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This Product is discontinued, please refer to the Alternatives shown below under Similar Products or contact us directly.

Alternative Products for this discontinued product:

X1-1-RCH-116-4 UV Curing Meter

UV Radiometer for high intensity LED irradiation in UV curing processes. Features: Four-channel USB Optometer with separate UV irradiance detector with calibration. Ensures irradiance is correctly measured for the spectral emission range of the LED. Stable in high temperature and intense UV radiation environments.

X1-1-RCH-116-4 UV Curing Meter

UV-A and Blue Light Radiation Curing

In UV-A and blue light radiation curing, liquids (e.g. inks, coatings and adhesives) are excited by irradiation with high-intensity UV-A and blue light radiation. The curing process is activated by photoinitiators absorbing the UV or blue light energy which triggers the polymerization reactions (crosslinking). In the past, only gas discharge lamps provided sufficient intensity within the photoinitiators’ wavelength range for this purpose. Today, these are increasingly being replaced by LEDs that emit in the UV and blue spectral range. In order to ensure optimal triggering of the polymerization, the irradiance of the UV lamp must be set in accordance with the corresponding process parameters. In continuous operation, the constancy of the irradiance must be regulated and readjusted when necessary depending on the aging of the lamps. The required UV radiometer, especially its detector, must be able to withstand the high-intensity UV and blue light radiation as well as the relatively high temperatures.


Radiometer with Detector for Measurement of UV-A and Blue Light

The X1-1 RCH-116-4 UV Radiometer features an X1 four-channel optometer and an RCH-116 irradiance detector and is ideal for measuring irradiance of high power LEDs in the UV-A and blue light range. 

  • Accurately measure irradiance levels of up to 40,000 mW/cm²
  • Spectral responsivity 365nm - 440 nm
  • Cosine corrected field of view
  • Calibrated at six UV LED and blue LED wavelengths
  • Performs accurate measurements for 6 standard LED wavelengths
  • Sensor’s housing serves as a handle
  • High-end signal amplifier supports usable dynamic range from less than 1 mW/cm² to 40,000 mW/cm² 
  • Portable, hand held radiometer suitable for use in the field

One of the outstanding features of the RCH-116-4 detector is its proven concept of a passive radiation absorber coupled to a UV sensor. This provides stability even in high temperature and intense UV radiation environments. In addition to the passive radiation absorber, the device also has a cosine-corrected field of view.  In addition to the CW measurement function, the device also has a dose measurement function. The radiometer can be used with other detectors from the RCH series. e.g. for gas discharge lamps.  Remote control of the device is possible via its user software and a software development kit is offered for integration of the device in the user’s own software.


Calibration of the X1-1 RCH-116-4

One essential quality feature of photometric devices is their precise and traceable calibration. The RCH-116-4 detector is calibrated for standard LED wavelengths: 365 nm, 375 nm, 385 nm, 395 nm, 405 nm, and 430 nm. The calibration is performed by Gigahertz-Optik’s calibration laboratory that is accredited by DAkkS (D-K-15047-01-00) for the spectral responsivity and spectral irradiance according to ISO/IEC 17025. The calibration and calibration values are confirmed by a calibration certificate for every detector.


Contact Us Today For Pricing and Delivery on the X1-1-RCH-116-4 UV Radiometer System  

X1-1 Handheld radiometer with a separate RCH-116-4 detector for measurement of high-power LED lamps in UV-A and blue light radiation curing

X1-1 Handheld radiometer with a separate RCH-116-4 detector for measurement of high-power LED lamps in UV-A and blue light radiation curing

Typical spectral responsivity of detector RCH-116 with the six calibration wavelength for common LEDs in UV and Blue-light curring application

Typical spectral responsivity of detector RCH-116 with the six calibration wavelength for common LEDs in UV and Blue-light curring application

1) RCH-116-4 detector 2) Passive radiation absorber 3) fiber 4) Handle (with UV photodiode and filters) outside the UV radiation area 5) X1-1 Radiometer 6) UV irradiation

1) RCH-116-4 detector 2) Passive radiation absorber 3) fiber 4) Handle (with UV photodiode and filters) outside the UV radiation area 5) X1-1 Radiometer 6) UV irradiation

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