VTSYIQI Plant Spectrum Analyzer Handheld Spectral Illuminance Meter with  Telephoto Cross Asymmetric CT Spectral System Wavelength Range 280nm~ 950nm Integration Time 50µs～10000ms Color Rendering Accuracy ±1.5% Infrared Parameters Plant Parameters

About this item

◆ The measurement speed is up to millisecond. And all the spectral radiometric, photometric, colori metric and phytometric quantities can be obtained;

◆ The instrument comes with Bluetooth settings, and the test can be controlled remotely through a mobile phone;

◆ The 5" color touch screen widens the vision and simplified the operation with fingertip;

◆ The data can be exported as “ Excel ” and “JPG” etc. formats, and it is convenient for view and edit;

◆ The built-in large storage space can be used for storing the history data and the on-line test data, which is convenient for on-site analysis and comparisons as well as data transmission.

◆ The compact design makes it hand-held and portable;

◆ Equipped with a high capacity and rechargeable lithium ion battery , it can be continuously operated for field measurement.

◆ Powerful software function, it can automatically verify whether the product is qualified according to test results and presetting value.

Measurable items:
1) Plant parameters
2) PPDF(μmol/㎡/s)(350-800)
3) PPDFuv(μmol/㎡/s
4) PPFDr(μmol/㎡/s)
5) PPFDg(μmol/㎡/s)
6) PPFDb(μmol/㎡/s)
7) PPFDfr(μmol/㎡/s)
8) E(400-700nm)(w/㎡)
9) Euv(w/㎡)
10) Er(w/㎡)
11) Eg(w/㎡)
12) Eb (w/㎡)
13) Efr(w/㎡)
14) Ep(w/㎡)
15) Erb Ratio
16) Chlorophyll A-weighted irradiance Ech-A(w/㎡)
17) Chlorophyll B-weighted irradiance Ech-B(w/㎡)
18) Photosynthetically active irradiance PAR w/㎡
19) Effective photosynthetic photon flux density YPFD:
20) Red/blue light ratio R/B
21) Red/far-red ratio R/FR
22) Photosynthetic and photometric conversion coefficients KPPFV umol/s/Klx
23) Photosynthetically available radiated PUR (w/m²) (400-550nm blue light and 620-740nm red light energy)
24) Correlated color temperature Tc
25) Illuminance lx
26) Irradiance Ee(W/m²)
27) Color coordinates (x,y), (u,v), (u′,v′)
28) Relative spectral power distribution P(λ)
29) Color rendering index Ri(i=1~15)
30) Color rendering index CRI (Ra); AvgR
31) Color rendering index (spatial diagram)
32) Color coordinate diagram CIE1976 CIE1960 CIE1931
33) Color Tolerance Diagram SDCM (McAdam Ellipse, Rectangular Frame and CIEu'v' Circle National Standard, ANSI Standard, EU ERP Standard)
34) Dominant wavelength, peak wavelength, center wavelength, centroid wavelength, half width
35) Ratio of light and dark vision to S/P
36) The blackbody deviates from the Duv
37) Candlelight
38) Color purity, red ratio, green ratio, blue ratio, CIE1931 trichromatic stimulation values X, Y, Z
39) TM-30 fidelity Rf
40) TM-30 saturation Rg
41) Color quality index CQS
42) Transmittance %