Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of thermocouple type temperature sensor in China. Welcome to buy high quality thermocouple type temperature sensor at competitive price from our factory. We also accept customized orders.
The HNT30 armored temperature sensor is a high-precision temperature measurement device suitable for harsh industrial environments. It utilizes a thermocouple or PT100 resistance temperature detector (RTD) as the sensing element, and the measurement range can be selected according to measurement requirements. It can accurately measure the temperature of liquids, steam, gases, and fixed surfaces.
The product features an all-metal housing design, a compact structure, and various installation methods. It boasts extremely high linearity and repeatability, and its explosion-proof rating ranges from Exd IIBT1-T6 to Ex ia IICT1-T6, providing excellent protection. It supports analog signal output, with optional HART output and 4-20mA transmitter output, and can be adapted to customized requirements such as temperature resistance, corrosion resistance, and wear resistance.
Its protective sleeve is available in various materials, including 321/310 stainless steel and corundum, adaptable to different high-temperature operating conditions. It is widely used in thermal power main steam pipelines, chemical, steel, and heating technology fields, providing a stable and reliable solution for industrial process temperature monitoring in high-temperature and harsh environments.
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HNT30 Armored Temperature Sensor |
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Specific Parameters |
Value / Description |
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Measurement Principle |
HNT30 armored temperature sensor (usually armored thermocouple or thermal resistor) works based on the thermoelectric effect or the principle of resistance change with temperature. Its core is to encapsulate the temperature sensing element within a metal protection tube, filled with insulating material inside, generating a weak thermoelectric potential (thermocouple) or resistance change (thermal resistor) due to external temperature difference, achieving high precision and fast response temperature measurement. |
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Application |
1. High-temperature measurement in industrial processes, suitable for liquids, steam, gases, and fixed surface temperatures. |
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Probe Rod Length |
0~300mm, Beyond Customizability |
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Probe Diameter |
φ6mm/φ8mm/φ16mm/φ20mm/φ25mm, customizable |
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Minimum Sensor Insertion Depth |
>8D (D is the outer diameter of the protective tube) |
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Probe Rod Material |
316 |
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Protective Tube Material |
Corundum, high-aluminum, GH3030 alloy, 321 stainless steel, 310 stainless steel, 304 stainless steel, 316 stainless steel, customizable. |
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Connection Method |
Threaded/ Chuck connection |
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Accuracy |
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Pressure Withstand Capacity |
<20MPa (The uncertainty is influenced by the protection tube material, diameter, and wall thickness) |
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Temperature Range |
-50 ~ +600 °C ( -58 °F ～ 1112 °F) Customizable |
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Accuracy Grade |
Level I Level II |
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Outputs |
4-20mA/PT100 |
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Protection Level |
IP65/IP67 |
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Electrical Connection |
M12*1.5,M16*1.5,M27*2,G1/2,G3/4,1/2NPT |
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Power Supply |
DC 24V |
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Product Safety |
CE certified |
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Functional Safety |
Complies with IEC 61508 standard, allowing use in safety applications specified in IEC 61511 standard |
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Explosion-proof Certification |
Explosion-proof certificate |