--- product_id: 3537656 title: "Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand" brand: "extech instruments" price: "454.77 DT" currency: TND in_stock: true category: "Extech" url: https://www.desertcart.tn/products/3537656-extech-445814-humidity-alert-hygro-thermometer-with-dew-point-programmable store_origin: TN region: Tunisia --- # Dual temp & humidity display Programmable audible/visual alarms Accurate dew point calculation Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand **Brand:** extech instruments **Price:** 454.77 DT **Availability:** ✅ In Stock ## Summary > 🌿 Master your microclimate with precision and style! ## Quick Answers - **What is this?** Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand by extech instruments - **How much does it cost?** 454.77 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/3537656-extech-445814-humidity-alert-hygro-thermometer-with-dew-point-programmable) ## Best For - extech instruments enthusiasts ## Why This Product - Trusted extech instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Climate Snapshot:** Dual LCD shows temperature and humidity simultaneously for quick, comprehensive monitoring. - • **Expert Dew Point Insights:** Monitor dew point to predict condensation and protect sensitive environments with precision. - • **Flexible Placement Anywhere:** Use the built-in tilt stand or wall mount to fit seamlessly into your workspace or home. - • **Stay Ahead of Mold & Damage:** Customizable alarms alert you instantly when humidity crosses your set thresholds—never miss a critical change. - • **Track Environmental Extremes:** Min/Max memory logs highest and lowest readings so you can analyze trends over time. ## Overview The Extech 445814 is a professional-grade hygro-thermometer featuring programmable visual and audible alarms, dual temperature and humidity display, and advanced dew point calculation. Designed for precise environmental control, it helps prevent mold, rust, and moisture damage in homes, labs, and industrial spaces. With Min/Max memory and versatile mounting options, it delivers reliable, real-time climate insights wherever you need them. ## Description The Extech 445814 is a professional-grade environmental monitor designed to provide total control over your indoor climate. Perfect for homeowners, lab technicians, and facility managers, this Humidity Alert Hygro-Thermometer goes beyond basic sensors by offering a specialized Dew Point calculation. By understanding the relationship between temperature and moisture, you can proactively manage environments to prevent wood rot, rust, or the dangerous onset of mold. The standout feature of the 445814 is its fully programmable alarm system. When humidity levels exceed or drop below your designated set points, the device triggers a loud audible buzzer and a flashing visual LED, ensuring you never miss a critical change in air quality. The large, high-contrast display shows temperature in either Celsius or Fahrenheit, while the Min/Max function keeps a historical record of environmental extremes. Built for long-term reliability and housed in a durable casing, the Extech 445814 is the ultimate diagnostic tool for maintaining optimal conditions in wine cellars, server rooms, greenhouses, and industrial storage facilities. ## Features - ADVANCED HUMIDITY ALERT SYSTEM: Take the guesswork out of climate control with programmable visual and audible alarms. Set your custom high or low humidity limits and receive instant alerts to prevent mold growth or protect sensitive equipment. - COMPREHENSIVE DEW POINT CALCULATION: Gain a deeper understanding of your environment by monitoring dew point alongside temperature and humidity. This essential metric helps you predict condensation and manage moisture levels with expert precision. - CRYSTAL CLEAR DUAL DISPLAY: View all critical data at once on the large, easy-to-read LCD screen. The simultaneous display of temperature and humidity ensures you have a complete snapshot of your indoor climate without ever pressing a button. - INTELLIGENT DATA TRACKING: Capture and recall the highest and lowest readings with the integrated Min/Max memory function. This allows you to monitor environmental fluctuations over time and identify problematic trends in your home or workspace. - VERSATILE MOUNTING OPTIONS: Adapt the monitor to any space using the built-in tilt stand for desktop use or the integrated wall mount. Whether in a laboratory, greenhouse, or basement, this rugged device provides reliable monitoring where it matters. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000BF0ZTU | | Battery Description | Battery operated (battery type and number not specified) | | Best Sellers Rank | #179,520 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Humidifier Humidity Meters #149 in Humidifier Accessories | | Brand Name | Extech Instruments | | Color | Green | | Customer Reviews | 4.1 4.1 out of 5 stars (61) | | Global Trade Identification Number | 00793950458143 | | Included Components | Meter, Probe, Batt | | Item Dimensions W x H | 5.5"W x 1"H | | Item Weight | 6.08 ounces | | LowerTemperature Range | 5 °C | | Manufacturer | Extech | | Model | 445814 | | Mounting Type | Wall Mount | | Operating Humidity | 10-99% | | Part Number | 445814 | | Temperature Accuracy | ±0.4°C from -10 to 50°C and ±0.6°C from 50 to 80°C | | Temperature Reading Accuracy | plus_minus_0_point_5_degrees_celsius | | UPC | 785533667073 793950458143 | | Upper Temperature Range | 80 °C | | Voltage | 1.5 volts_of_direct_current | | Warranty Description | 1 Year | ## Product Details - **Battery Description:** Battery operated (battery type and number not specified) - **Brand:** Extech Instruments - **Color:** Green - **Item Weight:** 6.08 ounces - **Product Dimensions:** 5.5"W x 1"H ## Images ![Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand - Image 1](https://m.media-amazon.com/images/I/61sEM1xZ7qL.jpg) ![Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand - Image 2](https://m.media-amazon.com/images/I/91sfMt6JSFL.jpg) ![Extech 445814 Humidity Alert Hygro-Thermometer with Dew Point | Programmable visual/audible alarms, dew point, dual display, MIN/MAX, wall mount or desktop stand - Image 3](https://m.media-amazon.com/images/I/516yUs60JkL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - EXTECH Instruments Digit Thermometer - Extech 445713 Big Digit Indoor/Outdoor Hygro-Thermometer - Extech RHM15 Mini Temp and RH Indicator --- ## 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.tn/products/3537656-extech-445814-humidity-alert-hygro-thermometer-with-dew-point-programmable](https://www.desertcart.tn/products/3537656-extech-445814-humidity-alert-hygro-thermometer-with-dew-point-programmable) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-26*