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Automatic water sampler
for North America
Liquistation CSF34

The Liquistation CSF34 automatic water sampler is compliant with US and Canadian regulations. ©Endress+Hauser

Liquistation CSF34 is an automatic water sampler for monitoring wastewater treatment plants, sewage networks, surface water and industrial processes in accordance with US and Canadian regulations.

Heartbeat Technology allows status-oriented maintenance of the automatic water sampler. ©Endress+Hauser

Heartbeat Technology allows status-oriented maintenance of the automatic water sampler..

The CSF34 vacuum sampler offers accurate sample volumes and a high sample transport velocity. ©Endress+Hauser

Liquistation CSF34 with vacuum pump. It is used for most standard sampling applications as it offers accurate, reproducible sample volumes and a high sample transport velocity.

The CSF34 peristaltic sampler allows cyclic rinsing of the suction line and variable sample volumes. ©Endress+Hauser

Liquistation CSF34 with peristaltic pump. This version is recommended when cyclic rinsing of the suction line or variable sample volumes are desired.

Fully automatic sampling in water, wastewater and industrial applications

Sampling made safe and easy. Liquistation CSF34 complies with North American water regulation and features a fail-safe cooling system and vandalism-proof housing guaranteeing outstanding safety for your samples. Easy, menu-guided sample programming and tool-free maintenance save you time in your everyday tasks. Liquistation can be upgraded to a complete measuring station for modern environmental monitoring at any time giving you the flexibility to address future demands.

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  • Benefits

    • Automatic water sampling in full compliance with US and Canadian regulations and the ISO 5667 standard

    • 100% adaptable to any monitoring task from time- or flow-controlled sampling to event-controlled sampling

    • By connecting up to four Memosens sensors,...

  • Field of application

    Liquistation CSF34 is available in the USA, Canada, and Mexico. It is suitable for the following applications:

    • Municipal and industrial wastewater treatment plants

    • Stormwater, watershed, and river monitoring

    • Resource water

    • Laboratories and water authorities

    • Determination of total maximum...

Features and specifications



  • Measuring principle


  • Functions

    Stationary sampler

  • Application

    Sampling from liquids

  • Dosing system

    Vacuum pump system
    Peristaltic pump system

  • Suction height

    8m (26.25ft)

  • Installation

    all weather outdoors

  • Cabinet

    Plastic ASA+PC

  • Distribution


  • Process temperature

    Sample temperature 2 to 50°C (36 to 122°F)

  • Cooling

    active, dynamic cooling unit

  • Process pressure

    max 0,8bar ( 11.6PSI)

  • Heating

    Evaporator and defrosting unit mounted in compact housing

  • Input

    Analogue: 2, galvanically isolated
    Binary: 2, galvanically isolated
    Optionl: 1 to 4 digital sensor inputs

  • Output

    Binary: 2, galvanically isolated
    Optionl: 2 to 6 relay, 2 to 6 current outputs

  • Interface

    Optional Ethernet, PROFIUS DP, Modbus RS485, Modbus TCP

  • Data logger

    All events and data
    Sampling statistics

  • Power supply

    100 to 120/200 to 240 VAC +-10%, 50/60Hz

  • Dimension

    1258 x 753 x 625 mm (h x b x t)
    49.5 x 29.7 x 24.6 inch (h x w x d)

  • Weight


  • Accessories

    Dosing system
    Housing equipment
    Electrical equipment

  • Options

    Interface to digial sensors

Documents / Manuals / Software

Accessories / Spare parts

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