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Infrared Dual-color High Temperature Pyrometer

Infrared two color temperature measuring system

1. Wide range of temperature measurement, 350℃ ~ 1200℃

2. High measurement accuracy, ±0.5% FS

3. Large distance coefficient, up to 400:1 (100:1)

4. Small target measurement, can accurately measure the minimum 2mm target temperature

5. Fast response, up to 20ms

6. Instantaneous value, maximum value and average value are three ways of temperature measurement

7. 4MA ~ 20MA output, can be directly connected with standard digital display table, LED large-screen display, PLC, etc

8. Isolated RS485 digital output can form a network in which up to 32 temperature measuring instruments can be accessed to provide communication protocol and demonstration Software, facilitate the customer's secondary development

9. High brightness LED display, suitable for industrial field use

10. Coaxial laser aiming, easy to use, high accuracy

11. Telescopic sight aiming, clear and direct

Model:LM-ST3512

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Product Features

The Infrared Two Color Temperature Measuring System is a high-precision industrial solution designed for non-contact temperature monitoring in harsh environments. Capable of measuring temperatures from 350°C to 1200°C, it utilizes advanced two-color infrared technology to ensure accuracy even when the line of sight is partially obstructed by dust, smoke, or steam. With a high distance coefficient of 400:1, it can accurately measure small targets (minimum 2mm) from a distance. The system features a fast response time (20ms), versatile outputs (4-20mA, RS485), and optional air or water cooling for operation near extreme heat sources.

Product Parameter

Technical parameters	Analog output: A: 0V～5V; B: 4MA～20MA
Temperature measuring parameters	1. Temperature measurement range: 350℃ ~ 1200℃ 2. Measurement accuracy: ±0.5% FS 3. Repeat accuracy: ±0.3% FS or ±1℃ 4. Response time: ≤ 50ms, maximum resolution up to 20ms 5. Display temperature resolution 0.1℃ 6. RS485 output temperature resolution 1℃ 7. The current output temperature resolution is 0.1℃ 8. Shooting rate: adjustable from 0.10 ~ 1.00, step size: 0.01 9. Temperature measurement: instantaneous value (TEM), maximum value (MAX), average value (AVG) 10. Time interval: 1 ~ 30 seconds step length 1 second
Optical parameters	1. Operating band: 2.6μm 2. Aiming method: Coaxial laser aiming or telescope aiming 3. Range coefficient: 400:1 (100:1) 4. Power:24V DC ±10%, 100MA 5. Signal output: Analog current output: 4MA ~ 20MA 6. RS485 digital output: Baud rate: 9600, 1 starting bit, 8 data bit, no odd-digit parity, 1 stop bit 7. Working temperature: -10℃ ~ 60℃; Use air cooling up to 100℃; 8. Use water cooling up to 150℃; 9. Storage temperature up to 200℃: -20 ℃ ~ 80℃ 10. Protection level: IP65 11. Weight: 0.5KG 12. Dimension: Diameter 50mm, length 167mm

FAQs

Q1: Can this system accurately measure very small targets from a long distance?

A: Yes. This temperature measuring system features a large distance coefficient of up to 400:1. It is capable of accurately measuring minimum target sizes as small as 2mm. This makes it ideal for applications where the sensor must be mounted far away from the object but still needs to capture precise data from a small area.

Q2: How does the "two-color" technology benefit industrial environments?

A: Unlike standard single-color sensors, this temperature measuring system calculates temperature based on the ratio of energy at two different wavelengths. This "ratio pyrometry" allows it to maintain high accuracy (±0.5% FS) even if the lens is dirty, or if there is dust, smoke, or steam between the sensor and the target. It effectively eliminates errors caused by partial obstruction.

Q3: Can this device survive if installed near high-heat sources?

A: Yes. While the standard operating temperature is up to 60°C, this temperature measuring system supports optional cooling accessories. It can be equipped with air cooling (allowing operation up to 100°C) or water cooling (allowing operation up to 150°C), ensuring reliable performance even when installed close to hot machinery.