Temperature Sensors Inquiry

Temperature sensors are precision instruments used in boilers and industrial heaters to monitor and regulate process temperature with high accuracy and reliability. They ensure safe and efficient operation by providing continuous feedback to control systems, thereby preventing overheating, fuel wastage, or damage to boiler tubes and heating elements.

These sensors are typically based on RTDs (Resistance Temperature Detectors), Thermocouples, or Thermistors, selected as per application requirements such as response time, operating range, and accuracy. Installed at critical points in the boiler and heater system, they help in maintaining optimum combustion conditions, controlling steam generation, and enhancing overall plant efficiency.

Temperature sensors are designed to withstand high temperature, pressure, and corrosive environments, making them ideal for demanding boiler and heater applications in power plants, petrochemical industries, refineries, and process heating systems.


⚙️ Technical Highlights:

  • Type of Sensors: RTD (PT100 / PT1000), Thermocouples (K, J, T, N types), Thermistors.
  • Measuring Range: –50°C to +1200°C (depending on sensor type).
  • Accuracy:
    • RTD: ±0.1 to ±0.5°C
    • Thermocouple: ±1 to ±2°C
  • Response Time: Fast response for dynamic temperature changes.
  • Construction: Stainless Steel / Inconel sheath with mineral insulated cable for durability.
  • Mounting Options: Threaded, Flanged, or Welded type connections for boiler and heater applications.
  • Protection Class: IP65 / IP67 for harsh industrial environments.
  • Signal Output: Direct resistance / millivolt signal, or 4–20mA / 0–10V with transmitter.
  • Safety & Reliability: Ensures boiler efficiency, prevents overheating, and protects equipment.
  • Applications:
    • Steam boilers
    • Hot water generators
    • Thermic fluid heaters
    • Industrial furnaces & dryers
    • Heat exchangers