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  • Katalog Produk

    Transmitters for illuminance and irradiance measurements, Model : HD2021T, Brand : DeltaOhm

    Transmitters for illuminance and irradiance measurements, Model : HD2021T, Brand : DeltaOhm
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    Keterangan

    The HD 2021T series allows conversion of photometric and radiometric quantities as illuminance ( Lux) and irradiance ( W/ m2) - across, UVA, UVB, UVC spectral regions and 400 ÷ 1000nm band - into a 0 ÷ 10 voltage signal. The voltage output 0
    ÷ 10 V ( 0 ÷ 1 V, 0 ÷ 5V, 4 ÷ 20mA on request for substantial orders) comes factory set calibrated to the full scale range specified at the time of order. HD 2012T transmitters wide range of applications include:
    • Measurement of illumimance ( HD 2021T ) in offices and laboratories, manufacturing
    plants and production areas, commercial sites, theatres, museums, sports lighting, roadway lighting, tunnels and nursery-gardening systems.
    • Measurement of solar irradiance, within 400nm ÷ 1000nm spectral band ( HD
    2021T.1) .
    • Monitoring tanning lamps irradiance within UVA ( HD 2021T.2) and UVB ( HD2021T.3) spectral regions, as well as efficiency control in filters for high pressure UV lamps.
    • Efficiency control in UV lamps used in water purification plants, where UVC
    ( HD2021T.4) band irradiance needs to be constantly monitored.
    HD2021T transmitters can be installed either for indoor or outdoor applications ( Protection: IP66) . In case of extremely intense light sources measuring, the transmitter
    sensitivity can be reduced upon request. The HD 2021T series employs filters and photodiodes especially studied to adjust spectral response to a specific region of interest.

    TECHNICAL SPECIFICATIONS
    HD2021T HD2021T.1 HD2021T.2 HD2021T.3 HD2021T.4
    Sensor Photodiode
    Si
    Photodiode
    Si
    Photodiode
    GaP
    Photodiode
    SiC
    Photodiode
    SiC
    Spe ctral range Curve V( l) 450 ÷ 1000 nm UVA UVB UVC
    Viewing angle Corrected in accordance with the Cosine law
    Sensitivity 5-500 1-100 1-100 0.1-10
    mV/ lux mV/ ( mW/ m2) mV/ ( mW/ m2) mV/ ( mW/ m2)
    Output signal 0 ÷ 10 V ( 0 ÷ 1 V, 0 ÷ 5 V for at least 5 pcs per order) 4 ÷ 20mA
    Power supply 16 ÷ 40 Vdc or 24 Vac, for 0 ÷ 10 V output
    10 ÷ 40 Vdc or 24 Vac for 0 ÷ 1 V, 0 ÷ 5 V output - 10 ÷ 40 Vdc for 4 ÷ 20 mA output
    Power consumption 10 mA
    Working temperature -20 ÷ + 60 ° C
    Electrical protection Protected against polarity inversions
    Maximum dimensions 58 mm x 65 mm x 52 mm
    Degree of protection IP 66
    Maximum cable length 150 m

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