Monitoring and control devices

MEIGROUP

Products

Water and wastewater quality monitoring device (internal monitoring)

Water and wastewater quality monitoring device (internal monitoring)

Equipment for monitoring water and wastewater quality MEI GROUP research and development, supports connecting sensors via 4–20 mA, RS485/Modbus RTU and Digital Input. Data is collected, processed and transmitted Server via LAN or Wi-Fi, and save at least Offline 100 days with a cycle of 5 minutes/time. When the network is restored, the device automatically synchronizes data. Platform Web/App allows real-time monitoring, viewing graphs, history, setting alarms, exporting reports and managing mult
MEISync - CTG.100

MEISync - CTG.100

MEISync is an industrial IoT controller that integrates 10 Relays, Ethernet LAN, real-time RTC and large capacity Winbond memory. The device allows automatic control according to schedule, multiple operating hours and remote control via Web/App. Data and activity history are saved locally and automatically synchronized when there is a network connection. Supports remote OTA, anti-crash Watchdog, backup firmware and self-recovery mechanism, helping the system operate stably 24/7 in lighting, auto
BPS CONTROLLER – CT.400

BPS CONTROLLER – CT.400

BPS Controller – Model CT.400 is an industrial controller and monitor made by MEI Group research, design, development, and use STM32F407 high performance. Integrated equipment 4G LTE, RS485/Modbus RTU, 03 AI 4–20 mA, 10 DI (0–24 VDC), 10 Relay DO, 03 AO 0–10 V and 03 AO 4–20 mA, allowing connection to sensors, inverters, power meters, HMIs and many industrial devices. CT.400 supports configuration and OTA firmware update remotely, save data when connection is lost and automatically synchronize t
Door monitoring

Door monitoring

MEI access control and monitoring system is the solution IoT Access Control Use microcontroller STM32, connect Ethernet (LAN) to manage factory entrances and exits in real time. Support equipment RFID card reader, people counting sensors and controls Magnetic Lock, allows opening by card, Web/App or according to set time frame. The number of people remaining in the area is shown above 7-segment LED display. Integrated system emergency push button to unlock when escaping, support Offline Data Log
CNC machine monitoring

CNC machine monitoring

MEI CNC machine output monitoring system is a set IoT Edge Data Logger Use microcontroller STM32, collect signals from Stack Light without intervention in the PLC or CNC program. The device automatically determines the status Run, Idle, Alarm, Setup, calculate output and indicators OEE in real time. Connection support system Wi-Fi or LoRa, transmit data to the platform MEI ECO via protocol MQTT, integrated Offline Data Logging, automatically synchronizes data when connection is restored and supp
BPS Controller -  CTG.300

BPS Controller - CTG.300

Pump station pressure regulation equipment of MEI GROUP is a specialized controller that helps maintain stable pressure on the water supply network by adjusting the inverter frequency accordingly critical pressure point. The device collects pressure data from 4–20mA sensors at the station or from remote pressure nodes via LoRa, combines Modbus/RS485 data to calculate and control the inverter in real time. Support equipment many operating hours, each time frame has its own pressure setpoint and fr
LoraSync -  LR.100

LoraSync - LR.100

Monitoring and control equipment LoRa MEI is an industrial IoT solution for factories, pumping stations and technical infrastructure. Device uses power 220VAC, integrated 01 RS485 Modbus RTU, 04 Digital Input 0–24VDC and 10 Relay Output 220VAC to collect data, monitor status and control devices remotely. Technology LoRa Allows long-distance communication, reduces wiring costs and is easy to deploy on a large scale. Connect to the platform MEI Eco Web/App, the device supports real-time monitoring
Remote sensor monitoring

Remote sensor monitoring

The system monitors temperature and pH through LoRa MEI is the solution IoT uses STM32, allowing data to be collected from multiple LoRa Sensor Node and transmitted LoRa Master Gateway. Gateway displays data on the screen, while connecting Ethernet (LAN) or Wi-Fi to transmit data to the platform MEI ECO via protocol MQTT. The system supports sensor connection RS485 Modbus RTU, 4–20 mA or Analog, set alarm threshold and send Push Notification when the parameter exceeds the limit. Both Sensor Node
Factory temperature and humidity monitoring

Factory temperature and humidity monitoring

The MEI temperature and humidity monitoring system is an IoT solution that uses sensors SHT30 and controller STM32 to monitor environmental conditions in real time. Devices that support connection Wi-Fi or Ethernet (LAN), display temperature and humidity above 7-segment LED and Web/App platform. The system allows configuration of alarm thresholds, local horn activation and sending Push Notification when parameters exceed limits or the device has a problem. Data is stored offline when connection
Lora Node (Model: CT003)

Lora Node (Model: CT003)

MEI GROUP CT.003 is a fire alarm signal receiver using LoRa technology, allowing real-time monitoring of system status on the Web and App. The device supports instant alerts when problems occur, stores operation history and remotely monitors connection status. Compact industrial design, installed directly in electrical cabinets or fire alarm cabinets, suitable for factories, buildings, warehouses and commercial centers.
AQUAMONITOR -  DTG.800

AQUAMONITOR - DTG.800

The MEI Datalogger device monitors the wastewater treatment system, collecting data from sensors via RS485 (Modbus RTU), pulse input and 4–20mA analog signals such as pH, COD, TSS, DO, flow, water level. The device is capable of controlling the sampler automatically by time or flow, and recording full event logs. Data is stored in parallel online and offline, automatically sent compensation when there is a network outage and safely backed up when there is a power outage. The system connects to th
SENSOR -  DTG.100

SENSOR - DTG.100

MEI's temperature and humidity monitoring device is an industrial IoT solution connected to WiFi, transmitting data directly to the platform. MEI Eco Web App for centralized monitoring and management. The device accurately measures environmental temperature and humidity, suitable for installation in factories, cold storages, server rooms, agricultural greenhouses and technical electrical cabinets. Data is updated in real time, displayed on an intuitive dashboard with hourly, daily, and monthly ch
SMART PRV - PRV.03

SMART PRV - PRV.03

The MEI pressure monitoring and regulation system is the solution IoT Use microcontroller STM32, specializes in monitoring pressure and flow in water supply networks, and automatically controls pressure regulating valves to maintain stable pressure and reduce water loss. The device supports pressure sensor connection 4–20 mA, flow meter RS485 Modbus RTU and transmit data directly to the platform MEI ECO qua 4G LTE use protocol MQTT. The system operates by Solar energy combined with rechargeable
Fine particulate matter monitoring

Fine particulate matter monitoring

MEI dust monitoring system is the kit IoT Data Logger Use microcontroller STM32, supports dust sensor connection PM1.0, PM2.5, PM10 qua UART or RS485 Modbus RTU to monitor air quality in factories and outdoors. Connected devices 4G LTE, Wi-Fi or Ethernet (LAN), transmit data to the platform MEI ECO via protocol MQTT. Support system Continuous Mode and Low Power Mode, integrated Offline Data Logging, automatically synchronizes data when connection is restored and supported Remote firmware update
Fire alarm monitoring

Fire alarm monitoring

MEI GROUP's smart fire alarm equipment is a specialized IoT solution for factories, warehouses and buildings, meeting the requirements of continuous safety monitoring and centralized management. Equipment used LAN connection as main channel to ensure stable data transmission. When a LAN or system failure occurs automatically switch to 4G, maintains an uninterrupted connection with MEI's monitoring center and web app platform. The device connects directly to the Smoke detector, heat detector, fire
10-channel Wi-Fi/LoRa controller

10-channel Wi-Fi/LoRa controller

MEI ECO 10-channel controller is a smart remote control solution using the STM32 platform, supporting LoRa or WiFi connection. The device integrates 10 independent relay/MOSFET channels to control pumps, solenoid valves, fans, lights and industrial equipment. Supports manual control, timer, automatic scenario and sensor linkage. Status data, voltage, load current, temperature and alarms are monitored in real time on the MEI ECO Web/App. The device has OTA, watchdog, anti-EMI interference and 24/
PumpPerf - DTG.500

PumpPerf - DTG.500

MEI pump performance analysis system allows to evaluate the relationship between flow (Q) and pressure/water column (H) during the actual operation of the pumping station. The device collects data from flow sensors (pulse, M-Bus, Modbus) and 4–20mA/LoRa pressure sensors, then automatically “counts samples”, filters noise and creates data groups that accurately reflect the pump characteristic curve according to each operating condition. Automated construction system Q–H characteristic curve, displ
IoT Gateway (model: MEI_MT03)

IoT Gateway (model: MEI_MT03)

The ESP32 IoT LAN device is an integrated, industrial control and data acquisition suite 08 Digital Input 24VDC, 01 RS485 Modbus RTU port, 01 control relay, 01 alarm contact (Alarm Contact) and Real-time RTC. Devices that support connection LAN Ethernet and LoRa 3–8 km, allows monitoring and collecting data from sensors, PLCs, electricity meters, flow, pressure... Data is transmitted to Cloud, SCADA or Web/App for remote monitoring, warning and control. Suitable for problems of incident warning,
BMS - CTG.050

BMS - CTG.050

Level 1 pumping station monitoring and control equipment of MEI GROUP is a smart controller for raw water exploitation pumping stations, well pumping stations and upstream water supply systems. The device allows simultaneous control priming pump, submersible pump, drain pump following an automated process, ensuring safe and continuous operation. The device collects data from well water level sensors, pressure sensors, flow sensors, motor temperature and electrical cabinet status. Based on this da
MEISync - CTG.200

MEISync - CTG.200

The MEI central controller is designed for industrial monitoring and control applications, water infrastructure, pumping stations and environmental monitoring. The device uses high-performance STM32F407 microcontroller, supporting RS485 connection, Ethernet, digital input, control relay and field sensor. Integrated data storage, real-time clock, remote program update (OTA) and Watchdog anti-crash mechanism. The solution allows data collection, status monitoring and remote device control via Web/
Industrial IoT Gateway

Industrial IoT Gateway

IoT Gateway MEI GROUP is a central data collection and transmission device for the factory, supporting connectivity LAN Ethernet combined with the network LoRa UART to build a distributed monitoring system without pulling long RS485 wires. Gateway uses ESP32 dual-core 240MHz, operates stably 24/7 and integrates WiFi/LAN for SCADA, MES or internal server connection via MQTT/MQTTS, HTTP/HTTPS or WebSocket. Support equipment M-Bus/RS485 Modbus RTU to read electronic water meters, industrial sensors