In this article we will explore how often a radiometer should be calibrated and why it is so important for its correct functioning.

What is a radiometer? 

radiometer is a device developed to measure the intensity of light. These devices help us understand the principles of energy conversion and are an important part of photopolymerization processes. They allow maintaining a safe environment for both the photocuring process and the workers.

ACCU-CAL™ 50 V Radiometers - Dymax

Because you need it?

Here are some of the main benefits of radiometers:

  • Keep the intensity stable during the photopolymerization process
    • Consistent curing performance
    • Potential degradation of UV curing bulbs, light guides and reflectors results in less UV energy reaching the curing surface
  • Provide a safer work environment
    • Determine and measure any lost or reflected energy and constant intensity
    • Workers should not exceed exposure of 1mW/cm2
  • Measurement of transmission rates through substrates to ensure an effective curing process
    • Measures transmission rates of various wavelengths through substrates (can absorb various frequencies of energy)
    • Measures the intensity of light reaching the curing site beneath intermediate substrates


Keys to using the radiometer

  1. Select the appropriate radiometer configuration for your system
  2. Select a radiometer with the correct frequency sensitivity range
  3. Handle it with care
  4. Calibrate the radiometer periodically
  5. Keep clean
  6. Ensure consistency
  7. Replace batteries as needed
  8. Never exchange detectors or adapters
  9. Avoid overexposing the sensor


Its duties?

Radiometers are necessary for process control (whether within the medical sector or the automotive sector). Therefore, it is necessary to calibrate a radiometer every year to ensure optimal performance.


Advantages of calibrating a radiometer

In short, these are some of the advantages of calibrating a radiometer correctly:

  • Consistent curing performance
  • Safe work environment
  • Intensity reaching the curing site through intermediate substrates

It must be taken into account that it is necessary to calibrate a radiometer at least once a year to comply with the ISO standard .

Details of Radiometer

A radiometer with integrated sensor that determines the energy performance in photovoltaic systems / also serves to find an optimal location for new installations The radiometer for solar energy is the optimal instrument for solar engineers, architects and solar engineering enthusiasts. With this radiometer determine the solar power. Other nominal data (current, voltage, etc.) can be detected in parallel with a separate meter. This allows a statement to be made about the installation and interpretation of the photovoltaic device. The measurement of light intensity is carried out through a monocrystalline silicon solar cell. The processor integrated into the solar energy radiometer performs automatic correction to maintain the baseline accuracy after calibration of each device in the solar simulator. The most important parameter Ptot (in W/m²) can be read directly on the screen. 

The values ​​contained in the internal memory (32,000 measurement values) can be transmitted to the computer with the help of the software and via the serial port. This solar-powered radiometer is also designed for outdoor use and has a weather-resistant plastic housing. Its compact dimensions allow for comfortable use. – Allows on-site measurements of solar energy generation and Ptot insolation – Allows long-term measurements thanks to the internal memory (32,000 values) – Transmission and analysis software is included in the delivery (in English with Spanish instructions for use ) – Enables comparative solar measurement – Min. function. / max / Data-Hold – Powered by 4 Lithium-Ion batteries (duration approx. 16 days in continuous use)

XRP 3000 Advanced Digital Radiometer/Photometer Kit

A single detector with dual sensors that meets ASTM specifications for MPI and FPI. Designed specifically for PND applications.

It has:

  • Microprocessor controlled readout unit with dual wavelength sensor detector
  • Upper Band Pass Interference Filter
  • Direct or USB connection option between sensor detector and reading unit
  • Excellent answer
  • User-selectable display settings in multiple languages. Choose between English, French, German and Spanish
  • Large, easy-to-read LCD screen
  • Sealed sensor cover and USB connection with water-resistant adapter

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