SEKONIC LD

Content rating
Everyone
100+
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Content rating
Everyone
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About this app

With SEKONIC LD, you can use the full functionality of the spectrometer C-4000. You can remotely control the C-4000 via Bluetooth and view graphs of measurement data in various way. It displays illuminance (lux or foot-candle), deviation (⊿uv), color temperature (K), color rendering index (CRI/TM-30), and CIE1931 chromaticity coordinates (x,y). and imports stored data from the C-4000. Get 40% off a 12-month subscription or 20% off a 3-month one until June 31, 2025. Regular rates apply at renewal.
SEKONIC LD offers upgrade option with in-app purchases (3-month subscription, 12-month subscription), including a 2-week free trial. With the upgrade, you can import drawings such as lighting layouts or site photos, and link measured values directly on them. Even if you stop the measurement midway, you can add notes to the saved data, making it convenient for multiple measurements. You can also attach smartphone images and notes to each measurement data. Location information of sites can also be attached with GPS data.
Compile project data into simple reports, output as PDFs, or export as CSVs for further processing.
Updated on
Oct 26, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Content rating
Everyone
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App support

Phone number
+81339782335
About the developer
SEKONIC CORPORATION
meter@sekonic.co.jp
7-24-14, OIZUMIGAKUENCHO SEKONIC BLDG. 2F NERIMA-KU, 東京都 178-0061 Japan
+81 3-3978-2335

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