In UV curing applications requiring deep curing of adhesives and paints, UV-A radiation for stimulating photoinitiators is the largely standardized spectral range. UV radiometers for these applications must be designed in such a way that they only measure the irradiance in the actinic range of the photoinitiators.
Product description
RCH-011 irradiance detector
The UV detector RCH-011 was specially developed for use in UV radiation curing with discharge lamps. It offers all the features and functions of the detectors of the RCH series. Its spectral responsivity covers the wavelength range from 345 to 385 nm, which is used in particular for the deep curing of adhesives and paints.
Calibration
The detectors are calibrated with regard to their responsivity to irradiance and are supplied with a factory calibration certificate that corresponds to the high standard of the measuring laboratory for optical radiation measurements of Gigahertz-Optik. If necessary, a test certificate accredited according to DIN EN ISO / IEC 17025 can optionally be created for the detector with the associated measuring device.
Typical spectral sensitivity (relative) of the RCH-011 detectors
Relative spectral sensitivity of the RCH-x11 detectors together with the typical emission spectrum of a mercury lamp.
RCH-011 detector with flexible light guide
| General | |||
| Short description | UV detector for measuring the irradiance in UV curing with discharge lamps |
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| Main features | Detector for the high UV radiation levels in UV radiation curing. Large safety distance between the handle and the radiation sensor of the detector. For use with all gigahertz optics measuring devices. |
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| Measurement ranges | Spectral responsivity 345 nm to 385 nm. |
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| typical applications | UV radiation curing with medium pressure lamps |
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| Calibration | Calibration of the irradiance responsivity in A / (W / cm²) with factory calibration certificate of the measuring laboratory of the Gigahertz-Optik. Optional DIN EN ISO / IEC 17025 accredited test certificate |
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| Product | |||
| spectral responsivity |
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| Input optics | 9 mm, diffuser |
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| Dimensions | Measurement head: Height: 8 mm / Diameter: 37 mm Detector element: Length: 65 mm / Diameter: 15 mm |
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| Light Guide | Flexible: 50 cm / 20 inch |
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| typical responsivity | D-Type 350 nm - 400 nm: 1.6 nA/(mW/cm²) |
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| max. Irradiance | 40 W/cm² |
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| Max. signal current | 100 µA |
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| Miscellaneous | |||
| temperature range | up to + 100 °C (short-term) |
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| Humidity | <80%, non-condensing |
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| Cable Length | 50 cm |
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| Connector | -1,-2 or -4 |
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| Info | If a different light source needs to be measured than calibrated (spectral distribution), spectcral missmatch correction factors should be applied in order to achieve a low measurement uncertainty. At very high humidity fault-currents of the radiometer at low measurement currents are possible and need to be consiered. At higher temperature a temperature correction of the detector signal might be necessary in order to achieve a low measurement uncertainty. |
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