DIN Rail - for Online Radiometer
DIN Rail - for Online Radiometer DIN Rail - for Online Radiometer DIN Rail - for Online Radiometer DIN Rail - for Online Radiometer

DIN Rail - for Online Radiometer
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The DIN Rail - for Online Radiometer allows monitoring of many lamps in a small area. Ideal for manufacturing or printing settings.


This system requires  24 V AC/DC power


On-Line System:

This system was designed to provide continuous, real-time feedback on any system. It is made in a compact size to access remote spaces.
The system measures the intensity as a relative of an absolute value (W/cm2). Gradual and sudden changes can be detected, making the user able to fix the issue before it affects production.
The online system can be used by itself or in conjunction with a NIST-traceable UV radiometer.

it is composed of two main parts:

- Compact Sensor (EMI or Standard)
- Signal Conditioning Unit: DIN Rail or  Display Module (Display Module not available for EMI use)


The online system is electro-optic based and can be used to monitor UV in situations where:

  • Space is limited
  • Lamps are enclosed or not easily accessible
  • Arms, rollers and/or blades are present
  • Fast production speeds make it difficult to get readings with a normal radiometer
  • UV conditions change rapidly due to off-gassing or contamination
  • If mall changes in UV can affect the finished product
  • The process window is tight
  • Validation of UV is required.



DIN Rail

DIN Rail

The DIN Rail is designed to work with the Compact Sensor and a PLC or Control System to continuously monitor a single UV source. Its small size allows for several DIN Rails to be placed in tight areas to monitor many lamps at the same time.

The PLC/Control System used must have analog signal processing and display capabilities as the DIN Rail does not have a display.

When the product is set-up, a 100% UV baseline is established and an alarm threshold set. The threshold alarm, thanks to the make of the DIN Rail can be set to a low UV limit.
The DIN Rail will emit an analog output of 0-10 V proportional to the UV intensity.






What is EMI?

Electro Magnetic Interference (EMI) is electrical noise that can be generated by any UV equipment.
Electrical noise can affect readings and make it seem like the sensor or the source is unstable.
The compact sensor cable, even with its shield, can pick up this noise if it is run alongside a high voltage line. This is why the EMI compact sensor and EMI DIN Rail have been "hardened," making them less susceptible to this interference.

The EMI compact sensor and DIN rail have been designed with added circuitry to minimize electrical interference as much as possible.
The EMI compact sensor can be identified by the gold circle shown above.

For proper functioning, the EMI compact sensor must be grounded and connected to an EMI DIN Rail.

Note: If the EMI Compact Sensor is used with the Online Intensity Display Module, Standard DIN Rail and/ or two wire cable instead of EMI cable, there is no added EMI protection.



  • Continuously monitors UV output of a single bulb
  • 0-10 V analog output
  • User-settable alarm points
  • Relay closure output connections
  • Snap-in DIN Rail mounting convenience
  • Small size, ideal for tight spaces




Online Radiometer SPECS



Online Radiometer Brochure Online Radiometer User's Guide  Product Warranty 

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