Testing, Analysis and Measurement

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石川産業

EstablishmentApril 21, 1967

addressTokyo/Mitaka-shi/Shinkawa 4-6-10

phone0422-44-5501

last updated：Mar 13, 2023

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石川産業 Product Lineup

1～4 item / All 4 items

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Sunshine recorder, solar radiation meter, radiometer

We offer a lineup of solar radiation and sunshine meters that measure the radiation energy from the sun, tailored for applications in meteorology, agriculture, and research. Additionally, we also have underwater illuminance meters specifically designed for measuring underwater light levels in the ocean.

All-day solar radiation meter

It is a measuring instrument that observes all-sky solar radiation in accordance with ground meteorological observation methods.

You can take the certification exam at the Japan Meteorological Agency's Meteorological Instrument Calibration Center. It captures and observes direct solar radiation and scattered solar radiation in the shortwave radiation band (wavelength 0.3 to 2.8 μm) incident on a horizontal plane using a 2π solid angle. It has a hermetically sealed and waterproof structure suitable for continuous observation. It comes with a level and adjustment screws, making horizontal installation easy.

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All-day solar radiation meter - budget model

A detector that uses a thermopile with nearly uniform sensitivity across all wavelengths of shortwave radiation in the light-receiving section and outputs the temperature difference as a voltage signal.

Since a wire-wound thermopile (thermoelectric pile) is used as the light-receiving element, it has almost uniform sensitivity across all wavelengths.

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Absolute radiometer measurement system for solar radiation meter calibration

It is a high-precision absolute radiometer measurement system that can measure solar energy with an accuracy close to nearly 100%.

The mechanism that converts solar energy into heat with almost 100% efficiency, along with the structure that allows for the precise calculation of solar energy, can also be used for the calibration of solar radiation measuring instruments.

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Environmental Measurement Underwater Illuminance Meter IU Series

It is an underwater illuminance meter designed to measure changes in the underwater environment based on the illuminance in the water.

【Underwater Single Type: IU-2A】 Measures the upward illuminance in water.

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