OTHER BRANDS

1.Functions

Multi-parameter signal acquisition: Compatible with Hach digital sensors to measure pH, ORP, dissolved oxygen, conductivity, turbidity, suspended solids, nitrate, ammonium and phosphate. A single probe module supports up to 8 digital sensors; networked multiple probe modules can connect maximum 32 sensors.www.plcva.com
Plug-and-play sensor access: Automatic sensor identification without complicated software configuration after connection.
Local display & human operation: Large color touch screen for real-time data visualization, curve trend review, parameter setting, calibration and alarm checking. The display module can be detached and moved freely within the network.www.plcva.com
Data transmission & industrial communication: Supports 4–20 mA analog output, Modbus RTU, Modbus TCP/IP, Profibus DP, HART and optional GSM/GPRS wireless transmission, seamlessly interfacing with PLC and SCADA system.www.plcva.com
Programmable control & relay output: Built-in PID control logic and multi-channel relay outputs to trigger dosing pumps, valves and alarms when water quality exceeds preset threshold.
Predictive self-diagnosis (Prognosys): Continuously monitors sensor health, cable fault and controller status. It gives advance reminder of maintenance requirement and sends fault & alarm records.
Data logging: Stores historical measurement data, calibration logs and alarm events for traceability and audit.

Hach SC1000 Water Quality Analysis Controller Physical photo

Primary application: Continuous online water quality monitoring and process control in water treatment systems.www.plcva.com
Typical sites: Municipal drinking water plants, surface water monitoring stations, sewage treatment plants, industrial wastewater, power plant boiler water, semiconductor ultrapure water, pharmaceutical water systems.
System role: Central control unit for distributed water quality sensor network. It collects field sensor data, executes logic control and uploads data to upper monitoring system.
Operation objective: Real-time online monitoring of water quality indicators, automatic chemical dosing control, over-limit alarm, recording of water quality data to satisfy environmental discharge regulation and water process management requirements.
Marine optional scenario: Also used for vessel oily water separator and ship wastewater quality monitoring systems.