The Competitive Edge of Automation: How Automatic Gauge Control Delivers Tighter Tolerances, Less Rework, and Greater Energy Efficiency in Modern Rolling Operations
High-performance closed-loop control for critical rolling applications:
Multiple technologies, complete control, assisted by AI.
The importance of thickness measurement in the flat rolled industry is fundamental to guarantee the quality and conformity of the finished products. During the production process of flat laminates, accurate thickness measurement allows the consistency and uniformity of the material to be assessed, ensuring compliance with the required specifications.
Thickness measurement is performed using several measurement technologies. Furthermore, precise knowledge of the thickness of flat laminates
allows subsequent processing operations to be carried out correctly, such as shaping or the application of coatings, to obtain high quality and high performance products.
Our industrial solutions and services, suited to meet the needs of numerous industries with ready-to-use models specific for the application required.
Thickness
Thickness Profile
Crown, Wedge, Edge Drop
Not a Single Mill Stop We Didn't Help Avoid: Thirty Years of Walking the Coil Lines with the World's Largest Steel and Non-Ferrous Producers: Measuring, Verifying and Earning Our Place.
Which Thickness Gauge Fits Your Need?
nGauge · X‑Ray
- ±0.1% accuracy across full thickness range
- 3 ms response — ideal for closed‑loop AGC
- Measures 7 µm foil to 50+ mm hot steel
- Unaffected by surface color, texture or steam
- Digital calibration · mill‑duty 24/7 reliability
Best for: hot & cold rolling, high‑tolerance metals
Laser Thickness Gauge
- ±10 µm triangulation
- 0.5 µm confocal
- Cost‑effective — fraction of X‑ray investment
- No safety infrastructure or regulatory overhead
- Modular C‑frame & O‑frame designs available
- PLC‑based open architecture · easy integration
Cost low Safety class 1 laser
Best for: slitting, clean lines, thin foils & coatings
LGauge
Balanced Performance: Precision Solutions for Real-World, Moderate-Duty Applications
Rugged Enough, Light Enough, Precise Enough: Finding the Optimal Performance Point for Industrial Applications in Moderately Demanding Environments. Some line types require practical and balanced solutions that improve performance and control without adding operational complications. LGauge was created for this purpose, to meet the measurement needs of lines such as finishing, slitting, and CTL, offering all the flexibility and precision they require.
LGauge
- Technology:Laser triangulation / Confocal
- Measuring Range:0.1 mm - 500 mm (custom up to 200 mm)
- Resolution:1 micron
- Repeatability:±0.5 microns
- Linearity:±0.05% of F.S.
- Sampling Rate:Up to 2000 Hz
Connectivity & Environment
- Interfaces:Ethernet/IP, PROFINET, Modbus TCP, EtherCAT
- Analog Output:4-20 mA / 0-10 V
- Protection Class:IP67 (sensor head)
- Operating Temp:-10°C to +50°C
- Power Supply:24 VDC ±10%
Effective Speed
Up to 2000 measurements per second for dynamic processes
Temperature Compensated
Built-in thermal stability for consistent accuracy
Data Logging
Historical trend analysis and reporting
nGauge
Excellent, robust systems and solutions with extremely long life and support. Ask our Customers.
Designed and manufactured to excel under the harshest operating conditions, our solution delivers uncompromising performance where reliability is critical. Every component is precision engineered to withstand extreme temperatures, high vibration, dust, moisture, and corrosive atmospheres-common challenges in heavy industries. At the core of this engineering philosophy lies an unwavering commitment to extreme accuracy and reliability. Through advanced tolerancing, high-resolution feedback systems, and rigorous calibration protocols, our technology maintains micron-level precision even under variable loads and dynamic stresses. This ensures consistent output quality, reduces deviation in mission-critical processes, and enables seamless integration into automated high-stakes environments. Equally important is the long-term life cycle embedded in the design DNA. By utilizing premium-grade materials, wear-resistant coatings, sealed bearing assemblies, and thermally optimized architectures, we drastically reduce mechanical fatigue and performance drift over time. Predictive maintenance features and modular serviceability further extend operational lifespan, resulting in lower total cost of ownership, minimized unplanned downtime, and sustained accuracy across years of continuous duty.
nGauge
- Technology:X-Rays
- Measuring Range:0.1 mm - 50 mm
- Resolution:0.1 microns
- Repeatability:±0.5 microns
- Linearity:±0.05% of F.S.
- Sampling Rate:Down to 0.5 ms
Connectivity & Environment
- Interfaces:Ethernet/IP, PROFIBUS, Modbus Over Ethernet
- Analog Output:4-20 mA / 0-10 V
- Protection Class:IP67 (sensor head)
- Operating Temp:Wide Ranges for Hot and Cold Applications
- Power Supply:230VAC / POE
High Speed
Down to 0.5 ms for dynamic processes
Dynamically Compensated
Built-in thermal stability, gap temp, air temp, alloy for unparalleled accuracy
Real-time Feedback
Direct integration with Automatic Gauge Control systems
Data Logging
Historical trend analysis and SPC reporting
Update and Renew
Update Your Obsolete Measurement System!
Precision engineered for the most demanding industrial environments
In modern industry, obsolete systems constitute an impediment to daily activities and a risk for personnel. Upgrade kits are available for industrial equipment of different years and manufacturers, covering non-contact thickness measurement, coating weight measurement, density, width measurement, automatic cut control, and cut optimization.
Buy New
- Unparalleled performance
- State of the art technology
- Digital sensors
- Extended Warranty
- Long time support
Replace
- 1 day in-out formula
- Back compatibility
- Add new features
- Keep functional hardware
- Extend capabilities
Update
- Update sensors
- Upgrade software
- Add new protocols
- Add new features
- Extend parts availability
Upgrade Kits Available
- DMC / Thermo Fisher
- Accuray / IRM
- PDM, Loral
- Measuray / Bendix / ITA
- KMI / ESC Resources
Technology in Action

nGauge System
HPM Thickness and Thickness Profile
Industry Applications
Trusted by manufacturers worldwide across multiple sectors
Steel & Metals
Hot and cold rolling mills, strip thickness control, plate measurement
Aluminium Rolling
Precision thickness control for foil, sheet, and plate production
Plastic Extrusion
Film, sheet, and profile thickness monitoring
Rubber & Tires
Calendar line thickness measurement for tire components
Composites
Prepreg and laminate thickness inspection
Packaging
Foils, films, and paper thickness control
Resources & Documentation
LGauge Thickness Measurement System - Datasheet
Complete technical specifications, dimensional drawings, and ordering information for the LGauge series thickness gauges. Includes performance charts and environmental ratings.
nGauge Thickness Measurement System - Datasheet
Complete technical specifications, dimensional drawings, and ordering information for the nGauge series thickness gauges. Includes performance charts and environmental ratings.

