Model:MFP-7 Series
Key Feature:Flexible Pipe Clamp
MOQ(Standard):500 pcs
MOQ(Customized):TBD
Fucusens Solution

A Compact NTC Sensor Designed for Direct Clamp Mounting
Conventional surface temperature probes may require brackets, screws, adhesive or additional holders before they can be fixed to a pipe or heating surface.Focusens clamp-mount NTC sensor integrates the sensing element and mounting structure into one finished assembly.
Our Capability | What It Solves | Value to Your Business |
Clamp-mount structure | Complicated surface-sensor installation | Faster direct mounting |
Elastic metal clamp | Sensor contact may loosen | More stable mechanical fixing |
Curved elastic contact piece | Poor contact with measured surface | Helps improve thermal transfer efficiency |
Compact design | Limited installation space | Easier installation |
Heat-resistant plastic holder | Ordinary plastic may not suit heating applications | Better environmental suitability |
Fast response | Slow temperature feedback | Faster control response |
Various NTC R-T curves available | Sensor curve does not match controller | Easier electrical compatibility |
Custom wire size and color | Standard product does not fit equipment | Better OEM flexibility |
Different connectors available | Additional wiring work required | Easier direct equipment integration |
Ready-to-use assembly | Customer needs secondary fabrication | Reduces assembly work |
Typical Applications
Application | Typical Customer | Recommended Solution | Why This Configuration |
Pipe Heating Temperature Monitoring | Pipe heating and freeze-protection system manufacturers | Pipe-mounted NTC sensor matched to pipe diameter | Direct clamp mounting provides convenient surface temperature monitoring |
Floor Heating System | Floor heating controller and heating system manufacturers | Compact clamp-mount NTC temperature sensor | Small size and convenient installation support heating-system temperature feedback |
Cogeneration / Combined Heat & Power Systems | Thermal and energy equipment manufacturers | High-reliability pipe-mounted NTC sensor | Suitable for monitoring thermal-system pipe or surface temperature |
Heating Pipe Temperature Control | Heating equipment manufacturers | Customized pipe clamp NTC sensor | Clamp structure and NTC curve can be matched to the heating pipe |
Hot Water Circulation Pipe Monitoring | Water heating and circulation system manufacturers | Clamp-mounted surface temperature sensor | Allows temperature monitoring without complex probe installation |
Custom Thermal Equipment | OEM heating and thermal equipment manufacturers | Customized clamp-mount NTC sensor | NTC, clamp, wire and connector can be matched to equipment |

Technical Specifications & Selection Guide
Parameter | Specification | Selection Notes |
Product Type | Pipe-Mounted / Clamp-Mount NTC Temperature Sensor | Surface temperature measurement |
Sensing Element | NTC Thermistor | Various R and B values available on request |
Temperature Range | -40°C to +105°C | According to supplied technical data |
Mounting Type | Elastic Clamp / Clamp Mount | Direct pipe or surface mounting |
Sensor Structure | Compact clamp-mounted design | Convenient installation |
Housing | Heat-resistant plastic holder | According to supplied product structure |
Response Time | T0.63 ≤30s in water at 0.4m/s | Specified test condition |
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 |
NTC R-T Curve | Different curves available | According to controller requirements |
Probe / Wire Size | Customizable | According to equipment design |
Wire Color | Customizable | According to customer requirements |
Connector | Different types available | According to equipment interface |
Additional Protection | Different SUS housings available if required | According to application |
Product Structure & Selection Guide
Selection Item | What to Confirm | Why It Matters |
R25 Resistance | Required resistance at 25°C | Must match the controller |
B Value | Required NTC B value | Determines R-T curve |
Tolerance | Resistance / temperature accuracy requirement | Affects measurement consistency |
Temperature Range | Normal and maximum operating temperature | Confirms sensor suitability |
Pipe / Surface Size | Diameter or mounting dimensions | Determines clamp compatibility |
Mounting Position | Pipe / heating surface / equipment structure | Determines sensor configuration |
Contact Requirement | Direct surface contact | Affects thermal response |
Thermal Conductive Silicone | Whether required by application | Can help improve thermal contact where appropriate |
Wire Size / Length | Equipment wiring requirement | Ensures easier installation |
Connector | Equipment interface | Allows direct connection |
3 Common Mistakes When Selecting a Pipe-Mounted NTC Sensor
Common Mistake | Why It Causes Problems | Better Approach |
If the NTC value is correct, installation does not matter. | Poor surface contact can cause slower or less representative temperature feedback. | Confirm both NTC parameters and mounting contact. |
Any clamp size can work on the pipe. | Incorrect clamp size may cause loose mounting or excessive mechanical stress. | Provide the pipe diameter or mounting dimensions. |
Any 10K NTC is compatible. | Different B values result in different R-T curves even when R25 is the same. | Confirm R25 + B Value + Tolerance. |

A Compact NTC Sensor Designed for Direct Clamp Mounting
Conventional surface temperature probes may require brackets, screws, adhesive or additional holders before they can be fixed to a pipe or heating surface.
Our clamp-mount NTC sensor integrates the sensing element and mounting structure into one finished assembly.
Our Capability | What It Solves | Value to Your Business |
Clamp-mount structure | Complicated surface-sensor installation | Faster direct mounting |
Elastic metal clamp | Sensor contact may loosen | More stable mechanical fixing |
Curved elastic contact piece | Poor contact with measured surface | Helps improve thermal transfer efficiency |
Compact design | Limited installation space | Easier installation |
Heat-resistant plastic holder | Ordinary plastic may not suit heating applications | Better environmental suitability |
Fast response | Slow temperature feedback | Faster control response |
Various NTC R-T curves available | Sensor curve does not match controller | Easier electrical compatibility |
Custom wire size and color | Standard product does not fit equipment | Better OEM flexibility |
Different connectors available | Additional wiring work required | Easier direct equipment integration |
Ready-to-use assembly | Customer needs secondary fabrication | Reduces assembly work |

Application | Typical Customer | Recommended Solution | Why This Configuration |
Pipe Heating Temperature Monitoring | Pipe heating and freeze-protection system manufacturers | Pipe-mounted NTC sensor matched to pipe diameter | Direct clamp mounting provides convenient surface temperature monitoring |
Floor Heating System | Floor heating controller and heating system manufacturers | Compact clamp-mount NTC temperature sensor | Small size and convenient installation support heating-system temperature feedback |
Cogeneration / Combined Heat & Power Systems | Thermal and energy equipment manufacturers | High-reliability pipe-mounted NTC sensor | Suitable for monitoring thermal-system pipe or surface temperature |
Heating Pipe Temperature Control | Heating equipment manufacturers | Customized pipe clamp NTC sensor | Clamp structure and NTC curve can be matched to the heating pipe |
Hot Water Circulation Pipe Monitoring | Water heating and circulation system manufacturers | Clamp-mounted surface temperature sensor | Allows temperature monitoring without complex probe installation |
Custom Thermal Equipment | OEM heating and thermal equipment manufacturers | Customized clamp-mount NTC sensor | NTC, clamp, wire and connector can be matched to equipment |
Technical Data
Parameter | Specification | Selection Notes |
Product Type | Pipe-Mounted / Clamp-Mount NTC Temperature Sensor | Surface temperature measurement |
Sensing Element | NTC Thermistor | Various R and B values available on request |
Temperature Range | -40°C to +105°C | According to supplied technical data |
Mounting Type | Elastic Clamp / Clamp Mount | Direct pipe or surface mounting |
Sensor Structure | Compact clamp-mounted design | Convenient installation |
Housing | Heat-resistant plastic holder | According to supplied product structure |
Response Time | T0.63 ≤30s in water at 0.4m/s | Specified test condition |
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 |
NTC R-T Curve | Different curves available | According to controller requirements |
Probe / Wire Size | Customizable | According to equipment design |
Wire Color | Customizable | According to customer requirements |
Connector | Different types available | According to equipment interface |
Additional Protection | Different SUS housings available if required | According to application |
Typical NTC Thermistor Options
A wide range of NTC resistance and B-value combinations are available for different controller and temperature sensing requirements.
R25 Resistance | B Value | Accuracy |
0.5KΩ | B25/85: 3435K | 0.5%-5% |
0.5KΩ | B25/85: 3560K | 0.5%-5% |
1KΩ | B25/85: 3540K | 0.5%-5% |
2KΩ | B25/85: 3540K | 0.5%-5% |
2.19KΩ | B25/50: 3470K | 0.5%-5% |
2.19KΩ | B25/50: 3990K | 0.5%-5% |
2.2KΩ | B25/85: 3977K | 0.5%-5% |
2.252KΩ | B25/85: 3977K | 0.5%-5% |
2.7KΩ | B25/85: 3977K | 0.5%-5% |
2.78KΩ | B25/50: 4150K | 0.5%-5% |
2.795KΩ | B25/85: 3977K | 0.5%-5% |
5KΩ | B25/85: 3977K | 0.5%-5% |
5KΩ | B25/100: 3988K | 0.5%-5% |
8KΩ | B25/85: 3988K | 0.5%-5% |
10KΩ | B25/85: 3988K | 0.5%-5% |
50KΩ-2MΩ | B Value: 3900-4800K | Available on request |
Accuracy Options
Resistance Tolerance: 0.5%-5% available on request.
Temperature Accuracy: Approximately ±0.1°C to ±2°C, depending on thermistor specification, calibration and operating conditions.
Custom R-T Curve Available
If your controller already uses a defined temperature-resistance curve, please provide: R25 + B Value + Tolerance + R-T Table. We can evaluate an NTC element matched to your control system.
How to Select Right Pipe-Mounted NTC Sensor
Selection Item | What to Confirm | Why It Matters |
R25 Resistance | Required resistance at 25°C | Must match the controller |
B Value | Required NTC B value | Determines R-T curve |
Tolerance | Resistance / temperature accuracy requirement | Affects measurement consistency |
Temperature Range | Normal and maximum operating temperature | Confirms sensor suitability |
Pipe / Surface Size | Diameter or mounting dimensions | Determines clamp compatibility |
Mounting Position | Pipe / heating surface / equipment structure | Determines sensor configuration |
Contact Requirement | Direct surface contact | Affects thermal response |
Thermal Conductive Silicone | Whether required by application | Can help improve thermal contact where appropriate |
Wire Size / Length | Equipment wiring requirement | Ensures easier installation |
Connector | Equipment interface | Allows direct connection |
3 Common Mistakes When Selecting a Clamp-Mount NTC Sensor
Common Mistake | Why It Causes Problems | Better Approach |
If the NTC value is correct, installation does not matter. | Poor surface contact can cause slower or less representative temperature feedback. | Confirm both NTC parameters and mounting contact. |
Any clamp size can work on the pipe. | Incorrect clamp size may cause loose mounting or excessive mechanical stress. | Provide the pipe diameter or mounting dimensions. |
Any 10K NTC is compatible. | Different B values result in different R-T curves even when R25 is the same. | Confirm R25 + B Value + Tolerance. |
For a Clamp-Mount Sensor, Electrical Stability and Surface Contact Are Both Critical
A surface temperature sensor can have the correct NTC parameters but still perform poorly if the mounting structure does not maintain reliable contact with the measured surface.
The complete sensor therefore depends on: NTC Stability + Elastic Clamp Force + Surface Contact + Insulation + Mechanical Structure + Cable Connection
Incoming Material Inspection
· NTC thermistors checked according to required resistance and B value
· Heat-resistant plastic components checked according to product specification
· Elastic metal clamp components inspected for structure and consistency
· Wire and insulation materials checked before production
· Connectors verified according to customer requirements
Process Control
· NTC-to-wire connection controlled for electrical reliability
· Sensor element positioned correctly inside the mounting structure
· Plastic holder and elastic clamp assembled according to design
· Clamp and contact-piece geometry checked for consistent mounting
· Wire length and connector configuration verified before final assembly
Finished Product Inspection
Test Item | Specification | Purpose |
NTC Resistance | According to confirmed R25 | Verify electrical characteristics |
B Value / R-T Characteristics | According to selected NTC | Ensure controller compatibility |
Temperature Range | -40°C to +105°C | Verify application suitability |
Response Time | T0.63 ≤30s in water at 0.4m/s | Verify thermal response under specified conditions |
Dissipation Factor | ≥2.5mW/°C | Verify thermistor 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 | Verify insulation reliability |
Clamp / Mounting Structure | According to approved specification | Ensure installation consistency |
Appearance | No obvious structural defects | Verify finished assembly quality |
If You Are an Equipment Manufacturer / OEM
Common Problem | What It Means for Your Business |
The sensor is difficult to install on the pipe | Conventional probes may require brackets, drilling or additional fixing components. |
Poor surface contact causes slow or unstable temperature feedback | A loose sensor cannot transfer heat efficiently from the measured surface. |
The clamp does not match the pipe size | Incorrect mounting dimensions may result in loose installation or excessive mechanical stress. |
The NTC curve does not match the controller | Incorrect R25 or B value results in temperature measurement errors. |
The sensor takes up too much installation space | Bulky probes are difficult to integrate into compact heating systems. |
Long-term drift affects temperature control | Unstable sensor performance may reduce system consistency over time. |
Wire or connector does not match the equipment | Reworking the sensor increases production time. |
If You Are a Distributor / Importer
Common Problem | What It Means for Your Business |
One clamp size cannot cover different customers | Different pipes and equipment require different mounting dimensions. |
Customers use different NTC curves | Different controllers may require different R25 and B-value combinations. |
Standard sensors do not fit customer equipment | Fixed mounting structures limit OEM project opportunities. |
Customers need compact sensors | Bulky probe structures are unsuitable for some heating systems. |
Customers want direct installation | Secondary brackets or processing reduce product convenience. |
Technical matching takes too long | NTC parameters and mechanical mounting need to be confirmed together. |
Sample Support
Item | Support |
Standard Sample | According to available specifications and stock |
Customized Sample | Available after specification confirmation |
NTC Selection | Support for R25 / B-value / R-T curve matching |
Clamp Selection | According to pipe or surface dimensions |
Wire Selection | According to application environment |
Connector Matching | Different connector types available |
Sample Validation Before Mass Production
For a clamp-mount temperature sensor, sample validation should confirm both electrical compatibility and mechanical / thermal compatibility.
Electrical Compatibility
· R25
· B value
· Tolerance
· R-T curve
· Response
Mechanical / Thermal Compatibility
· Clamp size
· Mounting position
· Surface contact
· Clamp force
· Pipe diameter
· Wire routing
· Connector
Surface Contact Is Especially Important
A surface-mounted NTC sensor does not measure temperature in exactly the same way as an immersion probe. Its performance depends strongly on the thermal contact between the sensor and the measured surface. Where required by the application, thermal conductive silicone can be used to help improve thermal transfer.
Quality Assurance
Item | Our Approach |
NTC Parameters | According to confirmed R25 and B value |
R-T Curve | Matched according to controller requirements |
Clamp Structure | According to approved dimensions |
Housing | According to application requirements |
Wire | According to temperature and equipment |
Connector | According to equipment interface |
Customized Product | Specification 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, clamp, wire and connector requirements |
Sample Lead Time | Confirmed after specification review |
Cooperation Process: Application Review → NTC Curve Confirmation → Pipe / Mounting Dimensions → Clamp Structure → Wire / Connector → Drawing Approval → Sample Testing → Pilot Order → Mass Production
About Us
Capability | Details |
Main Products | NTC Temperature Sensors, RTD Sensors, Surface Temperature Sensors, Immersion Probes and Custom Sensor Assemblies |
Sensor Elements | NTC thermistors and other temperature sensing solutions |
Electrical Customization | R25, B value, tolerance and R-T curve |
Mechanical Customization | Clamp structure, sensor dimensions and mounting design |
Wire Customization | Wire size, length and color |
Housing Options | Heat-resistant plastic and applicable protection structures |
Connection | Different connector options available |
OEM / ODM | Custom development based on drawings, samples and applications |
About Us From NTC Element to Ready-to-Install Clamp Sensor
For a pipe-mounted temperature sensor, choosing the thermistor is only half of the job.
The complete sensor must match: R25 + B Value + R-T Curve + Pipe Size + Clamp Structure + Surface Contact + Wire + Connector
Our goal is to provide a finished sensor assembly that can be installed directly into your heating or thermal-control system.

Q1: What is a pipe-mounted / clamp-mount NTC temperature sensor?
It is an NTC temperature sensor integrated with a mechanical clamp structure. The sensor can be fixed directly onto a pipe or equipment surface for surface temperature measurement.
Q2: What is the temperature range?
According to the supplied specification: -40°C to +105°C.
Q3: What is the response time?
The specified response time is T0.63 ≤30 seconds in water at 0.4m/s. Actual response on a pipe or surface depends on surface contact, material, mounting position and thermal conditions.
Q4: Can the sensor be used for pipe temperature measurement?
Yes. Pipe heating is one of the listed typical applications. The clamp size should be matched to the actual pipe or mounting dimensions.
Q5: Is thermal conductive silicone required?
Not always. The supplied structure information indicates that thermal conductive silicone can be used where required. Whether it is necessary depends on surface contact and thermal-transfer requirements.
Q6: Can I choose a different NTC R-T curve?
Yes. Different NTC R-T curves are available according to controller requirements.
Q7: Can I customize the wire size and color?
Yes. Different wire sizes and colors are available according to project requirements.
Q8: Can you provide different connectors?
Yes. Please send the connector model, photo or equipment interface information.
Q9: Can the clamp or mounting structure be customized?
The product can be customized according to the temperature environment and application. Please provide the pipe diameter, mounting dimensions or existing sensor.
Q10: Can this sensor replace an immersion temperature probe?
Not automatically. A clamp-mounted sensor measures surface temperature, while an immersion probe measures temperature directly inside liquid or air. The correct structure depends on the actual measurement requirement.
Q11: Can you match my existing sensor?
Yes. Please provide Existing Sensor + R25 + B Value + R-T Curve + Pipe Size + Wire + Connector for evaluation.
Q12: What information do you need for a quotation?
For a faster quotation, please provide Application + R25 + B Value + Temperature Range + Pipe / Mounting Size + Wire Length + Connector + Quantity.




Expert for Thermistors Temperature Sensors Humidity Sensors Level Sensors ; Reliable but flexible custom products development
100+ Sensing Solutions Developed Annually for Different Applications
80+ Countries Customers Serviced