Soil compaction meter

Product Introduction

This device is a soil moisture monitoring system consisting of a handheld data acquisition device and a compaction sensor. At the same time, it has the advantages of easy operation, convenient portability, and fast and reliable detection, making it unique in the field. The handheld data acquisition device can be configured with GPS, GPRS data upload and other functions according to user needs at the factory. The data in the device can also be connected to the computer through a USB data cable, and historical data can be exported to the computer for data analysis.

Soil compaction, also known as soil hardness, soil firmness, or soil penetration resistance. It is generally expressed in Pa as the resistance when a metal plunger or probe is pressed into the soil. Soil compaction refers to the ability of soil to resist external forces of compaction and fragmentation, and is one aspect of soil properties. In addition, soil physical properties include soil texture, structure, porosity, etc., which involve soil firmness, plasticity, permeability, drainage, water storage capacity, and difficulty of root penetration.

Soil compaction is composed of soil shear resistance, compression force, and friction force. It is a composite indicator of soil strength. There are two methods for measuring dynamic and static loads when metal plungers or probes are pressed into soil. The measurement values of different methods are different, but there is a connection. The shapes of plungers include cones, flat heads, balls, and wedges, which also affect the measured values. The measurement values for the same method are mainly determined by soil texture, bulk density, and moisture content. The influence of water content is significant. Soil compaction can predict soil carrying capacity, tillage ability, and resistance to root extension. The size of soil compaction can affect the perforation and growth of crop roots, and is an important soil physical property indicator used to evaluate soil tillage. Tight soil can prevent water infiltration, reduce fertilizer utilization, affect plant root growth, and lead to reduced crop yields.

technical parameter

Display screen: 2.4-inch color TFT LCD

Interface: Power connector: 5.5 * 2.5/2.1; USB interface: connect to a computer; Aviation plug: RS485

Storage: Large capacity FLASH memory; Can store 100000 pieces of data; Automatic storage: adjustable from 1S to 180S

Positioning: GPS

GSM upload: GPRS/2G/4G

Battery: 12V 2500mah lithium battery; Working hours: 10 hours; Charging time: 3H

Export: Connect a USB cable to the upper computer and export an Excel spreadsheet

Unit: kg/cm?; LB; N/cm?; Kpa

Soil compaction sensor:

Range: 0-100kg

Sensitivity: 2.0 ± 0.1mv/V

Comprehensive accuracy: 0.1% F? S

Repeatability: ± 0.05% F? S

Working temperature: -20~+70 ℃

Probe material: stainless steel

Input impedance: 735 ± 35 Ω

Output impedance: 700 ± 3 Ω

Non linearity: ± 0.05% F? S

Sealing level: IP66

Excitation voltage: 5-12 VDC

Cable: φ 3 x 2000mm