---
lang: "en"
title: "RAK12019 - UV Light Sensor Lite-On LTR-390UV-01"
sku: "RAK-100057"
canonical_url: "https://shop.marcomweb.it/en/wisblock/rak12019-uv-light-sensor-lite-on-ltr-390uv-01"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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RAK-12019 UV Light Sensor Lite-On LTR-390UV-01

RAK12019 is a UV sensor module based on the Lite On LTR-390UV-01 sensor. This sensor is capable of measuring both ambient and UV light intensity.
Use it in greenhouse control applications to protect plants from UV exposure. Or to create UV light level warning systems.
It can also be used in building lighting and window shading applications.

## Technical Features

- Optional light sensor (ALS) or ultraviolet light sensor (UVS))
- I2C interface capable of communicating in standard mode at 100 kHz or fast mode at 400 kHz.
- Very low power consumption with sleep mode capability
- Effective resolution from 13 to 20 bits
- Wide dynamic range of 1:18,000,000 with linear response
- Spectral response close to the human eye
- Automatic rejection of 50Hz/60Hz lighting flicker
- Operating voltage ranges: 1.7V to 3.6V
- Operating temperature ranges: -40 to +85 ºC
- Built-in temperature compensation circuit
- Programmable interrupt function for ALS, UVS with upper and lower thresholds

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Source: https://shop.marcomweb.it/en/wisblock/rak12019-uv-light-sensor-lite-on-ltr-390uv-01

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.