ON-LINE MONITORING SYSTEM
EIT’s On-Line Systems measure UV intensity to provide continuous, real-time, feedback on a system. The solution is electro-optic based and can be used to monitor the UV from LED or Broadband (mercury) sources in situations where:
• Space is limited and a radiometer will not fit
• Arms, rollers and/or blades are present
• Sources are enclosed, not easily accessed or high off the ground
• Multiple sources are used to increase production line width
• Fast production speeds make it hard to use a radiometer
• UV conditions change rapidly due to off-gassing and/or contamination
• High value products are manufactured and undetected changes in the UV can lead to high scrap levels
• Continuous validation of the UV conditions is required
• The process window is tight
Applications include web presses, fiber optic draw towers, hard drive manufacturing, print and medical applications.
The intensity measured by the On-Line Monitoring System is a relative intensity versus an absolute (W/cm2 ) value. The user is able to track both gradual (e.g. source aging) or sudden (equipment malfunction) changes to the UV intensity to take action before the changes impact product quality and bottom line profitability.
The On-Line System consists of two components: Compact Sensor and DIN Rail Signal Conditioning Unit. The system can be used as the sole means of UV process control or in conjunction with an EIT NIST-traceable UV radiometer.
EIT Compact Sensor: An extremely durable sensor
with sealed optics designed to withstand harsh UV environments. Sensors are available for LED or Broadband based sources.
Mounting : DIN rail, line
Other characteristics : compact, fiber optic
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