LP 471-BLUE, Probe for Irradiance of Blue Light

Item number: LP471BLUE

  • Accessory for the HD 2302.0 Photo-Radiometer
  • Measuring range: 1.0 · 10-3 to 2,000 W/m²
  • Sensor for measuring the irradiance in the spectral band of blue light
  • Category: Light, UV Radiation

    512,89 €

    including 19% VAT.

    Exp. shipping time: ca. 2-3 weeks

    : 0 workdays



    LP 471-BLUE, Probe for Irradiance of Blue Light

    This probe is an optional accessory for the Photo-Radiometer HD 2302.0.
    The radiometric probe measures the irradiance (W/m²) in the spectral band of blue light. The probe consists of a photodiode plus an appropriate filter and it is provided with a diffuser for proper measurements in accordance with the cosine law.
    Measuring range: 1.0·10-3 to 2,000W/m²

    The spectral response curve of the probe allows to measure the radiation effective for damages caused by blue light (curve B(lambda) according to the standards ACGIH / ICNIRP) in the spectral rane from 380 ... 550nm. The radiation optics in this section of the spectrum can produce photochemical damage to the retina. Another field of application is the monitoring of the probe irradiance from blue light used in the treatment of neonatal jaundice.

    Technical data:
    Measuring range (W/m²): 1.0·10-3 ... 999.9·10-3
                                                1.000 ... 19.999
                                                20.00 ... 199.99
                                                200.0 ... 1,999.9
    Resolution (W/m²):   0.1·10-3 /  0.001 / 0.01 / 0.1
    Spectral range: 380 ... 550nm. Action curve for damages of blue light B(lamda)
    Calibration uncertainty: <10%
    f2 (response according to the cosine law): <6%
    f3 (linearity): <3%
    f4 (instrument reading error): ±1 digit
    f5 (fatigue): <0.5%
    Drift after 1 year: <2%
    Working temperature: 0 ... +50°C
    Probe head dimensions: Ø30mm x 38mm

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