VTSYIQI Handheld Spectral Illuminance Meter Spectral Color Illuminance Meter with Photometric Measurement Range 0.1～200 Kcd/m² Color Temperature Range 1,000K～100,000K Wavelength Range 380nm～780nm for Testing Light Source Light Colour

About this item

Spectral luminance meter  is a new generation of handheld light source light color testing instrument, using advanced micro spectrometer, embedded operating system and microcomputer technology integration, Bluetooth APP, small program to make the test more convenient and simple, one-click sharing, more in line with the field application scenario of parameter testing analysis and verification. It can be used for sampling and measurement of light source parameters anytime and anywhere, and can also be connected to PC software for testing, which can efficiently analyze and process the test data, with extremely high measurement linearity and accuracy. It is suitable for all kinds of screens, projectors, movie screens, LCD screens, point light sources, automotive panels, etc
Test parameters brightness, Lambert value, colour gamut, colour gamut coverage, etc.

Main applications

1. Point light source and area light source

2. Mobile phone screens, projectors, touch screens, outdoor screens, automotive panel lights, atmosphere lights, etc

3. On-site testing of commercial lighting, health lighting, home lighting, architectural lighting, etc.;

2. Laboratory research and development verification testing;

3. On-site lighting measurement fields such as homes, shopping malls, schools,factories, greenhouses, and outdoors;

4. Research and development of light source products, quality control of production line and other links

5. On-line detection, sorting, real-time monitoring of light source products, etc

Optical path characteristics (structure of optical fiber spectrometer)

1. A variety of optical inputs go directly into the slit or through the optical fiber

2. Wavelength range: 380-780nm

3. Spectral resolution: 0.2nm

4. Optical field of view lens

5. Stray light: <0.1%

6. High-speed data acquisition, integration time: milliseconds

7. Focal length 72.5mm symmetrical non-crossed H-T optical path

8. Communication mode: USB communication

9. Dimensions: 156mm*81mm*21.8

10. Advanced micro spectrometer technology is adopted, which is more accurate than the traditional probe test;

11. Equipped with computer software, it can be connected to the computer to print the test report;

12. Color liquid crystal display, good graphic interface, can display spectral waveform, color tolerance elliptical diagram;

13. 5-inch IPS touch screen

Test Parameters

Correlated color temperature Tc(K), blackbody deviation Duv

Brightness cd/m²

Candle E(Fc)

Irradiance Ee(W/m²)

Lambert fl

Lambert L

Color coordinates (x, y), (u, v), (u′, v′)

Relative spectral power distribution P(λ)

Color rendering index Ra,Ri(i=1~15)

Color rendering index (long strip diagram)

Color rendering index (spatial diagram)

Color coordinate diagram CIE1976 CIE1960 CIE1931

Color tolerance diagram SDCM (McAdam ellipse, rectangular box, and CIEu'v' circle)

Main wavelength, peak wavelength, center wavelength, centroid wavelength, half-width

Light-dark visual ratio S/P

Color purity, red ratio, green ratio, blue ratio, CIE1931 trichromatic stimulation values X, Y, Z

Color gamut, color gamut coverage

T M-30 fidelity Rf

T M-30 saturation Rg

Color quality index CQS

Transmittance %

Main specifications:

Wavelength range:380nm～780nm

Spectroscopic mode:Telephoto cross asymmetric CT spectroscopy system

Sensor: High-precision CCD

Spectral Bandwidth(FWHM): 2nm

Spectral resolution: 0.2nm

x,y coordinate values: x,y accuracy ±0.0015 ; x, y repeatability ± 0.0005

Wavelength accuracy: ±0.5nm

Wavelength data output interval: 1nm

Illuminance accuracy: Level 1 ( ±4% reading ± 1 reading)

Color rendering accuracy: ±1.5%

Photosensitive surface: Ф10mm

Screen type: 5” HD IPS capacitive touch screen

Display type: PC software, APP, applet, touch screen

Accuracy of color coordinates: ±0.0025 (better than ±0.0005 standard light source relative to traceability to NIM)

Color temperature range: 1,000K～100,000K

Stray light: ≤0.3%

Photometric measurement range: 0.1～200Kcd/m²

Measurement mode: Single test/continuous test

Language patterns: Chinese and English can be switched

Spectral display mode: Spectral distribution map

The data shows the pattern :You can slide up and down to display all parameters

Graphical display mode: CIE1931 Chromaticity Diagram CIE1960 Chromaticity Diagram CIE1976 Chromaticity Diagram Elliptical Diagram of Color Tolerance Circular Diagram of Color Rendering Index Histogram

Integration time: 50µs～10000ms

Save format: SOURCE FILES/PDF/EXCEL, ETC

Communication interface: Type-C, Bluetooth

Operating temperature/humidity range: (-10~40)°C, relative humidity<70% (non-condensing)

Storage temperature/humidity range: (-20~45)°C, relative humidity<70% (non-condensing)

Calibration method: Automatic zeroing

Storage capacity: 8G is standard from the factory

Power supply mode: Built-in lithium battery/power adapter

Duration of continuous work: It can be used for about 20 hours on a single charge

The structure of the whole machine: All aluminum alloy engraving

Size/weight of the main unit: 156mm (height) × 81mm (width) × 21.8mm (thickness) /

Approx. 300g without accessories (including battery)