Process Sensors Corporation

Guardian Web Profiling System

Reliable Web Profiling for Diverse Converting Applications

Reliable cross direction web profiling for process control in converting applications

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Overview

Rapid, continuous product analysis is critical for all paper, film and converting processes. The Guardian Web Profiling System is designed for reliable determination of coat weight, moisture and film thickness for quick return on investment in diverse converting applications.

Maintain uniform web profile, reduce waste and improve quality

The Guardian supports process optimization by accurately measuring moisture and coating thickness, providing a complete zoned web profile. Reduce start-up times and waste by visually identifying production inefficiencies using the PSC proprietary software.

Guardian systems are accurate, fast, reliable & low maintenance. They provide a non-contact, non-destructive on-line measurement and are unaffected by relative humidity, changes in product temperature, ambient light and temperature. Guardian Near Infrared (NIR) Systems have many other benefits and advantages:

  • Minimize edge curl and lay flat issues
  • Easily connect to closed loop control systems or local alarms
  • Decrease manual start-up times by up to 20% by eliminating the need for time consuming lab testing and adjustments
  • Easy calibration, operation & standardization

Reliable performance for converting applications

Moisture and coat weight measurements can be made on many substrates including paper, film, foil, textiles, release liners, tags, tapes and labels. The Guardian Web Profiling System is commonly used in the following applications:

  • Hot Melt & Film Thickness
  • Wet End Water Based Coat Weight
  • Dry End Organic Coat Weight
  • Exit and Inlet Dryer Moisture
  • Re-Moisturizers (LAS, Steam Curtains and Water Decks)

Choose your Guardian

All Guardian systems include a scanning frame, an NIR smart sensor and local touchscreen display for cross direction web profiling. 

Full-Featured PC Web Profiling Package

The Guardian Profile System connects to a PC with a 19” Display at a Central Console. Larger displays, up to 65”, for multiple scanners and measurements, can be integrated into a single distributed system. The Guardian System can also be operated manually or via a Human Machine Interface (HMI).

Entry Level 12" Display Profiling Package

Process Sensors Guardian Cross Direction Web Profile System can be as simple and inexpensive as an automatic scanning frame with 12” Operator Interface (OI) for profile display and controls mounted on frame end.

Simple 5.7" Display Scanning Package

This system allows for automatic scanning across web or jogging to fixed position for machine direction measurement and display on a 5.7” touch screen with alarms, alerts and analog and digital outputs.

 

The PSC advantage

Process Sensors' deep industry knowledge and commitment to our customers' long-term success ensures you receive the best product for your specific application and full support when you need it during and after installation.

 

Specs

Scanning Frame

Outputs
• 3x 4-20mA Selectable sources • Live NIR Value • Scan NIR Average Values • Live Temperature & Scan Temperature Average Value
Inputs
• Web Break • Web Length • Cooling Air
Ambient Temperature
0-50°C (32-120°F) with air cooling up to 80°C (160°F)

NIR Measurement

Moisture Range
Min 0.1%, Max 95%
Coatings Range
Min 0.1 GSM, Max 250 GSM
Moisture Accuracy
±0.1%
Coatings Accuracy
±0.1 GSM
Repeatability
±0.1%
Product Temperature
80°C (160°F)

Accessories

Our experienced team is eager to answer your application questions and demonstrate how our technology can solve the challenges you face every day. Request a demo today.

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