IR Pyrometer

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IR Pyrometer Specification

Voltage
24 V DC Volt (v)

Test Range
1 to 30 meters

Usage
Industrial

Material
ABS / Cast Iron

Test Speed
1 sec

Control Mode
Automatic

IR Pyrometer Trade Information

Minimum Order Quantity
1 Number

Supply Ability
10 Per Month

About IR Pyrometer

Type: IR Based
Application: Temperature Measurement
Process Connection: Thread/Flange(optional)
Power supply: 220VAC or 24 VDC
Range : Upto 1600 Degree C
Output : 4 to 20mA

An Infrared (IR) Pyrometer is a non-contact temperature measurement instrument that determines the surface temperature of an object by detecting the intensity of thermal radiation (infrared energy) it emits. It is widely used in industrial settings where direct contact is impossible, dangerous, or would contaminate the target, such as in metal smelting, glass manufacturing, and machinery monitoring.

Key Features & Components

Non-Contact Operation: Measures from a distance, making it safe for extremely hot or hazardous environments.
Optical System: A lens focuses the IR energy from the object onto a detector.
Detector: Converts the radiation into an electrical signal (often a thermopile or photodiode).
Signal Processing: Internal electronics analyze the signal, applying emissivity settings to calculate the temperature, which is displayed digitally.
Laser Targeting: Most models include a laser pointer to identify the center of the target area.
Fast Response: Provides nearly instant readings, often in milliseconds.

Working Principle

Emission: All objects with a temperature above absolute zero emit infrared radiation.
Detection: The pyrometer's lens collects this radiation and focuses it onto a detector.
Conversion & Processing: The detector converts the energy into an electrical signal. The device applies an emissivity factor (the efficiency of the material in emitting energy) to calculate the actual temperature.
Display: The result is shown on a screen or transmitted to a control system.

Types of IR Pyrometers

Portable (Handheld) Pyrometers: Battery-operated "guns" used for quick, spot checks and maintenance.
Fixed (Online) Pyrometers: Permanently mounted on production lines for continuous, real-time monitoring.
Single-Wavelength (Monochromatic): Measures radiation at one wavelength; best for materials with stable, known emissivity.
Two-Color (Ratio) Pyrometers: Measures at two different wavelengths to calculate the ratio, making them more accurate in environments with smoke, dust, or variable emissivity.
Fiber Optic Pyrometers: Use a fiber optic cable to separate the sensor head from the electronics, ideal for high-ambient heat or electromagnetic interference.

Common Applications

Metallurgy: Monitoring molten metal, welding, and heat treatment (annealing/tempering).
Glass Manufacturing: Measuring temperature during forming, bending, and sealing.
Cement & Ceramics: Monitoring kiln temperatures.
Electronics: Checking for hot spots on circuit boards.
Automotive/Aerospace: Testing engine exhaust, braking systems, and turbine blades.
Safety: 24/7 monitoring of hazardous assets to prevent fires.

Key Considerations for Use

Emissivity: The most critical factor; surfaces with low emissivity (e.g., polished metal) are harder to measure accurately.
Distance-to-Spot Ratio (D:S): Determines the size of the area being measured relative to the distance. A 10:1 ratio means at 10 inches away, the spot size is 1 inch.
Atmospheric Interference: Smoke, steam, or dust between the pyrometer and the target can cause errors.