The soil nitrogen, phosphorus and potassium storage device is a device that supports writing nitrogen, phosphorus and potassium parameters through 485 commands to achieve the purpose of displaying data to on-site users, thereby facilitating customers’ systematic assessment of soil conditions.
The soil moisture sensor is a high-precision, high-sensitivity soil moisture sensor based on the frequency domain reflection principle and manufactured using high-frequency electronic technology. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils. The soil moisture sensor can measure the volume percentage of soil moisture and is currently the most popular soil moisture measurement method in the world.
The soil temperature and humidity sensor integrates soil moisture and soil temperature sensors. It has the advantages of being easy to carry, sealed, and high-precision. It is an ideal choice for measuring soil moisture and soil temperature. The soil moisture part is a high-precision, high-sensitivity sensor based on the frequency domain reflection principle and manufactured using high-frequency electronic technology. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content (volumetric moisture content) of various soils. It is currently the most popular soil moisture measurement method in the world. The sensor part consists of a power module, a temperature sensor module, a transmitter module, a temperature compensation module, and a data processing module, and has a high adaptability to the use environment.
The soil temperature sensor consists of a power module, a temperature sensor module, a transmitter module, a temperature compensation module and a data processing module, which completely solves the measurement error introduced by the platinum resistor due to its own characteristics. The sensor has a zero drift circuit and a temperature compensation circuit, which has a high adaptability to the use environment. The soil moisture part is a high-precision and high-sensitivity sensor for measuring soil moisture based on the frequency domain reflection principle and manufactured using high-frequency electronic technology. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils, and can measure the volume percentage of soil moisture. It is currently the most popular soil moisture measurement method in the world.
The soil conductivity sensor uses a stainless steel probe to convert the soil conductivity through the sensor into an analog or digital signal. During the development process, it absorbs the advanced technology of similar foreign instruments, and combines the actual situation and use requirements of my country to convert the conductivity value into a corresponding analog or digital signal. After burying this conductivity sensor in the soil, the conductivity of the soluble salt ions in the soil solution is directly measured. Stainless steel electrodes have the characteristics of stable performance and high sensitivity, and are suitable for a wide measurement range, especially for high conductivity, so they are very suitable for the determination of soil conductivity.
The five-pin soil four-parameter sensor has stable performance, high sensitivity, fast response, stable output, and is suitable for all kinds of soil. It is an important tool for observing and studying the occurrence, evolution, improvement, and water-salt dynamics of saline soil. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils. It can measure the volume percentage of soil moisture, which is a soil moisture measurement method that meets the current international standards. It can be buried in the soil for a long time, is resistant to long-term electrolysis, corrosion, vacuum potting, and is completely waterproof.
The five-pin soil sensor has stable performance, high sensitivity, fast response, stable output, and is suitable for all kinds of soil. It is an important tool for observing and studying the occurrence, evolution, improvement, and water-salt dynamics of saline soil. By measuring the dielectric constant of the soil, it can directly and stably reflect the true moisture content of various soils. It can measure the volume percentage of soil moisture, which is a soil moisture measurement method that meets the current international standards. It can be buried in the soil for a long time, is resistant to long-term electrolysis, corrosion, vacuum potting, and is completely waterproof.
The soil rapid tester is a rapid tester developed by our company for rapid detection of soil temperature, moisture content, EC conductivity, PH and other parameters. The rapid tester adopts a hand-held design, which is convenient for users to carry. The probe adopts a needle-shaped probe design and is made of stainless steel, which has good corrosion resistance and toughness. The rapid tester uses FDR technology to measure soil moisture and AC detection technology to measure EC conductivity. The product has high measurement accuracy and fast response speed. The soil fertility is indirectly reflected by measuring the conductivity content in the soil, so as to infer the trend of nitrogen, phosphorus and potassium content. The low-power LCD screen is used to display the measured values, which is concise and clear. The product is powered by three ordinary ordinary No. 5 batteries, which are easy to replace. The overall low-power design of the product can be used continuously for up to two years with three No. 5 batteries.
The photosynthetically active radiation sensor adopts the principle of photoelectric induction and can be used to measure photosynthetically active radiation in the spectral range of 400~700nm. The sensor adopts high-precision photoelectric sensing elements, wide spectrum absorption, high absorption in the range of 400-700nm, and good stability; when there is light, it generates a voltage signal proportional to the intensity of the incident radiation, and its sensitivity is proportional to the cosine of the direct angle of the incident light. The dust cover adopts special treatment to reduce dust adsorption, effectively prevent environmental factors from interfering with internal components, and can measure photosynthetically active radiation more accurately.
The product adopts the standard Modbus-RTU 485 communication protocol, which can directly read the current photosynthetically active radiation value, and the wiring method is simple. The appearance is small and beautiful, and it occupies a small installation space. The product is widely used in research in meteorology, agriculture, air pollution and other fields.
The temperature and humidity sensor uses an integrated temperature and humidity probe as a temperature measuring element to collect temperature and humidity signals. After circuit processing, it is directly output through the 485 interface of the main control chip. The probe type temperature and humidity sensor uses an imported digital temperature and humidity data acquisition module, which has been accurately calibrated at the factory. The relative humidity and temperature sensors have digital outputs and can be fully converted. They are outstanding in terms of measurement accuracy, linearity, repeatability, conversion, consistency, etc. It is suitable for environmental equipment matching, instrument equipment integration, and other general environmental tests.
This instrument is a primary instrument for measuring precipitation, and its performance meets the requirements of the national standard GB/T 21978.2-2014 “Precipitation Observation Requirements”. This instrument consists of a housing, a filter, a rain collector, a funnel, a tipping bucket, a wiring terminal, a leg bracket, a reed switch, a control box, a rain gauge base, etc. Among them, the tipping bucket shaft, a round water bubble, a reed switch bracket and a signal output terminal are installed on the rain gauge base. The tipping bucket, the core component of this instrument, adopts a three-dimensional streamlined design, which makes the tipping bucket turn over water more smoothly, and has the function of self-cleaning dust and easy cleaning. The pulse to 485 signal output can directly read the rainfall without secondary calculation, which is simple and convenient.
XDB1002-11 is an industrial-grade general-purpose particle concentration transmitter. It adopts the principle of laser scattering measurement and uses a unique dual-frequency data acquisition technology to screen and obtain the number of particles of equivalent particle size per unit volume. It also uses a scientific and unique algorithm to calculate the mass concentration of particles of equivalent particle size per unit volume, and outputs data via the 485 interface and ModBus-RTU protocol. It can be used in outdoor weather stations, dust monitoring, libraries, archives, industrial plants and other places that require PM2.5 or PM10 concentration monitoring.
The rain and snow sensor uses the conductive properties of rainwater and adopts advanced detection circuits. The surface grid electrode senses the external rain and snow conditions and detects whether there is rain and snow. The internal imported intelligent microprocessor is sensitive and has high measurement accuracy. The built-in automatic heating device can eliminate the interference of rain and snow adhesion to ensure the normal operation of the system. After the product upgrade, the output signals are diverse. The wired output includes: analog signal (voltage, current), digital signal RS485, relay switch (default normally open), NPN; wireless output includes: 4G.
This product is a wall-mounted high-protection grade housing with a protection grade of IP65. It is rainproof and snowproof and has good air permeability. It has a display function and displays the current temperature and humidity in real time. The circuit uses an industrial-grade microprocessor chip imported from the United States and an imported high-precision temperature sensor to ensure the product’s excellent reliability, high precision and interchangeability. This product uses a particle sintered probe sheath, and the probe is directly connected to the shell, which has a beautiful appearance. The output signal type is divided into RS485, the maximum communication distance is 2000 meters, the standard modbus protocol, and supports secondary development.
The water sensor is widely used in communication base stations, hotels, restaurants, computer rooms, libraries, archives, warehouses, equipment, cabinets and other places that require water accumulation alarm. The unique AC detection technology effectively avoids the problem of decreased sensitivity of water leakage caused by oxidation of the immersion electrode due to long-term operation. The device can choose 485 output and switch dry contact output. The 485 output is a standard ModBus-RTU with a maximum communication distance of 2000 meters. It can be directly connected to the PLC, industrial control instrument, configuration screen or configuration software on site. The external leakage electrode can reach up to 2600 meters, and a leakage rope up to 2600 meters can also be connected. The device adopts a waterproof shell with a high protection level and can be used in harsh occasions such as humidity and high dust for a long time.
The three-cup wind speed sensor is a wind speed measuring instrument independently developed and produced by our company. The sensor shell is made of polycarbonate composite material, which has good anti-corrosion and anti-erosion characteristics. It can ensure that the sensor will not rust for a long time. At the same time, it is combined with the internal smooth bearing system to ensure the accuracy of information collection. The internal integrated photoelectric conversion mechanism, industrial microcomputer processor, standard current generator, current driver, etc. The circuit PCB uses military-grade A-grade materials to ensure the stability of measurement parameters and electrical performance; the electronic components are all imported industrial-grade chips, which makes the overall anti-electromagnetic interference ability extremely reliable, and can ensure that the host can work normally in the range of -20℃～70℃ and humidity 5%～95%RH (no condensation). After the product upgrade, the output signals are diverse, and the wired output includes: analog signal (voltage, current), digital signal RS485; wireless output includes: LoRa, GPRS, 4G. Except for LoRa, other forms of wireless output can be connected to the cloud platform, which can realize the monitoring and management of smart terminal data.
