Electricity and Control May 2023

SENSORS + SWITCHES : PRODUCTS + SERVICES

TSS sensors advance industrial efficiency

In industry, companies are always seeking new ways to improve efficiency, reduce costs and enhance safe ty in their operations. In this regard, the development of sensors has had a significant impact. Sensors are now used extensively across many industries to monitor various parameters and support optimal performance. Prei Instrumentation is at the forefront of this field. In its portfolio of process instrumentation, it includes state-of the-art TSS sensors. TSS stands for total suspended solids: TSS sensors measure the concentration of suspended solids in liq uids. Suspended solids refer to particles in water or other liquids that are not dissolved, such as sand, silt and organic matter. The sensors work by shining a light through a fluid sample and measuring the amount of light scattered by the suspended particles. This information is used to calculate the concentration of suspended solids in the liquid. TSS sensors are widely used in various industries. For example, in the wastewater treatment sector, they are used to monitor the level of solids in the water, which is a critical parameter in the treatment process. If the lev el of solids is too high, it can cause problems such as clogged pipes and reduced treatment efficiency. In the food and beverage industry, TSS sensors are used to monitor the concentration of suspended particles in liq uids like juices and dairy products, as this can affect the quality and consistency of the final product. Prei Instrumentation’s TSS sensors incorporate cutting edge technology. The sensors use a unique algorithm to differentiate between different types of suspended solids, such as organic matter and inorganic particles. This is important because different types of solids have different properties and can affect processes differently. For example, bacteria can break down organic matter in wastewater treatment processes, and inorganic particles can accumulate and cause blockages. Prei Instrumentation’s TSS sensors are highly accu

rate and reliable. They can operate in harsh industrial en vironments and withstand high temperatures, pressure, and corrosive substances. In addition, the sensors are easy to install and maintain, with a user-friendly interface enabling operators to monitor the data in real time and make adjustments as needed. One of the key benefits of the TSS sensors is that they contribute to improving industrial efficiency. By moni toring the concentration of suspended solids in liquids, companies can optimise their processes to reduce waste and improve product quality. For example, in the waste water treatment sector, TSS sensors can be used to ad just the dosage of chemicals in the treatment process, reducing costs and improving the system’s efficiency. In the food and beverage industry, the sensors can be used to adjust the production process to ensure that the final product meets set quality standards. In addition, TSS sensors can enhance industrial safe ty. For example, in the oil and gas industry, they can be used to monitor the level of solids in drilling mud, a critical parameter for ensuring the safety of drilling operations. If the level of solids is too high, it can cause blockages and lead to dangerous conditions such as blowouts. TSS sensors help improve efficiencies in the food and beverage and dairy industries, among others.

For more information contact Prei Instrumentation. Visit: https://prei.co.za

Electronic pressure switch for hygienic applications

The PSD-4 electronic pressure switch from Wika offers a universal solution for pressure measurement in industrial automation – including in hygienic applications and under harsh conditions. With certification in terms of EHEDG (the European Hygienic Engineering and Design Group) and 3-A Sanitary

is available with a digital output signal as well as a switcha ble and scalable analogue output. In addition, it can be eas ily monitored via the self-diagnostics. Condition data and the diagnostic functions allow consist ent process monitoring. Pressure or temperature values that are above or below the specifications are displayed directly in the system. The data also allows for conclusions to be drawn about changing process conditions. Additional infor mation helps to check the loading. The scalable analogue output enables the measuring range to be adapted at a ratio of 5:1. The output signal can be configured specifically for the application, supporting the PSD-4’s versatility. Continued on page 21

The PSD-4 electronic pressure switch offers a versatile solution for pressure measurement.

Standards, the pressure switch is suitable for use in industries with high hygiene requirements. It provides an accuracy of < ±0.5% and minimal long-term drift, ensuring accurate representation of the pro cess pressure for more than 100 mil lion load cycles. The pressure switch

20 Electricity + Control MAY 2023