water temperature monitoring |
Coffee Machine Water Temperature Control | Coffee machine manufacturers | Compact threaded NTC probe with customized thread | Secure installation in boilers or heating assemblies with controller-matched NTC parameters |
Water Boiler Temperature Monitoring | Water boiler and beverage equipment manufacturers | End-thread or front-thread waterproof NTC sensor | Solid threaded structure supports direct installation and reliable feedback |
Solar Thermal / Hot Water Systems | Solar water heater and thermal system manufacturers | Threaded SUS NTC temperature sensor | Suitable for hot-water circulation and storage systems |
Hot Water Tank Temperature Monitoring | Tank and water heating equipment manufacturers | Custom screw-in NTC temperature probe | Thread, housing length and cable can be matched to tank installation |
Custom Liquid Heating Equipment | OEM thermal equipment manufacturers | Customized threaded NTC sensor | NTC, thread, housing, cable and connector can match existing equipment |
Technical Specifications & Selection Guide
Parameter | Specification | Selection Notes |
Product Type | Threaded NTC Temperature Sensor | Screw-in equipment mounting |
Sensing Element | NTC Thermistor | Various R and B values available on request |
Temperature Range | -30°C to +125°C | According to supplied technical data |
Mounting Type | Threaded / Screw & Nut Mounting | According to equipment structure |
Housing Structure | Solid metal housing | Mechanical protection and mounting |
Response Time | T0.63 ≤30s in water at 0.4m/s | Under specified test conditions |
Dissipation Factor | ≥2.5mW/°C | According to technical data |
Long-Term Stability | Drift ≤3% after 1,000h heat or cold storage at 80°C / -30°C | Specified storage condition |
Dielectric Strength | 1500VAC | Electrical insulation |
Insulation Resistance | ≥100MΩ @ 500VDC | Electrical insulation |
Housing Material | SUS housing options available | According to structure and application |
Thread Position | Front-End / End-Thread Options | According to mounting requirement |
Housing Size | Different sizes available | Customizable |
Probe / Wire Size | Customizable | According to equipment design |
Wire Color | Customizable | According to customer requirements |
Connector | Various options available | According to equipment interface |
Product Structure & Selection Guide
Selection Item | What to Confirm | Why It Matters |
NTC Resistance (R25) | Required resistance at 25°C | Must match the controller |
B Value | Required NTC B value | Determines resistance-temperature curve |
Temperature Range | Normal and maximum operating temperature | Determines complete sensor configuration |
Thread Type | Required mounting structure | Must match equipment |
Thread Size | Required thread specification | Determines mechanical compatibility |
Thread Position | Front-end / end-thread | Must match installation structure |
Housing Material | SUS / required material | Match operating environment |
Housing Length | Required insertion or mounting depth | Ensures correct sensing position |
Cable Material | According to temperature | Ensures cable reliability |
Cable Length | Required lead length | Matches equipment wiring |
Connector | Existing equipment interface | Allows direct installation |
3 Common Mistakes When Selecting a Pipe-Mounted NTC Sensor
Common Mistake | Why It Causes Problems | Better Approach |
Any 10K NTC will work. | Two 10K thermistors may use different B values and therefore different R-T curves. | Confirm R25 + B Value + Tolerance. |
If the thread fits, the sensor is compatible. | Mechanical compatibility does not guarantee electrical compatibility. | Confirm both thread dimensions and NTC parameters. |
The housing temperature rating is enough. | Cable, connector, insulation and sealing may have different temperature limits. | Evaluate the complete sensor assembly. |
More Than an NTC Thermistor - A Ready-to-Install Threaded Temperature Sensor
A bare NTC thermistor still requires housing, insulation, cable connection, sealing and mechanical mounting. Focusens threaded sensor integrates these requirements into one complete assembly.
Our Capability | What It Solves | Value to Your Business |
Threaded mounting structure | Sensor is difficult to fix securely | Direct screw-in installation |
Screw and nut mounting options | Different mounting structures | Greater installation flexibility |
Solid housing structure | Weak or unstable mounting | Improved mechanical reliability |
Waterproof construction | Moisture affects sensor performance | Better suitability for water-related equipment |
Fast response | Slow temperature feedback | Faster monitoring and control |
Various NTC R & B values | Sensor does not match controller | Easier electrical compatibility |
Custom SUS housing | Standard housing does not fit equipment | Better mechanical integration |
Custom cable | Standard cable does not match temperature or routing | Better installation compatibility |
Connector options | Extra wiring work is required | Easier direct connection |
Finished assembly | Customer needs secondary fabrication | Ready for installation |
Application | Typical Customer | Recommended Solution | Why This Configuration |
Water Heater Temperature Monitoring | Residential and commercial water heater manufacturers | Waterproof threaded NTC sensor with SUS housing | Screw-in installation provides secure mounting and direct water temperature monitoring |
Coffee Machine Water Temperature Control | Coffee machine manufacturers | Compact threaded NTC probe with customized thread | Secure installation in boilers or heating assemblies with controller-matched NTC parameters |
Water Boiler Temperature Monitoring | Water boiler and beverage equipment manufacturers | End-thread or front-thread waterproof NTC sensor | Solid threaded structure supports direct installation and reliable feedback |
Solar Thermal / Hot Water Systems | Solar water heater and thermal system manufacturers | Threaded SUS NTC temperature sensor | Suitable for hot-water circulation and storage systems |
Hot Water Tank Temperature Monitoring | Tank and water heating equipment manufacturers | Custom screw-in NTC temperature probe | Thread, housing length and cable can be matched to tank installation |
Custom Liquid Heating Equipment | OEM thermal equipment manufacturers | Customized threaded NTC sensor | NTC, thread, housing, cable and connector can match existing equipment |
Technical Data
Parameter | Specification | Selection Notes |
Product Type | Threaded NTC Temperature Sensor | Screw-in equipment mounting |
Sensing Element | NTC Thermistor | Various R and B values available on request |
Temperatre Range | -30°C to +125°C | According to supplied technical data |
Mounting Type | Threaded / Screw & Nut Mounting | According to equipment structure |
Housing Structure | Solid metal housing | Mechanical protection and mounting |
Response Time | T0.63 ≤30s in water at 0.4m/s | Under specified test conditions |
Dissipation Factor | ≥2.5mW/°C | According to technical data |
Long-Term Stability | Drift ≤3% after 1,000h heat or cold storage at 80°C / -30°C | Specified storage condition |
Dielectric Strength | 1500VAC | Electrical insulation |
Insulation Resistance | ≥100MΩ @ 500VDC | Electrical insulation |
Housing Material | SUS housing options available | According to structure and application |
Thread Position | Front-End / End-Thread Options | According to mounting requirement |
Housing Size | Different sizes available | Customizable |
Probe / Wire Size | Customizable | According to equipment design |
Wire Color | Customizable | According to customer requirements |
Connector | Various options available | According to equipment interface |
Sensor Construction & Selection Guide
Selection Item | What to Confirm | Why It Matters |
NTC Resistance (R25) | Required resistance at 25°C | Must match the controller |
B Value | Required NTC B value | Determines resistance-temperature curve |
Temperature Range | Normal and maximum operating temperature | Determines complete sensor configuration |
Thread Type | Required mounting structure | Must match equipment |
Thread Size | Required thread specification | Determines mechanical compatibility |
Thread Position | Front-end / end-thread | Must match installation structure |
Housing Material | SUS / required material | Match operating environment |
Housing Length | Required insertion or mounting depth | Ensures correct sensing position |
Cable Material | According to temperature | Ensures cable reliability |
Cable Length | Required lead length | Matches equipment wiring |
Connector | Existing equipment interface | Allows direct installation |
3 Common Mistakes When Selecting a Clamp-Mount NTC Sensor
Common Mistake | Why It Causes Problems | Better Approach |
Any 10K NTC will work. | Two 10K thermistors may use different B values and therefore different R-T curves. | Confirm R25 + B Value + Tolerance. |
If the thread fits, the sensor is compatible. | Mechanical compatibility does not guarantee electrical compatibility. | Confirm both thread dimensions and NTC parameters. |
The housing temperature rating is enough. | Cable, connector, insulation and sealing may have different temperature limits. | Evaluate the complete sensor assembly. |
A Threaded Sensor Must Be Electrically Stable, Waterproof and Mechanically Reliable
Reliable performance depends on the complete assembly: NTC Stability + Housing Strength + Thread Dimensions + Sealing + Electrical Insulation + Cable Connection.
Incoming Material Inspection
· Stainless steel housing materials checked according to specification
· Cable materials confirmed according to application temperature
· Sealing and insulation materials inspected before production
· Connectors and terminals verified according to customer requirements
Process Control
· NTC-to-wire connections controlled for electrical reliability
· Sensing element positioned according to sensor structure
· Insulation and sealing controlled during assembly
· Thread and housing dimensions checked against approved drawings
· Cable and connector configuration checked before final assembly
Finished Product Inspection
Test Item | Specification | Purpose |
NTC Resistance | According to confirmed specification | Verify electrical characteristics |
B Value / R-T Characteristics | According to selected NTC | Ensure controller compatibility |
Temperature Range | -30°C to +125°C | Verify application suitability |
Response Time | T0.63 ≤30s in water at 0.4m/s | Verify thermal response |
Dissipation Factor | ≥2.5mW/°C | Verify thermal characteristics |
Long-Term Stability | Drift ≤3% after 1,000h heat or cold storage at 80°C / -30°C | Verify long-term stability |
Dielectric Strength | 1500VAC | Verify electrical insulation |
Insulation Resistance | ≥100MΩ @ 500VDC | Ensure insulation reliability |
Thread / Housing Dimensions | According to approved drawing | Ensure installation compatibility |
If You Are an Equipment Manufacturer / OEM
Common Problem | What It Means for Your Business |
The sensor cannot be mounted securely | A sensor without the correct threaded structure may require extra brackets or modifications. |
The thread does not match your equipment | Different equipment uses different thread sizes, pitches and mounting depths. |
Water or moisture causes sensor failures | Water heaters, boilers and thermal systems require reliable sealing and insulation. |
Temperature feedback is too slow | Slow response can affect heating control and over-temperature protection. |
The NTC curve does not match your controller | Incorrect R25 or B value can result in inaccurate temperature readings. |
Standard housing dimensions do not fit | Different equipment uses different installation structures. |
Cable or connector requires modification | Secondary wiring increases assembly time and production work. |
The sensor requires additional fabrication before use | Extra machining or assembly reduces production efficiency. |
If You Are a Distributor / Importer
Common Problem | What It Means for Your Business |
One threaded sensor cannot cover different customers | Customers require different thread sizes, housings, NTC parameters and cables. |
Customers require different NTC specifications | Different controllers use different R25 and B values. |
Your supplier only provides fixed housing sizes | OEM projects are difficult to support when customers provide custom drawings. |
Water-related applications generate quality complaints | Poor sealing can create failures in heaters and boilers. |
Products require secondary fabrication | Customers prefer a finished sensor they can install directly. |
Technical matching takes too long | Thread, NTC, housing and cable must all be confirmed before the project can move forward. |
Sample Support
Item | Support |
Standard Sample | According to available specifications and stock |
Customized Sample | Available after specification confirmation |
NTC Selection | Support for R25 and B-value matching |
Thread Selection | Support for thread size and mounting structure |
Housing Selection | According to installation and environment |
Cable Selection | According to operating temperature |
Connector Matching | Different connector options available |
Sample Validation Before Mass Production
Check: NTC Parameters → Temperature Response → Thread Size → Thread Position → Housing Length → Sealing → Cable Routing → Connector
Quality Assurance
Item | Our Approach |
NTC Parameters | According to confirmed R25, B value and tolerance |
Thread Dimensions | According to approved drawing |
Housing Structure | According to application requirements |
Cable | According to required temperature and environment |
Connector | According to equipment interface |
Customized Product | Specifications confirmed before mass production |
Quality Issues | Technical analysis and corrective solution |
MOQ & Lead Time
Item | Details |
Standard Product MOQ | Contact us for current MOQ |
Customized Product MOQ | Depends on customization requirements |
Standard Lead Time | Contact us for current production schedule |
Customized Lead Time | Depends on NTC, thread, housing, cable and connector requirements |
Sample Lead Time | Confirmed after specification review |
About Us
Capability | Details |
Main Products | NTC Temperature Sensors, RTD Sensors, Threaded Temperature Probes, Immersion Probes, Surface Sensors and Custom Sensor Assemblies |
Sensor Elements | NTC thermistors and other temperature sensing solutions |
Electrical Customization | R25 resistance, B value and tolerance |
Mechanical Customization | Thread, housing, probe length and mounting structure |
Cable Customization | Cable material, length, size and color |
Connection | Different connector options available |
Housing Options | Different SUS housing sizes available |
OEM / ODM | Custom development based on drawings, samples and applications |
Q1: What is a threaded NTC temperature sensor?
An NTC temperature sensor integrated into a threaded housing for direct screw-in mounting and temperature measurement.
Q2: What is the temperature range?
According to the supplied specification: -30°C to +125°C. Final configuration should be confirmed according to the complete assembly and actual environment.
Q3: What applications is this sensor suitable for?
Water heaters, coffee machines, water boilers, solar thermal systems, hot water tanks and liquid heating equipment.
Q4: Can the thread size be customized?
Yes. Please provide the existing thread specification or equipment drawing.
Q5: What is the difference between front-end and end-thread structures?
The thread position depends on how the sensor mounts into the equipment. Different positions can be selected according to the existing mechanical design.
Q6: Can I choose different NTC resistance and B values?
Yes. Please provide R25 + B Value + Tolerance or send your existing sensor specification.
Q7: How fast does the sensor respond?
T0.63 ≤30 seconds in water at 0.4m/s under the specified test condition.
Q8: Is the sensor waterproof?
The supplied product information describes it as waterproof. Final waterproof requirements should be confirmed according to actual installation and exposure conditions.
Q9: Can the housing and wire dimensions be customized?
Yes. Different housing sizes, wire sizes and wire colors are available according to project requirements.
Q10: Can you provide different connectors?
Yes. Send the connector model, drawing, photo or mating connector information.
Q11: Can you replace my existing threaded sensor?
Yes. Send Drawing + Photos + NTC Specification + Thread Dimensions + Housing Dimensions + Cable + Connector.
Q12: What information do you need for a quotation?
Application + R25 + B Value + Temperature Range + Thread Specification + Housing Dimensions + Cable + Connector + Quantity.
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