Limit Switch detection (Foam) ✪ Aquasant Messtechnik AG

The limit value switch monitors the dynamic and/or static limit value for foam. Universally usable, allows for reliable detection, combined with easy commissioning. A reliable measurement of all products is guaranteed by applying the impedance measuring principle.

mipromex® – the limit value switch
The evaluation unit monitors, detects and controls the addition of the defoamer

The guaranteed foam detection of products with varying consistencies, electrical and dielelectrical conductivity is achieved by the dynamic three-dimensional measurement behaviour. The limit value output controls the cost-conscious use of the foam precipitating agent closes the pressure valve or interrupts the vacuum, etc.

Aquasant limit switch foam detection in sterile zone

Foam monitoring

Why customers rely on aquasant® foam detection

Detection of a wide range of foam types

Measurement without sensitivity to contamination

Differentiation between foam and fluid through two measurement areas in a serial “single rod” design

Probes in extremely small designs for labs and pilot plants (in rotating evaporators, lab fermenters, single-use bioprocess bags)

Dead space-free probes

Resistant for CIP, SIP

Foam detection in non-conductive tubes when filling with sterile material

Curved probes for special installation

The MLS tlimit value switch can be used for foam detection, fluids or powder level measuring. The first and second measurement circuits are equipped with the same functionality. The evaluation electronics not only serves as a feed unit in the 2-wire technology, it also houses the data processing intelligence.
Your benefit: High economic efficiency and investment security due to the long service life.

Limit value on the active measurement range length can be freely parameterised
Easy fault visualisation, fault notifications on 2nd relay output, if selected
With 1 or 2 measuring inputs
Limit value simulation

Ex version: Gas II (2) G [Ex ia Gb] IIC SEV 09 ATEX 0132; EMC STS 024 CE 1254

Further information on MLS»

The standardised bar probe is configured to customer-specific process conditions and the media used.

Materialisation: Stainless steel, Hastelloy®, full PTFE designs
Process connection: Flange DN, ANSI or threading
For insulated lines with extension for detached connection head and/or with a cooling element for product temperatures of up to 170° C
Connection head for indoor IP65 or outdoor IP68 in Exd

The standardised bar probes are configured to customer-specific process conditions and the media used. The probe technology, in contrast to the capacitive system, is also suitable for insulating, low-polarity foams.

Materialisation: Stainless steel, Hastelloy®, full PTFE designs
Contamination in the inactive area and organic residues on the measuring electrode are negligible
Designs for extreme process conditions with temperatures of up to max. 300°C and pressure up to 1000 bar
The quick measurement, 300 ms, guarantees reliable detection

Aquasant-Grenzwert-Auswertegerät Typ MLS1*

foam detection bar probe at truck filling

Documentation

Limit value probes for organic and aqueous foams

Our impedance measuring principle and the high-resolution MTI measuring electronics can record all types of foam both analogue, as a fill level tendency or digitally, as a limit value. A wide range of probes allows for all types of installation. The spatial measurement behaviour of the foam probes makes it easy to detect foams. Thanks to the product-specific probe, combined with the dynamic limit value detection, various types of foams can even be determined if the probe is contaminated. The mipromex® MLS evaluation unit is equipped with a graphic display for visualising the foam level and setting the limit value.