4mm Rtd Pt100 ODM Factory | Custom Sensor Solutions

I provide 4mm Rtd Pt100 sensors engineered for precision and durability in demanding industrial processes. With compact 4mm diameter probes and high-reliability Pt100 elements, these sensors deliver stable readings across wide temp ranges and steady long-term performance. I offer ODM solutions to tailor connectors, sheathing, and calibration to your exact requirements, plus Factory direct pricing and fast lead times to keep your production on track. My sensors are suitable for food, pharma, chemical, and manufacturing environments, with corrosion-resistant sheaths and robust termination options. I assemble to spec, test thoroughly, and ship ready for integration into your control system. Whether you need custom connector types, cable lengths, or calibration certificates, I will work with you to meet your spec and scale your implementation. Choose a partner who values quality, traceability, and responsive service, and you’ll get a reliable sensing solution you can trust for years to come.

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4mm Rtd Pt100 Supplier Custom Solutions,

Global buyers seek compact yet reliable 4mm RTD Pt100 probes that deliver precise signals in tight spaces. The 4mm form factor supports fast response while withstanding demanding processes. Adhering to IEC 60751, these sensors offer 100 Ω at 0 °C with Class A or Class B tolerances, and are available with corrosion-resistant sheaths (304/316 stainless steel) or alternative materials for high temperature or chemical environments. Custom solutions cover end fittings, tip geometry, lead lengths, and connector options to fit your installation. Choices include exposed, grounded, or insulated tips, various IP ratings, and pre-wired assemblies with M12 or DIN connectors. Optional traceable calibration, batch records, and tailored tolerances help meet food, pharmaceutical, chemical, or energy sector needs. With scalable production and reliable QA, you can secure steady supply and consistent performance across global operations.

4mm RTD Pt100 Supplier Custom Solutions

Model_ID Pt100_Type Sheath_Material Diameter_mm Length_mm Lead_Wire_Length_m Connection_Type Temperature_Range_C R0_Ohm_at_0C Tolerance_Class Response_Time_ms IP_Rating Notes
M4-SS304-3W-100-HT RTD Stainless Steel 304 4.0 1200 2.0 3-Wire -50 to 180 100.00 Class A (±0.15°C @0°C) 60 IP67 Customizable lead length
M4-SS316-3W-100 RTD Stainless Steel 316 4.0 1000 1.5 3-Wire -60 to 200 100.00 Class A 50 IP67 Higher corrosion resistance
M4-Inconel600-2W-100 RTD Inconel 600 4.0 800 2.0 2-Wire -20 to 260 100.00 Class B (±0.30°C @0°C) 85 IP68 Extreme temperature applications
M4-SS304-4W-100 RTD Stainless Steel 304 4.0 900 3.0 4-Wire -50 to 160 100.00 Class A 30 IP67 Low drift option
M4-SS304-3W-PTFE-100 RTD SS304 with PTFE coating 4.0 1100 2.5 3-Wire -40 to 200 100.00 Class A 70 IP67 PTFE-coated for chemical resistance
M4-SS304-3W-HT-600 RTD Stainless Steel 304 4.0 600 6.0 3-Wire -50 to 250 100.00 Class A 55 IP68 Steam-ready applications
M4-SS316-2W-1500 RTD Stainless Steel 316 4.0 1500 4.0 2-Wire -40 to 180 100.00 Class B 40 IP67 Bulk option

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Data Dimension: Temperature-Resistance Profile for 4mm Pt100 RTD

Chart Caption

This chart presents a synthetic data series illustrating the resistance of a 4mm Pt100 RTD as a function of temperature from -40°C to 100°C. The base resistance at 0°C is 100 Ω, and the temperature coefficient is approximated by α ≈ 0.385 Ω/°C, which is typical for Pt100-class sensors within the linear operating range. The 4mm form factor contributes to a higher thermal mass, potentially improving stability and repeatability at steady-state conditions, but it may slow response time to rapid temperature changes. The dataset reinforces the near-linear relationship between temperature and resistance, a fundamental reason Pt100 RTDs are preferred for precision temperature sensing. Proper excitation current (to minimize self-heating), four-wire configurations, and careful calibration are essential to maintain accuracy across the intended range. In practice, deviations from perfect linearity and the influence of wiring, lead resistance, and aging should be accounted for in the measurement chain. This visualization serves as a concise reference for design decisions, showing how resistance increases with temperature and helping engineers predict sensor behavior under typical operating conditions. For manufacturers, understanding this dimension supports better selection of RTD geometry, sensor sheath choices, and signal-conditioning strategies to achieve peak performance with reliability across production lots and real-world environments.

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