--- product_id: 4985833 title: "Extech 407026 Heavy Duty Light Meter with PC Interface - Digital Lux and Foot-Candle Meter for Industrial Lighting Audits, OSHA Compliance & Greenhouses - 4 Light Settings & RS-232 Data Port" brand: "extech" price: "₩685357" currency: KRW in_stock: true reviews_count: 6 category: "Extech" url: https://www.desertcart.kr/products/4985833-extech-407026-heavy-duty-light-meter-with-pc-interface-digital store_origin: KR region: South Korea --- # Humidity 10-99% RH ±4% RH & ±1°C accuracy Wide temp range 14-140°F Extech 407026 Heavy Duty Light Meter with PC Interface - Digital Lux and Foot-Candle Meter for Industrial Lighting Audits, OSHA Compliance & Greenhouses - 4 Light Settings & RS-232 Data Port **Brand:** extech **Price:** ₩685357 **Availability:** ✅ In Stock ## Summary > 📈 Elevate your environment monitoring game with precision and power! ## Quick Answers - **What is this?** Extech 407026 Heavy Duty Light Meter with PC Interface - Digital Lux and Foot-Candle Meter for Industrial Lighting Audits, OSHA Compliance & Greenhouses - 4 Light Settings & RS-232 Data Port by extech - **How much does it cost?** ₩685357 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/4985833-extech-407026-heavy-duty-light-meter-with-pc-interface-digital) ## Best For - extech enthusiasts ## Why This Product - Trusted extech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready Out of the Box:** Comes complete with 1 AAA battery and optional calibration salt bottles to maintain peak performance. - • **User-Friendly Design:** Includes built-in stand, mounting bracket, and sensor for hands-free, hassle-free operation. - • **Data-Driven Decisions:** PC interface enables effortless data transfer and analysis, empowering smarter workflow management. - • **Precision You Can Trust:** Accurate humidity and temperature readings with ±4% RH and ±1°C precision keep your environment perfectly monitored. - • **Versatile Environmental Range:** Operates seamlessly from 14°F to 140°F and 10% to 99% relative humidity—ready for any setting. ## Overview The Extech407026 Heavy Duty Light Meter combines robust humidity and temperature sensing with ±4% RH and ±1°C accuracy, covering a broad environmental range (14-140°F, 10-99% RH). Featuring a PC interface for seamless data management, it includes a built-in stand, mounting bracket, sensor, and battery—ideal for professionals demanding reliable, precise light and environmental measurements. ## Description The Extech 407026 is a professional-grade troubleshooting powerhouse designed for lighting engineers, facility managers, and safety officers who demand absolute accuracy. This heavy-duty light meter provides high-resolution measurements in both Lux and Foot-candles, allowing you to verify OSHA lighting standards and optimize productivity in industrial environments. Featuring a unique four-setting selector, it accurately accounts for Tungsten, Fluorescent, Sodium, and Mercury light sources, ensuring your readings are calibrated for the specific spectral output of your environment. Beyond simple measurement, the 407026 offers a built-in RS-232 PC interface, transforming it into a sophisticated data analysis tool. When paired with optional software, you can log readings over time to document environmental changes or audit energy efficiency. The large 1.4-inch LCD includes a 36-segment analog bar graph for visual tracking of light fluctuations. With its rugged protective holster and integrated stand, this meter is built for long-term field use. Whether you are maximizing greenhouse yields or certifying office safety, the Extech 407026 delivers the precision data you need to light the way forward. Review: Good quality - Good product Review: Lo uso para realizar determinaciones de iluminación en empresas ## Features - PRECISION LIGHT MEASUREMENT: Capture accurate readings in both Lux and Foot-candles across four different light types, including Sodium and Mercury. This versatile tool is your secret weapon for conducting professional lighting audits in any facility. - DATA LOGGING CAPABILITY: Streamline your workflow by connecting directly to your PC via the built-in RS-232 interface. Stop scribbling notes and start analyzing light levels over time with professional software to identify trends and efficiency gaps. - RUGGED INDUSTRIAL DESIGN: Built to survive the toughest job sites, this heavy-duty meter features a protective holster and a large, easy-to-read LCD. Whether you are in a dark warehouse or a bright greenhouse, your data stays clear and protected. - ADVANCED MEMORY FUNCTIONS: Master your environment with Min, Max, and Average recall functions plus a handy data hold button. The relative mode feature lets you track changes from a reference point, making it perfect for complex lighting adjustments. - ACCURATE COLOR CORRECTION: Trust your data with a precision photo diode and color correction filter that mimics the human eye's response. It is the gold standard for verifying OSHA compliance and ensuring optimal growth in commercial nurseries. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000R847NQ | | Batteries | 2 Lithium Ion batteries required. | | Best Sellers Rank | #18 in Photographic Light Meters | | Date First Available | May 24, 2007 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.704 ounces | | Item model number | 407026 | | Manufacturer | Extech | | National Stock Number | 6695-01-606-0366 | | Product Dimensions | 2.9 x 1.3 x 7 inches | ## Images ![Extech 407026 Heavy Duty Light Meter with PC Interface - Digital Lux and Foot-Candle Meter for Industrial Lighting Audits, OSHA Compliance & Greenhouses - 4 Light Settings & RS-232 Data Port - Image 1](https://m.media-amazon.com/images/I/51b1641-KyL.jpg) ![Extech 407026 Heavy Duty Light Meter with PC Interface - Digital Lux and Foot-Candle Meter for Industrial Lighting Audits, OSHA Compliance & Greenhouses - 4 Light Settings & RS-232 Data Port - Image 2](https://m.media-amazon.com/images/I/81IgkxDTmeL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by F***O on November 28, 2018* Good product ### ⭐⭐⭐⭐⭐ Review *by S***T on March 30, 2022* Lo uso para realizar determinaciones de iluminación en empresas ### ⭐⭐⭐⭐⭐ Review *by C***A on January 31, 2019* El producto entregado cumplió con mis expectativas y lo emplee para realizar unas pruebas de calibración ## Frequently Bought Together - Extech Instruments Extech 407026 Light Meter - Digital Light Meter Lux Meter Measurement Range Detachable Sensor 0 to 200,000 Lux Min/Max/Avg Functions (with Data Record Function) + CD Software w/USB Power Cable - Extech AN100 CFM/CMM Mini Thermo-Anemometer --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/4985833-extech-407026-heavy-duty-light-meter-with-pc-interface-digital](https://www.desertcart.kr/products/4985833-extech-407026-heavy-duty-light-meter-with-pc-interface-digital) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-04-30*