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Indonesia

Ultraviolet light distribution measurement film

UVSCALE

NEW

Frequently asked questions regarding UVSCALE

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The base film is coated with microcapsules that contain a color-forming agent that reacts to UV light and produces color.

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Between 200 nm and 420 nm.

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We do not provide detailed data on the sensitivity of each wavelength. Sensitivity peaks at around 300 nm.

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Color will also come out by sunlight. However, as direct sunlight is very strong, color will form in a short amount of time. This makes it difficult to observe the effects of exposure to sunlight over long periods of time.

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Accumulated light distribution can be measured. However, we do not have comparative data on accumulated light amounts and color densities for lamps other than those listed above, so we do not provide color samples for them. If you wish to obtain accumulated light amount values, you will need to gather comparative data on accumulated light amounts and color densities using your equipment and established measurement conditions, and conduct reviews based on the results.

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It depends on the illuminance of the UV lamp, but UVSCALE is mainly designed to measure UV light radiation over a span of a few seconds to a few minutes. If exposed to UV light radiation for too long, the UVSCALE's color density may become oversaturated.

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It is a light-reducing film that is placed over the UVSCALE, making it possible to measure UV light of a higher light amount range than the L type.

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For Medium/High light level, you need to use the transparent light-reducing film that comes with the package. Make sure to place the light-reducing film on the UVSCALE before measurement.

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We have not disclosed information on the details of the light-reducing film.

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We have only tested and reviewed the H type using the light-reducing film, so we do not recommend using it without the light-reducing film. If you wish to use the LM type, please purchase the LM type.

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The formula is [illuminance] * [time] = [accumulated light amount], so it can be obtained by calculation.

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It can withstand up to 130°C. However, the higher the temperature, the produced color density of the UVSCALE becomes higher, and the UVSCALE and the light-reducing film may warp.

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With a white fluorescent lamp of about 500 lux, color will begin to form after about 20 to 30 minutes, but please use it as soon as possible. After light exposure is complete, put it in an opaque container such as a black bag to block light, and only take it out for observations or measurement. The tendency described above also changes depending on the strength and type of light. This change occurs with visible light, including light emitted from yellow lamps.

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Keep it in the original package, avoid direct sunlight, and store it in a low-temperature environment (15°C or below).

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After color is produced, immediately put it in an opaque bag and store it in a cool dark room. Do not let the color-forming surface come in contact with substances such as water, alcohol, solvents, and plasticizers, or objects such as blueprint paper, instant photographs, cellophane tape, PVC film, rubber items, or surfaces written on with permanent markers, as these items may cause the color to change or lower the color density.

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UVSCALE is a one-time use product.