LEP in Industrial

I. Characteristics of the Color difference detection series LEP light source

1.1. Characteristics of LEP spectrum

The proportion of the red, green and blue spectrum of the LEP light source is almost the same as that of sunlight. The spectrum wavelength range covers 295nm-1800nm, which is the continuous spectrum closest to sunlight. The color temperature of LEP is 4500K-6000K, the same as natural light. The illuminated objects are displayed as clearly as in daytime sunlight. It has the characteristics of excellent color rendering, constant color temperature, extremely low light decay, no flicker, high brightness, high stability and consistency. Invisible light accounts for 30%, visible light accounts for 70%, and the red, green and blue proportions of the visible light part are 41/32/27, which is almost the same as sunlight. The proportion of each wavelength of the spectrum is very close to the spectrum of sunlight, see the table below:

Comparison between sunlight and several commonly used electric light sources

1.2. Physical characteristics of LEP light source

LEP light sources all use high-purity quartz bulbs with extremely high light transmittance. They are resistant to high temperatures and can be used for a long time at 1100°C without bursting. Their safety performance is higher than that of ceramic glass bulbs.

With excellent natural heat dissipation performance, the integrated LEP light source (including amplifier, power supply and lamp holder) can keep the temperature as low as 58℃ (room temperature @ 32℃) during long-term operation.

The radiant heat of LEP light source during operation is significantly lower than that of LED.

1.3. Application advantages of the Color difference detection series LEP

The light source is the starting point of color difference detection. Its stability and consistency determine the accuracy and consistency of the color difference detection results. Looking at the four generations of lighting technology light sources, incandescent lamps, fluorescent lamps, high-pressure gas discharge lamps and LED lamps, they all have certain technical weaknesses to varying degrees, such as short life, large light decay, large changes in color temperature, and non-full spectrum.

The LEP light source of LEP-S-300-V25095-05 is the best light source for automatic color difference detection. Extremely high consistency, excellent color rendering performance and constant color temperature are the three necessary foundations of the standard light source for automatic color difference detection, giving it a pair of intelligent "eyes" with unified standards.

The power density of the plasma light source (LEP light source) for color difference detection reaches above AM1.5 (≥1000W/m2), and the irradiation intensity reaches above 1.0Sun. The spectrum matching, irradiation stability and irradiation uniformity with sunlight can reach the AAA level of the international standard for solar simulators. This LEP light source has the following characteristics:

• Color temperature is consistent with natural light

• Constant color temperature

• No flicker, meeting high-speed video requirements

• Almost no light decay

• High uniformity

• Color tolerance <5

• Service life up to 50,000 hours

II. Technical parameters of the Color difference detection series LEP light source

2.1. Parameters of the Color difference detection series LEP light source

Product model	LEP-S-300-V25095-05
Product series	Color difference detection series LEP Light Source
Spectral range	295 nm-1800 nm
Initial luminous flux	17000 lm
Luminous flux efficiency	68.44 lm/w
Luminous energy	24285 （lm）
Luminous energy efficiency	98 （lm/w）
CCT	5000K
CRI	95
service life	50000h (≥80%)
AC power	270 W
DC voltage	28 V
Direct current	8.9 A
Dimming control	Customizable
Light output direction	Down ± 30
Intelligent switch	Supported
Opening time	30-60 seconds
Restart time	90-180 seconds (restart automatic protection)
Total weight	3.7kg (lamp head+microwave solid-state source+power supply+connector)
Outer packaging size	L*W*H: 510*240*110mm
Typical spectra (customizable)
Optical output distribution characteristics

2.2 Environmental requirements for LEP light sources

A) Work Environment

Temperature -25℃ to +45℃, humidity 5%-95%.

B) Storage environment temperature

Temperature -40℃ to +80℃, humidity 5%-95%.

2.3. Heat dissipation requirements of LEP light sources

A) Power supply cooling

If the LEP power supply is external, the power supply shell itself can meet the heat dissipation requirements. If the power supply is built-in, the heat dissipation must meet the requirement that the temperature rise is less than 35°C under a 25W heat source.

B) Power amplifier heat dissipation

The power amplifier (microwave solid-state source) must meet the requirement that the temperature rise is less than 35°C under an 80W heat source.

C) System cooling

When the ambient temperature is 30°C, the shell temperature of the entire LEP system must be kept below 70°C to meet safety regulations.

III. Components and dimensions of LEP light source

3.1 LEP lamp head size (IP54)

3.2. Size of microwave solid-state source (IP65)

3.3. Driver power size (IP67)

A) Appearance size

B) Power supply parameters

3.4 Line configuration and overall dimension diagram

4、 Model Naming Rules and Selection Guidelines

remarks: 

1. Color temperature is a range value:

35 (3500K-4500K), 50 (5000K-5500K), 65 (6000K-6500K);

2. Explicit refers to the lowest range value

72 represents the lowest Ra72, 80 represents the lowest Ra80, 92 represents the lowest Ra92, 95 represents the lowest Ra95;

3. Customers can choose or customize light sources with different spectra based on their actual application needs for the same model of LEP light source. We welcome further communication with you, such as:

1) There will be many different spectral options (1-99) for LEP light sources of the same model. We will recommend spectral types that are more suitable for user scenarios based on customer needs;

2) Requirements for the proportion of various light colors such as red, green, blue, etc;

3) Specific color temperature and color rendering index range values;

4. Due to the continuous updating and development of technology, if there is any change in the above technical data, please refer to the quotation.