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LP471P-A – Combined Illuminance and Irradiance Probe

Brand: Delta OHM S.R.L.

Combined probe for measuring ILLUMINANCE (lux), with standard photopic response, and IRRADIANCE (μW/cm²) in the UVA spectral range (315 to 400 nm, with peak at 360 nm).

Both the sensors are equipped with diffuser for the correction according to the cosine law.
  • Illuminance measuring range: 0.10 lux to 200·10³ lux.
  • Irradiance measuring range: 1.0 mW/m² to 2000 W/m².
This probe provides the ratio between UVA irradiance and illuminance in μW/lumen (quantity of interest in museums). CIE 157.

Supplied with SICRAM module and 2 m cable.

The probe works with the instruments DO9847 (from rev. R.1), HD31, HD2302.0 (from rev. 01), HD2102.1 (from rev. 11) and HD2102.2 (from rev. 21).

1 - 1 of 1 Part Numbers
LP471P-A
LP471P-A
Combined probe for measuring the ILLUMINANCE and the IRRADIANCE in the UVA spectral range.
1 - 1 of 1 Part Numbers

Specifications

Measuring Range: Resolution (W/m²)

  • 0.3 to 199.9 : 0.01
  • Up to 1999 : 0.1
  • Up to 19999 : 1
  • Up to 199.99·103 : 0.01·103

Spectral Range

  • In agreement with standard photopic curve V(λ)

α (Temperature Coefficient) f6 (T)

  • < 0.05 %K

Calibration Uncertainty

  • < 4 %

f’1 (In Agreement with Photopic Response V(λ))

  • < 6 %

f2 (Response according to the Cosine Law)

  • < 3 %

f3 (Linearity)

  • < 1 %

f4 (Instrument Reading Error)

  • < 0.5 %

f5 (Fatigue)

  • < 0.5 %

Class

  • B

Drift After 1 Year

  • < 1 %

Working Temperature

  • 0° to 50° C

Reference Standards

  • CIE n.69 - UNI 11142

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