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HD2021T Series – Photometric Radiometric Transmitters

Brand: Delta OHM S.R.L.
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The series HD2021T allows to convert photometric and radiometric quantities, such as illuminance (Lux) and irradiance (W/m²) in the UVA, UVB, UVC spectral regions and in the 400 … 1050nm band, into a 0 …10Vdc voltage signal.

The series is suitable to be installed either indoor and outdoor.

Available models: HD2021T for illuminance; HD2021T1 for measuring VIS-NIR irradiance; HD2021T2 for measuring UVA irradiance; HD2021T3 for measuring UVB irradiance; HD2021T4 for measuring UVC irradiance.

Amplified with output 4…20mA or 0….10 Vdc according to the choice.

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Specifications

Brand

Sensor

  • HD2021T, HD2021T1: Photodiode Si
  • HD2021T2: Photodiode GaP
  • HD2021T3, HD2021T4: Photodiode SiC

Spectral Range

  • HD2021T: Curve V(λ)
  • HD2021T1: 400…1050 nm
  • HD2021T2: UVA
  • HD2021T3: UVB
  • HD2021T4: UVC

Measure

  • HD2021T: Photometric
  • HD2021T1, HD2021T2, HD2021T3, HD2021T4: Radiometric

Viewing Angle

  • Corrected in accordance with the cosine law

Output Signal

  • 0…10 V (0…1 V, 0…5 V Min. order 5 pcs) 4…20 mA

Power Supply

  • 16…40 Vdc or 24 Vac for 0…10 V output, 10…40 Vdc or 24 Vac for 0…1 V or 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

Protection Degree

  • IP 66

Maximum Cable Length

  • 150 m with output 4...20 mA - 10 m with voltage outputs

  • Control of Illuminance (HD2021T…) in Offices, Manufacturing Plants and Production Areas, Commercial Sites, Theatres, Museums, Sports Facilities, Roadway Lighting, Tunnels and Nursery-Gardening Systems.
  • Control of Solar Radiation in the 400nm…1050nm Spectral Band (HD2021T1).
  • Control of the Irradiance Emitted by the Tanning Lamps in the UVA (HD2021T2) and UVB (HD2021T3) Spectral Regions, as well as Control of the Efficiency of Filters in Devices using High Pressure Lamps.
  • Control of the Efficiency of the Lamps used in Sewage Treatment Plants, where UVC (HD2021T4) Band Irradiance has to be Constantly Monitored.

Documentation

Datasheet

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