{"product_id":"infwin-als20","title":"INFWIN ALS20-Ambient Light Sensor, Illuminance Transmitter","description":"\u003cp\u003eThe INFWIN ALS20 is an ambient light sensor (illuminance transmitter) with RS485\/Modbus-RTU, analog voltage, or analog current output. Each unit is individually calibrated for excellent accuracy and consistency. Illuminance range, power supply, output interface, and cable length are configurable via ordering code - the default variant (ALS20-FAC002) ships with a 0–200000 lux range, RS485\/Modbus-RTU output, 3.9–30V DC supply, and a 2 m cable.\u003c\/p\u003e\n\u003cp\u003eA spring-loaded mounting bracket with a built-in level indicator makes it straightforward to install the sensor level and pointed skyward. Reverse power protection and built-in TVS\/ESD protection are included.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividually calibrated:\u003c\/strong\u003e Each sensor calibrated at the factory for high accuracy and consistency across units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible output interface:\u003c\/strong\u003e RS485\/Modbus-RTU, RS485 + analog voltage, RS485 + analog current, analog voltage 0–2V, analog current 4–20mA, or SDI-12 (see ordering code)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide range of illuminance options:\u003c\/strong\u003e Six fixed full-scale ranges from 2000 lux up to 200000 lux, plus a customizable range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevel indicator and spring-loaded mount:\u003c\/strong\u003e Simplifies accurate, level installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeatherproof:\u003c\/strong\u003e IP66 rated for direct outdoor use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating range:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse power protection:\u003c\/strong\u003e Built-in TVS\/ESD protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS485 Modbus-RTU protocol:\u003c\/strong\u003e Standard Modbus register map; configurable slave address, baud rate, parity, and stop bits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration utility:\u003c\/strong\u003e SensorOneSet software included for sensor configuration via RS485\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable length:\u003c\/strong\u003e 2 m standard; custom lengths available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eScientific research\u003c\/li\u003e\n\u003cli\u003eSolar power monitoring\u003c\/li\u003e\n\u003cli\u003eGreenhouse and horticultural lighting management\u003c\/li\u003e\n\u003cli\u003eWeather stations\u003c\/li\u003e\n\u003cli\u003eLoRaWAN IoT deployments via the Catena-5310 or compatible RS485\/Modbus-RTU gateway\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAccuracy is ±5% for the 2000–100000 lux ranges and ±6% for the 200000 lux range.\u003c\/li\u003e\n\u003cli\u003eDirectional (cosine) error increases sharply off-axis: ±3% at 30° incidence, ±6% at 60°, and ±24% at 80° - mount the sensor level for best accuracy.\u003c\/li\u003e\n\u003cli\u003e4–20mA output requires 12–30V DC supply; the 3.9–30V DC and 2.7–16V DC supply options are not compatible with 4–20mA output.\u003c\/li\u003e\n\u003cli\u003eMounts via three screw holes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eIlluminance\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eRange (selectable)\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e0–2000, 0–5000, 0–10000, 0–20000, 0–100000, or 0–200000 lux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e1 lux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e±5% (2000–100000 lux ranges); ±6% (200000 lux range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eDirectional (cosine) error\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e±3% at 30°; ±6% at 60°; ±24% at 80°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eOutput Interface (selectable)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eRS485 Modbus-RTU\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003eDefault for ALS20-FAC002\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eAnalog voltage\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e0–2V (output resistance ~0 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eAnalog current\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e4–20mA (load resistor \u0026lt;500 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eSDI-12\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003eAvailable as ordering option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003ePower Supply (per output type)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eRS485 \/ Analog voltage\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e3.9–30V DC (7mA @ 24V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eAnalog current 4–20mA\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e12–30V DC (30mA @ 24V DC, with 20mA output signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eLow-power option\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e2.7–16V DC (not applicable for 4–20mA output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eMechanical\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e75 × 55 × 58 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eIP rating\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e3 × screw hole mounting, spring-loaded with level indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eCable length\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e2 m standard; custom length available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eEnvironmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 26.6455%;\"\u003eOperating temperature\u003c\/td\u003e\n\u003ctd style=\"width: 68.7527%;\"\u003e−40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eOrdering Code Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode 1: Product Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eALS20\u003c\/td\u003e\n\u003ctd\u003eALS20 ambient light sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode 2: Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA\u003cbr\u003eB\u003cbr\u003eC\u003cbr\u003eD\u003cbr\u003eE\u003cbr\u003eF\u003cbr\u003eG\u003c\/td\u003e\n\u003ctd\u003e0–2000 lux\u003cbr\u003e0–5000 lux\u003cbr\u003e0–10000 lux\u003cbr\u003e0–20000 lux\u003cbr\u003e0–100000 lux\u003cbr\u003e0–200000 lux\u003cbr\u003eCustomize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode 3: Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA\u003cbr\u003eB\u003c\/td\u003e\n\u003ctd\u003e3.9–30V DC\u003cbr\u003e2.7–16V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode 4: Output Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA\u003cbr\u003eB\u003cbr\u003eC\u003cbr\u003eD\u003cbr\u003eE\u003cbr\u003eF\u003cbr\u003eG\u003c\/td\u003e\n\u003ctd\u003eAnalog Voltage 0–2V\u003cbr\u003eAnalog Current 4–20mA\u003cbr\u003eRS485, Modbus-RTU\u003cbr\u003eRS485, Modbus-RTU + Analog Voltage 0–2V\u003cbr\u003eRS485, Modbus-RTU + Analog Current 4–20mA\u003cbr\u003eSDI-12\u003cbr\u003eCustomize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCode 5: Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e002\u003cbr\u003eXXX\u003c\/td\u003e\n\u003ctd\u003e2 meters\u003cbr\u003eCustom (XXX = length in meters, e.g. 005 = 5 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eDefault Variant: ALS20-FAC002\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIlluminance range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–200000 lux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.9–30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485, Modbus-RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCustom variants (illuminance range, power supply, output interface, cable length) are available - \u003ca href=\"https:\/\/mcci.com\/contact\/\" rel=\"noopener\" target=\"_blank\"\u003econtact us\u003c\/a\u003e to discuss your requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Documents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.infwin.com\/wp-content\/uploads\/UM-ALS20-Ambient-Light-Sensor.pdf\" title=\"ALS20 User Manual\" rel=\"noopener\" target=\"_blank\"\u003eUser Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.infwin.com\/wp-content\/uploads\/SensorOneSet-EN.zip\" title=\"SensorOneSet Configuration Utility\" rel=\"noopener\" target=\"_blank\"\u003eSensorOneSet Configuration Utility\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eModbus is a registered trademark of Schneider Electric. SDI-12 is a trademark of the SDI-12 Support Group. INFWIN is a registered trademark of Dalian Endeavour Technology Co., Ltd. MCCI and MCCI Catena are registered trademarks of MCCI Corporation. All other trademarks are the property of their respective owners.\u003c\/h5\u003e","brand":"INFWIN","offers":[{"title":"ALS20-FAC002","offer_id":54153329377598,"sku":"123004242","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/5104\/files\/ALS20-1.jpg?v=1787229428","url":"https:\/\/store.mcci.com\/products\/infwin-als20","provider":"MCCI","version":"1.0","type":"link"}