European Commission UV Protection Directive
UV Erythema Broadband Radiometer
UVA and UVB Two-channel UV Erythema detector head
Actinitic UV Erythema Dose-Response Function
Detection of UVC Radiation
UV Protection Directive Conformity
Artificial UV Sources and Sun Spectrum Correction
Cosine-Corrected Field of View
Simple Operation and Handling
Usage with a Computer
Threshold values from the UV Protection Directive
Relevant norms and regulations: UV Protection Directive, DIN EN 60335-2-27 (VDE 0700-27):2009-04, DIN 5050-1:2010-01
Threshold values irradiance | |
UV Protection Directive | 250 nm - 400 nm 0.3 W/m²eff 200 nm - 280 nm 0.003 W/m² |
60335-2-27 | 250 nm - 320 nm 0.15 W/m²eff 320 nm - 400 nm 0.15 W/m²eff |
5050-1 |
No threshold value defined for UVC 200 nm - 290 nm |
Threshold values spectral correction | |
UV Protection Directive | Consult 60335-2-27 and 5050-1 |
60335-2-27 | No value for spectral correction |
5050-1 | f1< 0.2 for broadband radiometer without specification of reference spectrum |
Threshold value cosine correction | |
UV Protection Directive | Consult 60335-2-27and 5050-1 |
60335-2-27 | No specifications for difference to cosine |
5050-1 |
f2 <0 .06 for broadband radiometer |
Threshold value temperature coefficient | |
UV Protection Directive | Consult 60335-2-27and 5050-1 |
60335-2-27 | Measurement at 20 °C ± 5 °C ambient temperature |
5050-1 | 0.005 K-1 (10 °C - 50 °C) |
Burn-in period of UV Emitters | |
UV Protection Directive | Consult 60335-2-27and 5050-1 |
60335-2-27 | Half of the maximum exposure time |
5050-1 | At least 15min and fluctuations less than ± 5 % |
Exposure time for 100J/m² | |
UV Protection Directive calculation example | At Eeff 0.3 W/m² about 5 min und 30 s 100 J/m² / 0.3 W/m² ≈ 330 s |
Threshold value measurement distance | |
UV Protection Directive | Consult 60335-2-27and 5050-1 |
60335-2-27 | Min. recommended distance 100±2mm for facial radiation devices |
5050-1 | Full body radiation 0mm or in a radius of 30 cm in front of the measurement point on the support surface |




General | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Specifications |
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Short description | Mobile radiometer for the measurement of the UV Erythema effective irradiance and detection of UV-C radiation in accordance with the UV protection Act for solaria. UVSV, DIN EN 60335-2-27 and DIN 5050-1:2010-01 conformity. |
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Main features | Compact gauge in ergonomic design for one hand control. Three-chanel detector head XD-45-ERYC for the measurement of the effective UV-A and UV-BC Erythema irradiance and detection of UV-C irradiance. Battery powered with two AA cells. USB-Interface. |
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Measurement range | In accordance with the specifications of the detector head XD-45-ERYC. |
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typical applications | Mobile gauge for the check of the Erythem risk by use of sunbeds and tanning beds. |
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Calibration | Meter: Calibration and comparison of the current responsivity in each of the seven gain ranges. Detector heads: Calibration of the actinic responsivity of each of the detector head chanel. Calibration of the relative spectral responsivity of each of the detector head cells. Calibration certificate with description of the calibration procedure, reference standards used and calibration values. |
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Graphs | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
spectral responsivity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
temperature range | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
f2 (directional response/cosine error) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
spectral responsivity |
Produktname | Product Image | Description | Show product |
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XD-45-ERYC | ![]() |
Detector for UV hazard measurements of solaria and other tanning lamps in accordance to UVSV. Features: Multi-cell detector for ERYTHEMA effective irradiance and UV-C evidence, for the usage with X1-4 optometer, calibration certificate. |
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S-X1 | ![]() |
Application software for X1 variants. | |
S-SDK-X20 | ![]() |
Software Development Kit for X20 variants (X1 and HCT99). |