Nivelco Instruments for Wastewater Treatment

Wastewater Treatment Plant Instruments from Nivelco



Nivelco and MCE Process can provide all your instrumentation and control needs for collection systems, liftstations and pumps, package plants and wastewater treatment plant. This diagram of the wastewater treatment process details two separate sections: wastewater treatment processes and slurry treatment processes.

wastewater treatment plant instruments process diagram


The sewage is collected in lifstations, underground sumps or pits, also known as wetwells, and is pumped to the sewage treatment plant.

Measurement and control tasks:
Reliable level measurement is necessary to provide pump start and stop signals with fail safe switch-off points to avoid dry running.


The  EasyTREK SP type non-contact ultrasonic level transmitter models with IP68 ingress protection is Nivelco’s recommendation for this measurement task.

Another popular choice for liftstations or deep sumps is the flush mounted  NIVOPRESS NC  type
hydrostatic borehole transmitter or the NIVOPRESS NP  series with recessed membrane equipped with a sewage adaptor working on the principal of the diving bell.

Nivelco NIVOPRESS N NIVOPRESS D transmitter

A  PLC  or our  MultiCONT  process controller unit is ideal to process the analogue 4…20 mA signals and to control the switching points. For fail-safe protection, the robust NIVOFLOAT NWP float level switches are recommended.

Nivelco Nivofloat and Nivocont


The sewage pumped in from the network contains a lot of organic and non-organic materials in suspended form as well as in solution. This pollution has to be removed. The particles are filtered with a mechanical screen. The dissolved pollution can be reduced by adding coagulant materials. The reduced slurry is then separated from the water in the sedimentation tank.
The purified sewage can be streamed to any natural water after chemical inspection and yield measurement.


  • Ultrasonic level transmitters for level measurement (2-wire integrated  (blind) or compact versions), EchoTREK or EasyTREK
  • For the control of the mechanical screen a differential system with 2 ultrasonic level transmitters is recommended
  • The  AnaCONT  range of analytical measurement devices is ideal for the chemical analysis of the cleaned water
  • Open channel flow metering can be done using our  Parshall flume, and  EasyTREK level transmitter.
  • Nivelco EasyTREK Echo-TREK ultrasonic transducers
  • For the calculation and data logging a MULTICONT PEW controller can be used.
  • High and low level switching will be performedwith NIVOSWITCH vibrating fork sensors



The slurry separated in the sedimentation tank istransferred to the digester tank. The emitted biogas is stored in a biogas tank and then fed to a biogas generator. The biogas section of the plant is classified as a hazardous environment. The slurry retained in the digester is transported from the plant after dewatering (dehydration)


  • ATEX certified ultrasonic level transmitters(EchoTREK  or  EasyTREK) or ATEX certified guided microwave level transmitter (Micro-TREK) can be used for level measurement.
  • Nivelco’s choice for measuring the temperature of biogas is the ATEX certified temperature transmitter THERMOCONT TTJ Ex.
  • Nivelco recommends an ATEX certified pressure transmitter for measuring the biogas pressure the NIVOPRESS DT Ex

Nivelco Water Wastewater Instrument Selection

Nivelco Field Instruments In Measurement Systems


MCE Process

MCE Process provides Process Instruments, Meters, Controls, Equipment and Services. We provide Instrumentation and Control services throughout the US including OH, KY, IN, TN, WV, MI, NC, IL, CO, TX, FL, CA, NY and around the world. Visit our shop and MCE Process legacy store.
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