Illuminance Meter / LPPHOT02 Series
A groundbreaking illuminance meter with high precision at an innovative price.
The LPPHOT02 series illuminance meter measures illuminance (lux), defined as the ratio of luminous flux (lumens) incident on a surface to unit area (m²). The spectral response curve of the photometric measurement probe approximates the human eye's response curve, known as the standard photopic curve V(λ). The difference between the LPPHOT02 series and the standard photopic curve V(λ) in spectral response is calculated as error f’₁. The LPPHOT02 series illuminance meter has a robust structure, designed for long-term outdoor use, and is primarily used for meteorological measurements in daylight.
basic information
○Sensitivity: 0.5～2mV/klux ○Output settings: LPPHOT02AC: 4～20mA (0～150klux) LPPHOT02AV: 0～1V/0～5V/0～10V (0～150klux) ○Response time: <0.5 seconds (95%) ○Impedance: 0.5～1.0kΩ ○Measurement range: 0～150klux ○Visual: 2πsr ○Spectral range: Standard photopic curve ○Operating conditions: -40～+80℃ ○Error f’1: <9% ○Cosine response/azimuth error: <8% (between 0～80°) ○Long-term instability (1 year): <|±3|% ○Non-linearity: <|±1|% ○Temperature influence: <0.1%/℃ ○Weight: Approximately 0.9Kg
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Model number/Brand name
LPPHOT02 Light Meter
Applications/Examples of results
Mainly used for meteorological measurements in daylight.
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Sakaki Corporation provides products and services from leading European manufacturers such as "Sensirion (formerly Delta Ohm) (formerly Glaesinger)", "Senseair", "Z-LASER", and "LSI Lastem" as the official importer and distributor in Japan. Additionally, we develop, support, and undertake custom development and mass production of our own brand network IoT products, including routers and gateways that support camera video and solar power cloud services.