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CONCRETE TECHNOLOGYwww.cpi-worldwide.com CPI %u2013 Concrete Plant International %u2013 6 | 2025 49Optical system for online density measurement of residual concrete waterWith the OLAS probe from Werne & Thiel Sensortechnic, environmentally friendly resources can be saved and cost benefits utilised at the same time. The probe is an optical system for online density measurement of residual concrete water. The name OLAS stands for Optical Light Absorption Sensor and the function is based on absorption measurement of infrared light. The IR light transmitted via fibre optic cable penetrates the measurement medium and the light loss due to absorption is evaluated and output as a density signal.OLAS probes have been in operation in international concrete plants for many years. Heidelberg Materials is also convinced by the system and has equipped numerous concrete plants with the OLAS probe.Teka turbine mixer THZThe Teka THZ turbine mixer has been the favourite mixer of many customers for years. Thousands of Teka turbine mixers, also with special equipment, have been delivered to the building materials industry worldwide since 1961. The THZ is characterised by its simplicity, robustness and long service life. Due to continuous further development, the THZ is a very sophisticated machine and suitable for a wide range of mixing tasks.These consistent improvements led, among other things, to a completely new generation of mixing arms, the so-called drag arms. The main advantages of the new mixing arms are a better self-cleaning effect due to an inclined position in the mixture, a more intensive mixing result due to additional mixing effort and the faster homogenisation of the mixture due to the low pushing effect.The mixing arms are height-adjustable and spring-mounted in the rotor housing to absorb unwanted impacts on the gearbox. The setting angles of the mixing paddles improve the mixing effect, reduce wear and protect the drive. The cast mixing arm base plates have a reduced deposit area for build-up and an optimised shape to reduce wear.The THZ turbine mixer is available in sizes from 250 to 6,000 litres, i.e. from significantly smaller to twice as large as the mixer in Ahrensfelde. All sizes are available with different wearable linings, various accessories, lift systems as well as high-pressure cleaning systems.The discharge is equipped with a torsion-resistant cast frame and is hydraulically operated by a completely protected and All MAX products are protected by registered patents and design rights including trademarks. For details, please contact MAX.RB443TTIES WIRE MESH x WIRE MESH, UP TO#7 x #7 WITH 19GA. WIRELOAD ASSIST MECHANISM %u2022 FASTER TYINGBUILT TO LAST %u2022 COST EFFECTIVEREBAR TYINGJUST GOTFASTERSCAN TO VIEWOUR WEBSITECentral Hall BOOTHS: #C4005Silver Lot (Outside)#031137