Light Meter

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Product Features
  • Triple Display, 4-digit LCD reading.
  • LED Color Bin select function (x,y) or (Tcp,Δuv).
  • User calibration function.
  • User reference value setting function.
  • Illuminance maximum/minimum measurement function.
  • Data Hold function.
  • Data memory and read function.
  • Data logger function.
  • USB Interface.


Display Triple display 4 digit LCD read out.
Measuring function   

Tristimulus values: XYZ

Chromaticity: (Ev, x, y); (Ev, u, v); (Ev, λd, Pe);                              (Ev, λd, Pc); (Ev, MAX, MIN)

Correlated color temperature: (Ev, Tcp,uv);                                                            (Ev, Tcp, uv)

Color difference:(X, Y,Z); (Ev,x,y);                                    (Ev,u,v); (Ev,uv);                                      (Ev,λd,Pe); (Ev,λd,Pc)

Measuring range

0.1 to 99990 lx, 0.01 to 9999 fc

(Chromaticity: 5 lx, 0.5 fcd or above)


Ev (Linearity): ≤3000K:           ±3%rdg±2dgts                                       >3000~4000K: ±4%rdg±2dgts                                       >4000~6000K: ±5%rdg±2dgts                                       >6000~7000K: ±6%rdg±2dgts

xy: ±0.25   (800 lx, Standard Illuminant A measured)


Ev: ±0.5%rdg±1dgt

xy: ±0.005   (800 lx, Standard Illuminant A measured)

Temperature drift Ev: ±5%rdg±2dgts, xy: ±0.008
Humidity drift Ev: ±3%rdg±2dgts, xy: ±0.005
CIE photopic f ’1 8%
Cosine response f2 3%
Measuring Rate 1 sec
Photosensor Silicon photocell
Data Memory Capacity 80 sets. (Direct reading from LCD display)
Data Logger Capacity microSD CARD 4GB
Operating / Storage Conditions 0°C to 50°C <80% RH / -10°C to 60°C <70%RH
Power Source 6 pcs AAA size Battery
Battery Life (typical) 50 hours
Photosensor Lead Length 150 cm (approx.)
Photosensor Dimensions 92(L) × 60(W) × 29(H)mm
Dimension 150(L) × 72(W) × 35(H)mm
Weight Meter: 235g, Photosensor: 210g

Carrying case, Instruction manual, Battery,

CD software,USB cable.

q Measure tristimulus values, chromaticity, color difference, correlated color temperature, and illuminance of light sources.

q R&D and color inspection of light in a variety of industries such as lamp manufacturers, building and interior design.

q Set-up projectors for presentation purposes.

q Adjust color of CRTs, flat panel, and other display devices.

q Evaluate and control color of light boxes and light booths.