Spectroradiometer “TKA-Spectr”

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