Online Infrared Thermometer

IRK 3M

The IRK Series Online Infrared Thermometer is designed for accurate non-contact temperature measurement in high-temperature industrial processes such as steel plate mills and metal processing lines. With fast response time, long-distance measurement capability, and robust stainless steel construction, the sensor provides reliable continuous monitoring in demanding environments.

Non-contact high temperature measurement up to 1600°C for harsh industrial processes
Long-distance measurement capability with up to 300:1 optical resolution
Fast response time (5 ms) ensures accurate real-time process monitoring
Robust stainless steel body designed for industrial environments

Application-Based Customization

Engineered for Your Process Conditions

Expert Selection Support

Reliable After-Sales Service

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Designed for high-temperature measurement in plate mills.
Durable stainless steel body with quality lenses.
Long-distance measurement (300:1 ratio).
Measures 300°C to 1600°C in stages.
Fast and accurate readings.
4–20mA analog output and RS485 digital communication.
Coaxial laser aiming for precision.
IP65 rating for dust and water resistance.
Software available with customization options.

Steel plate mills
Hot rolling mills
Continuous casting lines
Metal forging processes
Heat treatment furnaces
Billet and slab temperature monitoring
Induction heating processes
Reheating furnace monitoring

Temperature Range: 385°C~1600°C
Accuracy: ±(0.5% reading+2)°C
Repeatability: ±(0.3% reading+1)°C
Spectral Response: 1.6μm
Optical Resolution: Up to 300:1
Temperature Resolution: 0.1°C
Response Time: 5ms
Emissivity: 0.100~1.100 (software adjustable), preset 1.000
Transmissivity: 0.100~1.000 (software adjustable), preset 1.000
Analog Output: 4∼20mA
Digital Output: RS-485 (supports Modbus RTU communication protocol)
Laser Aiming: Coaxial laser aiming (<1mW 650nm laser class II)
Operating Voltage: 24VDC±20%
Protection Level: IP65 (NEMA-4)
Operating Temperature: -10°C to +70°C
Storage Temperature: -20°C to +80°C
Operating Humidity: 10%~95%
Cable Temperature Resistance: -20°C~+80°C PVC
Cable Length: 3m (standard), 5m, 10m (optional)
Material: Stainless steel 304
Weight: 235g (excluding cable)

Comprehensive Services Using This Product

From installation to ongoing support, we’re with you every step of the way.

Thermography

Infrared imaging for proactive maintenance and safety.

Calibration

Precise calibration ensuring measurement accuracy and compliance.

Industries Using This Product

Our solutions are trusted by top industries to drive growth and improve operations.

Steel

Advanced monitoring systems for efficient steel production, ensuring product consistency and safety.

Metals

Advanced monitoring systems for efficient metal production, ensuring product consistency and safety.

What Customers Say About Us

Trusted Engineering Support

The team provided clear technical guidance and practical solutions. Execution was smooth and well coordinated throughout.

Mr. Vivek NairGeneral Manager – Operations, Cement Industry

Dependable Technical Partner

Their approach was systematic and aligned with our plant needs. Overall experience with product and service has been positive.

Ms. Kavita RaoSenior Manager – Maintenance, Steel Sector

Application-Focused Solutions

They understood our process conditions before recommending equipment. Support during installation was handled professionally.

Mr. Rohan MehtaProject Lead – Power Plant

Consistent Service Delivery

Product performance has been stable in regular operations. The support team responds in a timely manner.

Mr. Anil DeshmukhInstrumentation Head, Process Manufacturing

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Clients Who Have Transformed Their Operations with This Product

Frequently Asked Questions About This Product

The IRK series is widely used in steel plants, metal processing industries, rolling mills, and heat treatment applications where accurate high-temperature monitoring is required.

Depending on the model, the IRK series measures temperatures from 300°C up to 1600°C.

Yes. The device supports 4–20 mA analog output and RS485 Modbus communication, allowing easy integration with PLCs, SCADA, and control systems.

The sensor provides ±0.5% reading accuracy with excellent repeatability for reliable process monitoring.

Yes. The IRK series features a stainless steel body and IP65 protection rating, making it suitable for industrial environments with dust and heat.

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