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Data Loggers
Many networks already have flowmeters and sensors from different brands installed, and replacing them just to get telemetry is impractical. The SOFREL data logger with an open Modbus interface solves that: it connects to flowmeters and sensors with an RS-485 output, reads their data, and sends it over 2G, 4G, or LPWAN to your supervision system.
The main advantage is freedom of choice. Because it does not depend on a single instrumentation manufacturer, you can incorporate the equipment you already operate, select the most suitable instrument for each point, and combine brands without losing a unified view of the network. The device is also built for underground installations, flooding risk, and remote sites, where there is usually no power or wired communications.
The data reaches the same supervision system as the rest of your network, compatible with SCADA and with the manufacturer's or third-party centralization software. That way you can start with a few points and grow at your own pace, without being tied to a single measurement technology. This simplifies operations and makes use of the instrumentation you already have in the field.
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A water or sanitation network brings together flowmeters and sensors from different generations and manufacturers. Each does its job in the field, but many are not connected to the supervision system, and replacing them just to get telemetry rarely makes sense. An open-interface data logger solves it another way: let each instrument keep doing what it already does well, and take care of reading its data and carrying it where it is needed.
The data logger connects over RS-485 to Modbus-compatible flowmeters and sensors, queries their values at the interval you define, and stores them on site. It then transmits them over 2G or 4G, or over LPWAN when low power consumption is the priority, to your supervision system, where they are consolidated with the rest of the network.
Because the interface is open, the choice of instrument no longer dictates the choice of telemetry. This lets you make use of meters already installed, add new instrumentation from other manufacturers whose equipment offers a compatible RS-485 output, and keep a single way of communicating the entire network. For anyone managing many points, that means less dependence on one instrument supplier and more flexibility when expanding or renewing the measurement network.
The applications follow those of the range. In drinking water networks, they support remote flowmeter reading and district metering; in sewer systems, flow and overflow monitoring. In both cases, the device is designed for underground installations, flooding risk, and remote sites, so it replaces field visits with continuous, comparable information exactly where it is needed most.
Integration does not mean starting from scratch either. The range works with the manufacturer's supervision and centralization software and is compatible with other SCADA systems and with third-party applications used by water operators. Through open interfaces, the data can feed district metering platforms, geographic information systems (GIS), and asset management systems (CMMS). This model complements SOFREL data loggers for drinking water and for wastewater, and is a natural component of Marfel's Online District Metering solution.
The usual path is to start with the points where instruments are already installed and add others over time, until the measurement network operates as a single system, regardless of who made each instrument. If you are evaluating how to connect your current instrumentation to telemetry, Marfel's team can help you review the compatibility of your equipment and define the communications architecture.
