Endress+Hauser Liquiline System CA80PH Orthophosphate Analyzer

$750.00


The Endress+Hauser Liquiline System CA80PH is an online orthophosphate analyzer using a colorimetric measurement method for wastewater monitoring. It supports PO4-P measurement ranges up to 50 mg/l, with optional dilution functions for higher concentrations, automatic calibration and cleaning functions for reliable long-term operation.

🕑 Lead time: 6-8 weeks
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Reliable Orthophosphate Monitoring for Wastewater Treatment

The Liquiline System CA80PH is designed for applications where accurate phosphate monitoring is essential for stable wastewater treatment performance.

In biological wastewater treatment, controlling phosphate levels is important for efficient nutrient removal. Continuous online measurement helps operators better understand process conditions and adjust chemical dosing more effectively.

Colorimetric Measurement for Accurate Phosphate Analysis

The CA80PH uses a proven colorimetric measurement principle for orthophosphate analysis.

Depending on the selected method, the analyzer uses the molybdenum blue method or molybdate vanadate method to determine phosphate concentration in aqueous solutions.

Optimize Precipitant Dosing

One of the main applications of CA80PH is monitoring and optimizing precipitant dosing in wastewater treatment plants.

By continuously measuring phosphate concentration, operators can adjust chemical dosing more efficiently, helping reduce unnecessary reagent consumption while maintaining treatment performance.

Designed for Municipal and Industrial Applications

The analyzer is suitable for various water treatment processes, including:


  • Municipal wastewater treatment plants

  • Industrial wastewater treatment

  • Wastewater outlet monitoring

  • Cooling water cycle monitoring

It provides reliable phosphate data for process optimization and documentation requirements.

Lower Maintenance Through Automation

The CA80PH includes automatic calibration and cleaning functions to reduce manual maintenance work.

Low reagent consumption and optional cooling solutions help extend reagent lifetime and improve operational efficiency.

Flexible Liquiline Platform Integration

As part of the Liquiline System family, CA80PH can be integrated with compatible Memosens digital sensors.

This allows users to create a complete analytical measurement station according to different process requirements.

Key Features


  • Online orthophosphate analyzer

  • Colorimetric measurement principle

  • Designed for wastewater monitoring and optimization

  • Measuring ranges:


    0–2.5 mg/l PO4-P


    0.05–10 mg/l PO4-P


    0.5–50 mg/l PO4-P


    Up to 1000 mg/l PO4-P with dilution function



  • Process temperature 4–40°C

  • Automatic calibration and cleaning

  • Low reagent consumption

  • Supports precipitant dosing optimization

  • Compatible with Liquiline platform

  • Optional Memosens sensor integration

  • Remote diagnostics available depending on configuration

Typical Applications

Municipal Wastewater Treatment

Monitoring phosphate concentration in wastewater treatment plants to support biological nutrient removal and phosphorus control.

Industrial Wastewater

Used for monitoring phosphate levels in industrial treatment processes where discharge quality needs continuous supervision.

Precipitant Dosing Control

Providing measurement data to optimize chemical dosing systems for phosphorus removal.

Cooling Water Monitoring

Supporting phosphate monitoring in industrial cooling water cycles.

Frequently Asked Questions

What is the Endress+Hauser Liquiline System CA80PH?

The CA80PH is an online orthophosphate analyzer designed for continuous phosphate measurement in wastewater and industrial water applications.

Is CA80PH a phosphate sensor?

No. The CA80PH is a complete analyzer system using reagents and colorimetric analysis. It is different from digital Memosens sensors such as pH or conductivity sensors.

What does CA80PH measure?

It measures orthophosphate (PO4-P) concentration in aqueous solutions.

What measurement principle does CA80PH use?

The analyzer uses a colorimetric measurement principle, including molybdenum blue and molybdate vanadate methods depending on configuration.

What is the measuring range of CA80PH?

Depending on configuration:


  • 0–2.5 mg/l PO4-P

  • 0.05–10 mg/l PO4-P

  • 0.5–50 mg/l PO4-P

With dilution function, the range can extend up to:


  • 2.5–500 mg/l PO4-P

  • 10–1000 mg/l PO4-P

Where is CA80PH commonly used?

Typical applications include wastewater treatment plants, industrial wastewater systems and cooling water monitoring.

Does CA80PH support automatic cleaning?

Yes. The analyzer supports automatic calibration and cleaning functions to reduce maintenance requirements.

Measuring Principle
Measuring principleColorimetric
CharacteristicProcess analyzer for orthophosphate in aqueous solutions
Comply with standard colorimetric measuring principle, molybdenum blue method, following DIN EN 1189 or molybdate vanadate method
Application
ApplicationMonitoring and optimization of the cleaning capacity of municipal and industrial waste water treatment plants
Measuring Range
Measuring range0 to 2.5 mg/l PO4-P (blue method)
0.05 to 10 mg/l PO4-P (blue method)
0.05 to 10 mg/l with dilution function to maximum 2.5 to 500 mg/l PO4-P (blue method)
0.5 to 20 mg/l PO4-P (yellow method)
0.5 to 50 mg/l PO4-P (yellow method)
0.5 to 50 mg/l with dilution function to maximum 10 to 1000 mg/l PO4-P (yellow method)
Design & Size
Housing (open version)793 x 530 x 417 mm (31.22 x 20.87 x 16.42 in)
Housing (closed version)793 x 530 x 463 mm (31.22 x 20.87 x 18.23 in)
Housing with base1723 x 530 x 463 mm (67.83 x 20.87 x 18.23 in)
DesignOpen design, cabinet and stand housing
High-performance plastic ASA-PC, additional stand coated steel
Process Conditions
Process temperature4 to 40 °C (39.2 to 104 °F)
Ambient temperature5 to 40 °C (41 to 104 °F)
Outdoor version: -20 to 40 °C (-4 to 104 °F)
Process pressureAt atmospheric pressure, < 0.2 bar
Sample flow rateMin. 5 ml/min (0.17 fl.oz/min)
Consistency of the sampleSuspended solids content; turbidity < 50 NTU, aqueous, homogenized
Supply, Inputs & Outputs
Power supply100 to 120 VAC / 200 to 240 VAC ±10 %
24 VDC ±10 %
50 ±1 or 60 ±1.2 Hz
Output / communication2x 0/4 to 20 mA
Modbus RS485/TCP
Input1 or 2 measuring channels
1 to 4 digital sensor inputs for sensors with Memosens protocol (optional)
Consumables
ConsumablesReagents and standard solutions CY80H as well as cleaner CY800 (blue method) are necessary for the operation
Regular maintenance is done with the parts of the maintenance kit CAV800