- Model NIR-B 3XR - HPI - Reformer & Cracker Tube Furnace Thermal Imaging System



An infrared thermal imaging solution offering continuous, short-wavelength, 24/7 temperature monitoring for steam reformer and Ethylene cracker tube furnaces. NIR Borescope (NIR-B) 3XR is a radiometric infrared imaging camera optimised for continuous temperature measurements in steam reformer and cracker tube furnaces. Using the proven technology of AMETEK Land’s advanced NIR thermal imager, NIR-B 3XR offers highly accurate measurements of high temperatures, enabling process control optimisation, energy efficiency savings and prolonging the lifetime of the reformer tubes.

Producing real-time thermal data from 307,200 points across the high-resolution visual image, the imager connects to a PC running dedicated LIPS NIR processing software for accurate data analysis and long-term trending.

By providing a wide temperature measurement range of 600 – 1800 °C (1112 – 3272 oF), NIR-B 3XR provides the hydrocarbon processing industry a highly flexible imaging solution for the unique process conditions of reformer and cracker tube furnaces.

Precision Furnace Control
By using a short wavelength to minimise emissivity errors, accurate, continuous temperature profiling is assured, for maximum furnace control. Uneven heating can be visualised and, during start-up phases, any burners not operating correctly can be clearly identified.

Single, Wide Temperature Range
The single temperature range and wide dynamic range imaging technology are ideal for applications with high-differential temperatures in the field-of-view.  High-resolution imaging and a 90° field-of-view allows multiple reformer or cracker tubes to be monitored simultaneously.

Hazardous Area Compliant
The NIR-B 3XR is ATEX and IECEx approved to Ex nA IIC T4 Gc for use in Zone 2 gas atmospheres, and CSA Certified for US and Canada to Class I, Division 2, Groups A, B, C, D T4. A three-year warranty guarantees reliability.

The NIR Borescope (NIR-B) 3XR is a short wavelength radiometric infrared borescope imaging camera for steam reformer and cracker tube continuous temperature measurement and furnace optimisation and monitoring. ATEX and IECEx approved to Ex nA IIC T4 Gc for use in Zone 2 gas atmospheres, the NIR-B 3XR provides a high resolution thermal image with real time continuous high accuracy temperature measurements of both the tube wall and refractory wall surface. The camera measures temperatures in the single range 600 to 1800 °C (1112 to 3272 °F) and utilising the latest wide dynamic range imaging technology. This is ideal for applications with a high differential temperature in the field of view such as tube and furnace walls.
Building on more than twenty years of thermal imaging experience, AMETEK Land has continued to widen its range of temperature measurement solutions by launching the NIR Borescope 3XR. With the NIR-B 3XR it is possible to use the proven technology of the NIR Thermal Imager to accurately and continuously profile the temperature of the reformer, improving data accuracy through automation and at the same time reducing the risk to personnel by removing the need for an operator to be in the hazardous area on a regular basis. The NIR-B 3XR uses the shortest wavelength to minimise errors associated with varying emissivity, allowing highly accurate temperature measurement point data to be taken, stored and trended over the lifetime of the reformer or cracker. The image and data processing software supports long term data trending, allowing process optimisation to be achieved, combined with potentially avoiding catastrophic failure.
The high resolution image combined with the wide angle field of view (90-degree) allows multiple reformer or cracker tubes in the lane to be imaged and measured simultaneously. With advanced digital communications the image and data can be viewed real-time in the control room in the safe area. The image also allows the user to monitor and optimise the performance of the furnace; easily identifying hot and cold areas and any uneven heating and gas mix can be visualised with corrections viewed in real-time. During startup phases any burners that are not operating correctly can be clearly identified and the effect of any impinging flames can be seen.
The NIR-B 3XR is an invaluable tool in prolonging reformer tube life time, optimising production throughput and reducing energy consumption.

  • High temperature measurement accuracy - enables optimum process control through enhanced thermal imaging
  • Real-time thermal data - combined with high resolution visual image - allows true real-time furnace optimisation and the opportunity to improve energy efficiency without degrading reformer lifetime
  • Short wavelength sensor - low sensitivity to emissivity changes
  • Dedicated software - data points, areas of interest, automated alarms and long term data trending and system inter-connectivity (DCS, OPC)
  • 24 Hour, 7 Day Monitoring - Shutterless operation guarantees accurate, reliable data with no blind time
  • Export License Freerapid, hassle-free shipping
  • 3 Year Warranty - guarantee of reliability

  • Measurement Range: 600 to 1800 °C / 1112 to 3272 °F
  • Spectral Response: 0.85 to 1.05 µm
  • Frame Rate: 7.5 fps (100M Ethernet)
  • Image Pixels: 640 x 480
  • Accuracy: 1.0 % Celsius
  • Sealing: IP 65 (when connections mated/fitted with caps)
  • Repeatability: 1 °C
  • Data Out: Digital data over 100M Ethernet (M12, 8 pin)
  • Software: Complete Land Image Processing Software (LIPS) package for Windows
  • Standard Accessories: Field Connection Box (ExHazloc) and cables (10 m, 25 m or 50 m), software, water cooled/purged mounting and tube
  • Field of View (Horizontal): 90°
  • Focus Range: 1000 mm to infinity
  • Probe Length: 305, 609 or 914 mm (12”, 24” or 36”)
  • Probe Diameter: 57 mm (2.24 in.) max.
  • Mountings: Choice of 3” ANSI 150 RF Flange & Gasket or PN16 DN80 Flange & Gasket with a 12” standpipe
  • Dimensions
    • 254 x 560 x 717 mm (or 1021 mm or 1326 mm)
    • 10” x 22” x 32” (or 44” or 56”)
  • Power Rating: 21.6 - 26.4 V dc, 0.6 A
  • Weight: < 25 kg (for 609 mm / 24” version)

Hazardous Area Certification EX Borescopes:

  • EX NIR-B WG1: Ex nA IIC T4 Gc Tamb=-20 °C to +55 °C (ATEX certificate: CML 15ATEX4086X / IECEx certificate: IECEx CML 15.0042X)
  • EX NIR-B WG2: Class I, Division 2, Groups A, B, C, D; T4 Tamb=-20 °C to +60 °C (CSA certificate for US and Canada: 70080206)

Field Connection Boxes

  • EX FCB 31: Ex nA nC [op-is Ga] IIC T4 Gc Tamb=-25 °C to +54 °C (ATEX certificate: CML 15ATEX4085X)
  • EX FCB 32: Class I, Division 2, Groups A, B, C, D; T4 Tamb=-25 °C to +50 °C
  • (CSA certificate for US and Canada: 70052791)

  • Hydrogen Reformer
  • Ammonia Production
  • Ethylene Cracking Furnaces
  • Methanol Production
  • Syngas Production

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