| Customization: | Available |
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| After-sales Service: | Installation Guidance |
| Warranty: | 12-Month |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Product Introduction:
The PT100 Thermal Resistor is a high-precision temperature sensor designed for industrial environments. It features a platinum element (PT100) that exhibits a predictable change in electrical resistance with temperature, enabling accurate temperature measurement across a wide range. The sensor is built with a stainless steel 316L probe for corrosion resistance and durability, making it ideal for harsh conditions in manufacturing, energy, and HVAC systems.
Product Principle
Operating on the Resistance Temperature Detector (RTD) principle, the PT100 sensor utilizes a pure platinum resistor whose resistance increases linearly with temperature. The resistance value at 0°C is 100Ω (PT100), and it follows the DIN IEC 60751 standard for reliability. The sensor converts temperature changes into electrical signals, which can be easily read by instruments or control systems.
| Parameter | Thermocouple | Thermal Resistor (Pt100) |
| Accuracy Class | Class I (±1.5ºC) | Class A (±0.15ºC) |
| Class II (±2.5ºC) | Class B (±0.30ºC) | |
| Temperature Range | -200ºC~1800ºC | -200ºC~500ºC |
| Output Signal | 4-20mA (two-wire system) | 4-20mA (two-wire system) |
| Response Time | ≤6s (armored type) | ≤30s (standard type) |
| Protection Level | IP65/IP67 | IP65/IP67 |
| Explosion-Proof Level | ExdIICT4/ExiaIICT4 | ExdIICT4/ExiaIICT4 |
| Nominal Pressure | ≤42MPa (high-pressure type) | ≤32MPa |
| Material Options | 1Cr18Ni9Ti, 316L, titanium alloy, silicon carbide | Stainless steel lined with PTFE, ceramic |



Q: Are you a manufacturer or trader?
A: We are manufacturer which focuses on sensor and IoT solution provider for 10 years.
Q: How long is your delivery time?
A: It depends on the quantity. Normally it's about a week to two weeks.
Q: How to get quotation?
A: Please tell us the pipe diameter, measuring medium, flow rate, temperature, pressure, connection type and accuracy of the product you need, we will choose the most suitable product for you.
Q:Can I design our own logo or color ?
A:Sure ! we can laser mark your logo on products; OEM and ODM customization are welcomed.
Q:Can I place a small order for the first time?
A:Yes. We have no MOQ limit. Any order means your recognition of us, we believe we will have long-term cooperation.
Q: What is the warranty of your products?
A: Our warranty time is 12 months after shipment.
Q: What's the transport?
A: Express such as DHL, FedEx, TNT, UPS for freight prepaid and we can also use your own courier account to do the freight collect. For more goods we can arrange by air or by Sea.
Q: What are your terms of payment?
A: We could accept T/T, PayPal, Western Union, etc.