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RM 130

  RM 130



The Pinhole Detector is a line-mounted instrument that senses the light passing through any through-the-strip holes. The pinhole detector provides an affordable solution for high-speed lines and wherever highest sensitivity and reliability are essential.

   Product Detail


For installation in:
  • Steel & Non-Ferrous Cold Mills                                                           
  • Steel & Non-Ferrous Process Lines                      
  • Electrolytic Tin Coating Lines

The Pinhole Detector is a line-mounted instrument which senses the light passing through any through-the-strip holes. A source of light is on one side of the strip. On the other side, photomultiplier tubes transform light coming through the hole into an electrical signal, which is then filtered to eliminate the effect of ambient light, and processed to yield a 'pinhole' signal.

The Thermo Scientific pinhole detector provides an affordable solution for high-speed lines and wherever highest sensitivity and reliability are essential.

Measurements:

  • Online Pinhole detection in metal strip. Detects pinholes as small as 12.7 micrometers (0.0005") in metal strip moving at speeds of 1830 meters (6,000 ft) per minute.
    Under certain conditions, pinholes as small as 5 micrometers (0.0002") can be detected.

Features:

  • Large/small pinhole discriminator.             
  • Ultaviolet light sources and photomultiplier detector.             
  • 4-channel/zone operation.             
  • Serial interface to remote computer.             
  • Remote operator's interface station.                    
  • Electromechanical edge follower control.
 
Purchase Details
SKU : PID-13817 
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Specifications:
Standard window width 1320 mm (52") :for strip width 1219 to 381 mm (48" to 15")
Standard window width 1625 mm (64") :for strip width 1524 to 381 mm (60" to 15")
Standard window width 1016 mm (40") :for strip width 914 to 381 mm (36" to 15")
Maximum line speed :1830 meters (6000 ft) per minute
Minimum time interval between holes :5 msec for a 25 um (0.001 inch) hole
Detectable hole size under normal plant conditions :12. 7 microns (0. 0005 inch)
Source type :UV light source at 3650 Angstrom
Measuring principle :UV light detection with photomultiplier