Spectroradiometer “TKA-Spectr”

Spectroradiometer “TKA-Spectr”

PRICE:

PRICE:

180900 руб.

TU 26.51.53-005-16796024-2020.

  • Spectroradiometer “TKA-Spectr”
  • Cosine corrector
  • Power adapter with USB output
  • PC communication cable
  • Storage medium with software
  • Manual
  • Passport
  • Plastic case
  • Transport container

SRD [ W / (m 2 · sr · nm) ] or SID [ W / (m 2 · nm) ] in the range 390-760 nm ,
chromaticity coordinates
CIE 1931, 1964, 1976,
correlated color temperature [ K ] ,
color rendering index
R a , CRI and the CQS,
radiance [ W / m ] or irradiance [ W / m ] in the range of 390-760 nm ,
PAR radiance [ mol / (m2 · sr · s)] or PAR irradiance (PPFD) [ µmol / (m 2 · s) ] in the range of 400-700 nm ,
luminance [ cd / m² ] or illuminance [ lx ].
Color Touch Screen 4.3 inches . USB / Bluetooth. Built-in battery 3.7 in .
Factory calibration.

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      Description

      Instrument complete set

      • Spectroradiometer “TKA-Spectr”
      • Cosine corrector
      • Power adapter with USB output
      • PC communication cable
      • Flash drive with software
      • Manual
      • Passport
      • Plastic case
      • Transport container

      Main technical characteristics

      Measurement mode Continuous / Pause
      Spectral range, nm 390 ÷ 760
      Resolution / discreteness, nm (no more) 10 / 0.4
      Measurement ranges:
      spectral density of radiance, W / (sr m 2 nm)
      spectral density of irradiance, W / (m 2 nm)
      chromaticity coordinates x, y in the MCO 1931 systemgeneral color rendering index R a of self-luminous objects
      10 · 10 -6 ÷ 1.0
      10 · 10 -5+ ÷ 0.5
      x = 0.004 ÷ 0.734;
      y = 0.005 ÷ 0.834
      1.0 ÷ 100.0
      Limits of the permissible value of the relative
      measurement error of the SPEY (or SPEO) ,%
      ± 5.0
      Limits of permissible absolute measurement error on the chromaticity coordinate scale, abs. units, for self-luminous objects ± 0.020
      Accepted limits of the absolute error measure correlated color in the temperature range (for white light sources):
      • from 2000 K to 2300 K
      • more than 2300 K to 3300 K
      • more than 3300 K to 5100 K
      • more than 5100 K up to 7,200 K
      • more than 7,200 K up to 10,000 K
       

      ± 50
      ± 100
      ± 200
      ± 500
      ± 1000

      Limits of permissible absolute error in measuring the
      general color rendering index of self-luminous objects ΔR a
      ± 3.0
      The limits of the additional relative error of the
      spectroradiometer when measuring energy quantities, due to the
      change in the sensitivity of the photodiode array when
      the air temperature changes by every 10 ° С in the range from 0 to +40 ° С,%
      ± 1.0
      Indication ranges:
      luminance of continuous, cd / m 2
      illuninance of continuous radiation, lx
      radiance of continuous, W / (m 2 sr)
      irradiance of continuous radiation, W / m 2
      correlated color temperature, K
      PAR radiance in the range of 400 ÷ 700 nm, μmol / (m 2 s sr)
      PAR irradiance in the range 400 ÷ 700 nm, μmol / (m 2 s)
      0.1 ÷ 60 000
      1 ÷ 200 000
      5 · 10 -4 ÷ 1000
      1 · 10 -4 ÷ 2000
      1600 ÷ 50 000
      0.01 ÷ 500
      0.1 ÷ 2000
      Calculated parameters:
      weighted radiance in the range 390 ÷ 760 nm , W / (m 2 sr)
      weighted irradiance in the range 390 ÷ 760 nm , W / m 2
      color coordinates in MCO systems
      chromaticity coordinates in MCO systems
      dominant wavelength λ s , nm
      color rendering indices of self-luminous objects
      difference between brightness in conditions of twilight and daytime vision
      color difference with an arbitrary reference source
      blue light L B , burn hazard L R
      blue light E B , burn hazard E R
      1931 XYZ and 1964 XYZ
      1964 XYZ, 1976 u’v ‘and 1976 L * a * b *CRI и CQS

      S/P

      ΔE*ab

      Receiver Polychromator, 1024-pixel array of silicon photocells
      The minimum diameter of the photometric area, mm 15
      Signal exposure time, s 0.007 ÷ 4
      Measurement time, s , no more 10
      Maximum output power of Bluetooth, class 2, mW 2.5
      The maximum amount of supported micro SD, GB 2.0
      Time of continuous operation of the spectroradiometer, h , not less 8
      Spectroradiometer service life, years 7

      Mechanical data of the device

      • Ambient temperature: 0 to +40 ° C
      • Weight of the device with a power supply: no more than 1.0 kg
      • Overall dimensions: no more than 250 (L) x 100 (B) x 80 (H) mm
      • Interface: USB / Bluetooth
      • Power supply: built-in battery 3.7 The

      On the underside of the device there is a threaded socket (1/4 ″) for mounting on a tripod

      The devices are designed to measure radiometric (SPEYA, SPEO) and colorimetric (chromaticity coordinates, correlated color temperature, color rendering indices) characteristics of self-luminous objects in the visible spectral region with subsequent processing, recording and printing of the information received in graphic and digital form.

      The device is recommended for research at the design stage of new LED greenhouse phytolamps and for assessing the energy efficiency of a lighting device during operation.

      In world practice, an agreement has been adopted that allows us to define and measure the PAR irradiance as a falling quantum flux in the range from 400 to 700 nm without involving any experimental plant reactions . For a quantitative transition from units of energy power to units of luminous power, we use a standard expression (see “Lighting measurements” by MG Kozlov, KA Tomsky, p.37).

      Structurally, the spectroradiometer is made as a single unit. There is a lens on the front end cap of the body, the angle of view is 2 degrees (BRIGHTNESS mode).

      Additionally, the device is equipped with a cosine corrector. The aperture of the cosine corrector is 180 degrees and eliminates a number of optical-geometric matching problems (LIGHT mode). Direct measurements in two modes.

      Thanks to a careful selection of the functions used and the displayed parameters, it was possible to minimize the number of various menus and screens. The size of the displayed characters allows you to confidently read the instrument readings up to one meter.

       

      “TKA-Spectrum” working screens

      The interface part of the software (freeware) TKA_Spectr4 (@ M ‘Windows) is used to display the received data both in tabular and graphical form, to save the measurement results .

      Main window of TKA_Spectr4 software