Tech Pick: E+H Liquistation (Sampler) 

endress hauserWhen it comes to reliable automatic water samplers for wastewater treatment plants, Energenecs service technicians consistently turn to one standout model: the Endress+Hauser Liquistation CSF34. After more than a decade of experience installing and maintaining samplers in the field, their team has found the CSF34 to offer the best combination of performance, simplicity, and cost-effectiveness.
craig sampo
Craig Sampo, Lead Service Technician at Energenecs, shared his firsthand perspective on the CSF34 during a recent conversation. “I’ve worked with pretty much the gamut of samplers, when we started using this one, it stood out immediately,” Sampo said. “The biggest thing was the ease of maintenance and the low cost of keeping the unit running. Other samplers use peristaltic tubing that wears out and is expensive to replace. This one doesn’t have those routine costs, and everybody I’ve installed one for has absolutely loved it.”

Easy Maintenance

Unlike peristaltic-style samplers, the CSF34 uses a vacuum-based system that eliminates the need for consumable tubing. This results in fewer routine expenses and less downtime over the life of the unit. The CSF34 is designed with serviceability in mind. No special tools are required for disassembly, and cleaning the unit is simple and fast. “If I’m doing the maintenance, it takes 15 to 20 minutes—and that’s once a quarter at most,” Sampo added. “It’s very user-friendly.” 

Smart, Integrated Features

The CSF34 goes beyond basic sampling. It offers:

  • Connectivity for up to four Memosens sensors, turning it into a complete measuring station.
  • Heartbeat Technology enables status-oriented maintenance of the device, saving resources and costs.
  • Full SCADA integration with optional Allen Bradley Ethernet/IP communications.

SPECS AT A GLANCE

Functions: Stationary sampler
Suction height: 8m (26.25ft)
Cabinet: Plastic ASA+PC
Process temperature:
Sample temperature 2 to 50°C (36 to 122°F)
Process pressure:
max 0,8bar ( 11.6PSI)

eh sampler
eh sampler open

Competitive Pricing

Despite its high-end features, the CSF34 remains price-competitive with leading brands. Sampo notes:

“Pound for pound, it’s right in line with the others. But with no recurring costs, it just makes more sense in the long run.”

Energenecs recommends the Endress+Hauser Liquistation CSF34 for municipalities and industrial clients seeking a dependable, low-maintenance sampling solution. With over a decade of proven field performance and strong customer satisfaction, it has become a go-to tool for their service team. Further, when purchased through Energenecs, as an Endress & Hauser System Integrator Partner, this unit comes with a manufacturers 3 year warranty. For more information or support with CSF34 installation and service, contact the Energenecs team.

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