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03 Aug, 2022 20 Views Author: LISUN

How to measure light with a LISUN integrating sphere power meter

The integrating sphere system is composed of spectrometer, standard light source, DC power supply, AC power supply and digital power meter, which provides the calibration of luminous flux, color temperature, wavelength, chromaticity, voltage, current and other items.

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Digital power meter:
It is an electronic measuring instrument used to measure voltage, current, electric power, etc.
Usage: it is mainly used to measure the power parameters of relevant instruments, such as voltage, current, electric power, power factor, etc.
Classification:
1. The comprehensive electric parameter measuring instruments mainly include: digital electric parameter measuring instrument, single-phase electric parameter measuring instrument and three-phase electric parameter measuring instrument, etc Among them, the digital power meter adopts the meter pasting technology, which has smaller volume, more stable quality, rich interface functions and measurement functions, and more comprehensive measurement functions, such as harmonic, PWM wave, no-load loss, etc., and can meet the testing requirements of laboratory power frequency products.

2. Digital power meter can be divided into single-phase power meter and three-phase power meter according to the test voltage phase line The single-phase power meter is widely used in the measurement of TV sets, transformers, etc. the three-phase power meter is suitable for the parameter measurement of three-phase instruments such as motors.

3. Digital power meter can be divided into AC power meter, DC power meter or AC / DC power meter, and the corresponding model can be selected according to the actual application needs.
4. Digital power meter can be divided into general power meter and high-precision power meter according to the test accuracy At present, the accuracy of conventional power meters on the market is generally 0.5 grade, that is, the error is 5 ‰; High accuracy can be as high as five tenths of a million.

The integrating sphere tester adopts the relative comparison method When measuring, it is necessary to use the standard light source for calibration first, and then calculate the actual measured value of the integrating sphere by comparing with the value of the standard light source.

When using the integrating sphere tester to measure, install the standard light source into the integrating sphere, connect the current source and the digital power meter, and then light up the standard light source. Adjust in the integrating sphere software operation interface, and then the digital power meter starts to operate. The current, voltage and power values appear on the display frequency until the luminous flux reaches stability, and record its luminous flux value and current value. Therefore, the digital power meter of the integrating sphere is an important device for light intensity detection. Digital power meter is mainly used to measure the output of the light source. Whether the light emission comes from a weak light source (such as fluorescence) or from a high-energy pulse laser, the digital power meter is an essential tool in a variety of application environments such as laboratory production departments or work sites.

Therefore,LISUN lauched LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric, colorimetric and electrical parameters. According to CIE 177CIE84,  CIE-13.3IES LM-79-19Optical-Engineering-49-3-033602COMMISSION DELEGATED REGULATION (EU) 2019/2015IESNA LM-63-2IES-LM-80 and ANSI-C78.377, it recommends to using an array spectroradiometer with an integrating sphere to test SSL products. The LPCE-2 system is applied with LMS-9000C High Precision CCD Spectroradiometer or LMS-9500C Scientific Grade CCD Spectroradiometer, and A molding integrating sphere with holder base. This sphere is more round and the test result is more accruacy than the traditional integrating sphere.

High Precision Spectroradiometer Integrating Sphere System LPCE 2(LMS 9000) AL2

High Precision Spectroradiometer Integrating Sphere System LPCE 2(LMS 9000)

High Precision LPCE-2(LMS-9000C) System Configuration (It is suitable for the Middle & Small Manufactory or General Test Lab): 
High Precision CCD Spectroradiometer (LMS-9000C), Optical Fiber (CFO-1.5M), Digital Power Meter (LS2050B/LS2050C/LS2012), DC Power Source (DC Series), AC Power Source (LSP-500VARC or LSP-500VARC-Pst), Integrating Sphere (IS-1.5MA and IS-0.3M), Standard Light Source (SLS-50W and SLS-10W), 19 Inch Cabinet (CASE-19IN). You can download the detail PDF here: LPCE-2 (LMS-9000C) High Precision CCD Spectroradiometer Integrating Sphere System Brochure

LS2050 High Accuracy AC and DC Power Meter

LS2050 High Accuracy AC and DC Power Meter

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

Our main products are GoniophotometerIntegrating SphereSpectroradiometerSurge GeneratorESD Simulator GunsEMI ReceiverEMC Test EquipmentElectrical Safety TesterEnvironmental ChamberTemperature ChamberClimate ChamberThermal ChamberSalt Spray TestDust Test ChamberWaterproof TestRoHS Test (EDXRF)Glow Wire Test and Needle Flame Test.

Please feel free to contact us if you need any support.
Tech Dep: [email protected], Cell/WhatsApp:+8615317907381
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