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Process Equipment for Water Analysis and Monitoring

Process equipment for water analysis and monitoring is utilized in chemical and materials processing, in facilities such as refineries, chemical plants, power plants and water / wastewater treatment plants. The portfolio contains online analyzers for monitoring a wide range of parameters, digital controllers (transmitters) and sensors for various parameters, as well as samplers that help you obtain a representative sample for accurate subsequent analysis.

Online Analysers

Hach offers a broad range of online analyzers for various parameters such as chlorine, ammonium, chlorine dioxide, phosphate, fluoride, sodium, silica, ozone, as well as harndess, particle counting, turbidity, nutrients and TOC. In addit...

Controllers and Sensors

Hach provides different digital controllers (i.e. transmitters), analogue controllers as well as a broad range of sensors including pH and ORP sensors, Dissolved Oxygen Sensors, Conductivity Sensors and more. While Analog Controllers pr...

Samplers

As accurate analysis begins at the sample point, Bühler vacuum samplers help you obtain a representative sample for subsequent analysis with your Hach lab instrument, ultimately leading to accurate reporting. With an improved software sy...

FAQ: Process Equipment for Water Analysis and Monitoring

How can continuous and reliable free chlorine measurement in drinking water be ensured?

For online measurement, analyzers such as the CL17sc are recommended. It uses the DPD colorimetric method and provides stable results with minimal maintenance. For manual verification, instruments such as the DR300 or DR3900 are used.

How can water turbidity be monitored in real time?

For drinking water treatment plants, the standard solution is the TU5300sc laser turbidimeter, featuring 360° x 90° detection technology and compliant with EPA/ISO standards. For laboratory use or control points, the 2100N is commonly used.

What is the optimal solution for online ammonium measurement?

The AN-ISE sc ion-selective (ISE) probe enables continuous monitoring without reagents. Alternatively, the Amtax sc analyzer provides high accuracy at low ammonium concentrations.

How can total phosphorus be reliably measured in wastewater?

For precise online measurement, the Phosphax sc analyzer is used, suitable for municipal and industrial wastewater treatment plants. In the laboratory, the DR6000 with LCK cuvette tests is applied.

How can multiple sensors be integrated into a single control system?

The SC1000 controller allows connection of multiple digital sensors (pH, chlorine, turbidity, ammonium, phosphorus, etc.), with Modbus/Profibus communication for SCADA systems.

How can the need for frequent sensor maintenance in wastewater be reduced?

Optical (LDO) probes such as the LDO sc have minimal calibration and maintenance requirements compared to membrane-based DO probes.

How can accurate laboratory analyses with traceability be ensured?

The DR3900 and DR6000 spectrophotometers support barcoded LCK tests, automatic method recognition, and GLP documentation.

How can TOC be monitored in the water treatment process?

For online monitoring, online TOC analyzers are used, enabling reliable measurement of total organic carbon in industrial and municipal applications.

What is the solution for precise sampling in compliance with standards?

Automatic samplers such as the AS950 and Buhler 4011 enable time-based or flow-proportional sampling, with sample cooling options.

How can coagulant dosing in a treatment plant be optimized?

The combination of turbidity measurement (e.g., TU5300sc) and UV absorbance measurement using UVAS sc enables dynamic chemical dosing control and reduction of operational costs.