Effective Level Measurement for Hydrochloric Acid and Sodium Hydroxide

April 07, 2022 | Case Studies,Blog

Microcems Asia provides level measurement solutions for Hydrochloric Acid and Sodium Hydroxide Tanks

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A steel sheet factory in Thailand was having trouble getting accurate and reliable level measurements for their Hydrochloric Acid and Sodium Hydroxide tanks. Hydrochloric acid and sodium hydroxide are extremely corrosive substances and must be handled with absolute care. Having the right storage facilities and automation processes is crucial for these substances to be handled appropriately.

Because of the dangerous and corrosive nature of these substances, manual measurement techniques are out of the question and the end-user needed an accurate and reliable solution that wasn’t going to be destroyed by the corrosiveness of the acid.

Previously, the factory had installed a level measurement system of a flange mount type, where the diaphragm of the sensor was constantly exposed to the solvents, making maintenance for the site managers difficult and the sensor prone to wear and tear on the bolt and nut.

The steel factory reached out to Microcems, local Pulsar Measurement partners and experts for help. After listening to the troubles that the factory was facing with their existing level measurement system, engineers at Microcems knew that all transducers from Pulsar Measurement were available with a PTFE option, meaning that they are made from a synthetic fluoropolymer of tetrafluoroethylene.

PTFE Benefits

Being hydrophobic, non-wetting, high density, and resistant to high temperatures, PTFE is an incredibly versatile material with a wide variety of applications. PTFE is best known for its non-stick properties. Some advantages of using PTFE coatings include:

  • Excellent chemical resistance
  • Wide range of service temperature
  • Excellent dielectric properties
  • Nonstick, low friction
  • No embrittlement or aging
  • A smooth surface finish can be achieved
  • Non-wetting
  • Outstanding corrosion protection
  • Electrical insulation
  • High thermal stability and flame resistance
  • Resistance to weathering

Knowing the highly corrosive nature of the application, Microcems suggested that the steel factory install a dB10 PTFE ANSI flange, designed to offer robust installation in tough applications. Combined with the Ultra Lite controller.

Robust Measurement with the Ultra Lite

The Ultra Lite is designed to offer ultra-sophisticated and versatile non-contacting ultrasonic measurement and control. The Ultra Lite includes Pulsar Measurement’s unique DATEM Echo Processing algorithm for rock-solid performance and incorporates a full suite of high-performance control, monitoring, and measurement features.

Measurement Solutions to suit your needs

After Microcems helped with the installation, the steel factory now gets accurate and reliable level measurements with a robust level sensor for their application.


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