--- product_id: 2477295 title: "6440 Soil Moisture Sensor for Weather Station" brand: "davis instruments" price: "NT$6197" currency: TWD in_stock: true reviews_count: 7 category: "Davis Instruments" url: https://www.desertcart.tw/products/2477295-6440-soil-moisture-sensor-for-weather-station store_origin: TW region: Taiwan --- # 3-pin sensor connectivity Lightweight 3.52 oz design Up to 150°F tolerance 6440 Soil Moisture Sensor for Weather Station **Brand:** davis instruments **Price:** NT$6197 **Availability:** ✅ In Stock ## Summary > 🌱 Stay ahead of the curve—know your soil, grow your success! ## Quick Answers - **What is this?** 6440 Soil Moisture Sensor for Weather Station by davis instruments - **How much does it cost?** NT$6197 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/2477295-6440-soil-moisture-sensor-for-weather-station) ## Best For - davis instruments enthusiasts ## Why This Product - Trusted davis instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy:** From Davis Instruments, a brand synonymous with durability and accuracy since 2004. - • **Built to Endure:** Operates flawlessly up to 150°F, perfect for diverse climates and demanding environments. - • **Seamless Integration:** 3-pin sensor connection ensures easy compatibility with most weather stations and monitoring systems. - • **Lightweight & Compact:** At just 3.52 ounces and slim profile, it fits snugly in your soil without disruption. - • **Precision-Engineered Sensing:** Pre-calibrated resistance-based sensor for reliable soil moisture readings every time. ## Overview The Davis Soil Moisture Sensor is a pre-calibrated, resistance-based device designed for precise soil moisture monitoring. Lightweight and compact, it connects via a 3-pin interface and withstands temperatures up to 150°F. Ideal for professional-grade weather stations and gardening enthusiasts seeking reliable, real-time soil data. ## Description Buy Soil Moisture Sensor: Weather Stations - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Davis Soil Moisture Sensor Part #6440 - We have own Davis Weather Equipment for years and have never had a bad product and their support is slow but good. The Davis Soil Moisture Sensor works great but you have to soak them overnight in water "First" and make sure you put them in the the ground with a tight fit. The cable could be longer but you can extend them. Review: A used and clearly broken sensor was shipped - I am a very long time Davis Customer and am incredibly disappointed in Davis for shipping a clearly used and broken sensor. It arrived in a dirty ripped bag with the wires in a ball and a sensor that clearly had been in the ground already not to mention the wires were ripped off the top of the sensor. I own a ton of Davis items and never have I received such a blatantly defective part. Frankly in my mind there is no way whoever packaged this didn't know it was defective. Yes they accepted the return but now I am without a sensor for even longer and frankly haven't decided if I want to spend any more money with this company. ## Features - Great Product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000WBN7C0 | | Are Batteries Included | No | | Best Sellers Rank | #702,317 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #874 in Weather Stations | | Brand | Davis Instruments | | Color | green | | Connectivity Technology | 3-pin sensor connection | | Date First Available | July 21, 2004 | | Department | Unisex-Adult | | Display Type | no display | | Global Trade Identification Number | 00011698003303 | | Included Components | Great Product | | Is Discontinued By Manufacturer | No | | Item Weight | 3.52 ounces | | Item model number | AO-32045-07 | | Manufacturer | Davis Instruments | | Material | Plastic | | Power Source | [Un] | | Product Dimensions | 5.51 x 4.72 x 0.79 inches | | Sensor Technology | Resistance-based | | Shape | As Shown | | Special Feature | Pre-Calibrated | | Specific Uses For Product | SportingGoods | | Style | Modern | | UPC | 547926025583 030582157526 011698003303 | | Upper Temperature Rating | 150 Degrees Fahrenheit | ## Product Details - **Are Batteries Included:** No - **Brand:** Davis Instruments - **Color:** green - **Connectivity Technology:** 3-pin sensor connection - **Included Components:** Great Product - **Material:** Plastic - **Power Source:** [Un] - **Special Feature:** Pre-Calibrated - **Specific Uses For Product:** SportingGoods - **Style:** Modern ## Images ![6440 Soil Moisture Sensor for Weather Station - Image 1](https://m.media-amazon.com/images/I/519oh3VwfEL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Davis Soil Moisture Sensor Part #6440 *by D***E on June 27, 2012* We have own Davis Weather Equipment for years and have never had a bad product and their support is slow but good. The Davis Soil Moisture Sensor works great but you have to soak them overnight in water "First" and make sure you put them in the the ground with a tight fit. The cable could be longer but you can extend them. ### ⭐ A used and clearly broken sensor was shipped *by D***H on April 20, 2025* I am a very long time Davis Customer and am incredibly disappointed in Davis for shipping a clearly used and broken sensor. It arrived in a dirty ripped bag with the wires in a ball and a sensor that clearly had been in the ground already not to mention the wires were ripped off the top of the sensor. I own a ton of Davis items and never have I received such a blatantly defective part. Frankly in my mind there is no way whoever packaged this didn't know it was defective. Yes they accepted the return but now I am without a sensor for even longer and frankly haven't decided if I want to spend any more money with this company. ### ⭐⭐⭐⭐⭐ Davis Soil Moisture Sensor *by J***S on July 24, 2012* This was delivered quickly, well packed. It was easy to install as part of my Davis Vantage Pro II weather station. It responds quickly to moisture variations and can be used at some distance from the transmitter if necessary. I have it for homeowner use, not commercial. I'm glad I got it. ## Frequently Bought Together - Soil Moisture Sensor - Davis Instruments 6345 Leaf/Soil Moisture/Temp Monitoring Station; w/o Sensors - Davis Stainless Steel Temperature Probe w/2-Wire Termination --- ## 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.tw/products/2477295-6440-soil-moisture-sensor-for-weather-station](https://www.desertcart.tw/products/2477295-6440-soil-moisture-sensor-for-weather-station) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-24*