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It has a special capacitive sensor designed by us, efficient and of good precision, waterproof, resistant to oxidation and not subject to variations due to salinity and soil composition: better than this there are only the "extraction pressure" sensors (which we do not propose because they are not durable and also the sensor alone costs hundreds of euros). As a communication protocol Modbus TCP is selected as the Ethernet due to its versatility, the continuing growth and various protocol converters, has now become the standard in industrial solutions.Built a separate communication network, based on radio Ethernet (WLAN) 802.11a, which uses a frequency of 5 GHz. The probe can be cut to any length from 150mm to 300mm. An RS485 interface with a definable address allows it to be used directly on a modbus network. The RS485 interface can use RJ45 jacks for CAT-5 cable or a terminal block. RS-485 does not define a communication protocol; merely an electrical interface. RS-485 can send data 1200 meters on cable.

This way, the lines will be biased to known voltages and nodes will not interpret the noise from undriven lines as actual data; without biasing resistors, the data lines float in such a way that electrical noise sensitivity is greatest when all device stations are silent or unpowered. So this way not all the price checker needs to be uploaded with information. It basically goes to a remote PC that has all the pricing information and it sends the data back to you. Thanks to paperless chart recording technology; students and teachers are now able to clearly and conveniently visualize their experimental data. And RS - 2322 right now, the fastest transceivers right now are 1 megabit. Star and ring topologies are not recommended because of signal reflections or excessively low or high termination impedance. Choosing a digital instrument guarantees better readability, also in low light conditions, especially for instruments with LED displays, and immediate reaction to measurement variation.

It is interesting to measure the humidity of the ground, but we have also thought about other things; and then we have TXtemp to measure the temperature (one of the uses of TXtemp is in association with SuperClock), and for practically any type of measurement we have TXdata (RS232, RS485 ModBus) - which can be connected to thousands of existing third-party professional RS232 or ModBus meters (and there is something for all needs: temperature and humidity meters, anemometers, voltage meters, energy, light meters, water meters, presence sensors, brightness sensors, soil humidity sensors, etc. ; practically all professional meters are available in ModBus or RS232 standard; and not just meters). Capabilities are used in the converter system made according to the following statement: monitoring parameters NCP series controllers, Modbus TCP network, handling controls: MN300, MN440, MN500, MN620, and heat meters - Mbus, the possibility of a software change controls, administration of the converter through a local or external PC terminal (TELNET), downloading and saving configuration files and files with FTP-client data (data downloaded, read and written by the application visualization once a day - which ensures the continuity of their records in the form of graphs), data storage (512 kB RAM with battery backup - data are recorded every 10 min, for 72 hrs.).Control and monitoring heat in Kolobrzeg installed by a company PUP SPIN SA in cooperation with the company TechBase Sp.

The greatest feature of RS485 is the fact that you can connect up to 32 devices on one system. There are different families of products on the market: instruments which measure a single electrical parameter (voltage, current, frequency, and phase angle cosϕ), generally used in single-phase systems, as instrumentation on the machine, and instruments allowing all the electrical parameters to be measured and displayed, both for the single-phase system and for the three-phase system. The VR-18 Paperless Chart Recorder can be connected to a PC with an Ethernet cable allowing students to use the Brainchild's FREE software, allowing for streaming live data or downloading the data to an Excel spreadsheet to further manipulate the information for reports and assignments. However, this makes it difficult to search through the information and organize it all. 2) the GSM version also allows you to indicate a possible PIN (leave blank if there is no PIN) and the operator's APN (possibly you can search for it on Google). The Brainchild also entirely eliminates the need to search through large amounts of hard copy records to find earlier data. The Brainchild's built-in display allows teachers and students to get a clear review of all measured data on its 6.4'' VGA Color LCD displaywith flexible screen configuration.

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