Analog Soil Moisture Sensor, 0-100% RH

$56.34

Economical analog soil moisture sensor for sale, measures 0-100% RH with 0.1% resolution and accuracy of ±2% (0-50% RH) or ±3% (50-100% RH). The soil humidity sensor includes a temperature compensation sensor (0-50°C) and is IP68 rated for waterproofing. Made from anti-corrosion alloy and sealed with black epoxy resin, it can be fully buried or inserted in soil. Suitable for soil probe insertion or immersion in nutrient solutions.

SKU: ATO-SOIL-3000TR

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Overview

The analog soil moisture sensor measures 0-100% RH with 0.1% resolution and ±2-3% accuracy. It features temperature compensation (0-50°C), IP68 waterproofing, and is built with anti-corrosion alloy and epoxy resin sealing. Designed for full burial or insertion in soil, it’s ideal for soil or nutrient solution monitoring.

Specification

Model	ATO-VMS-3000-TR
Soil Moisture Range	0-100% RH, Resolution: 0.1% RH, Accuracy: 0-50% ±2% RH @ standard (30% RH, 25°C); 50-100% ±3% RH @ standard (60% RH, 25°C)
Electrical Conductivity Temperature Compensation	Built-in temperature compensation sensor, compensation range: 0-50°C
Protection Level	IP68 waterproof for long-term immersion
Probe Material	Anti-corrosion special alloy
Sealing Material	Black epoxy resin
Installation Method	Fully buried or probe inserted in measured medium
Default Cable Length	2 meters
Dimensions	4515123 mm
Electrode Length	70 mm
Measurement Principle	Soil moisture TDR method
Measurement Method	Soil probe insertion or immersion in nutrient solution/water
Operating Temperature	-40°C~60°C
Kernel chip temperature	85°C

Features

High Precision Measurement: Provides accurate and reliable soil moisture readings.
Fast Response: Quickly detects changes in soil moisture levels for timely data.
Corrosion Resistance: Made with anti-corrosive materials, ideal for long-term soil monitoring.
Long-Lasting Electrolyte Durability: Designed to withstand prolonged use in soil without degradation.
Stable Output: Ensures consistent data output for reliable monitoring.
Low Power Imported Chip: Features a high-quality, low-power chip for efficient performance.
IP68 Waterproof and Dustproof: Suitable for harsh outdoor environments, ensuring durability.
Epoxy Resin Vacuum Seal: Sealed with epoxy resin for enhanced protection against moisture and debris.

Size

Application

Tips: How does the analog soil moisture sensor use the TDR method for measuring soil moisture?

The analog soil moisture humidity utilizes Time-Domain Reflectometry (TDR) technology to measure soil moisture content. TDR works by sending an electrical pulse along a probe inserted into the soil. As the pulse travels, it interacts with the soil moisture, causing changes in the signal's reflection time. The sensor calculates moisture content based on these reflections, as the presence of water in soil affects the dielectric properties and thus the speed of the pulse. This method provides high accuracy, is less affected by soil salinity, and is reliable for various soil types, making TDR an industry-preferred choice for precise soil moisture monitoring.

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