Kobold has on offer the model NUS-4 ultrasonic level meter, to be used for non-contact, continuous level and volume measurement in vessels or for flow measurement in open channels. Level measurement technology based on the non-contacting ultrasonic principle is especially suited for sticky or abrasive media and applications where no physical contact can be established at the surface of the material to be measured. Examples include corrosive attack by the process medium on the measuring device material, possible contamination by sewage or particles of the process medium adhering to the measuring device.
The ultrasonic level metering technology is based on the principle of measuring the time required for the ultrasound pulses to make a round trip from the sensor to the level to be measured and back. The sensor emits an ultrasonic pulse train and receives the reflected echoes. The electronics evaluates the echo time of the pulses and determines the level.
For remote transmission, for norm signal output and for monitoring purposes, a relay contact is available. For programming and for local display, the units may be delivered with an optional pluggable programming unit with LCD display. The sensors have a total beam angle of 5° to7° at -3 dB. This ensures a reliable measurement in narrow silos with uneven side walls as well as in process tanks with various protruding objects. Furthermore, as a result of the narrow beam angle the emitted ultrasonic signals focus and penetrate gases, vapour and foam.
The devices are available in six versions for liquid level measurements from 0,2 – 4 m up to 0,6 – 25 m and for solids level measurements from 0,2 – 1,6 m up to 0,6 – 10 m. The compact meters have a powder coated aluminium housing with IP67 ingress protection and are screwed into vessel covers or brackets and installed vertical to the product surface by a norm thread or flange. An EPDM gasket ensures reliable isolation of the product. The 4…20 mA analog output delivers a level proportional signal.
Precision measurement for ultra-pure water systems
Flow Measurement & Control
[Sponsored] Ultra-pure water (UPW) is essential in industries where even minor contaminants can impact product quality and process integrity. Anton Paar’s L-Cor Coriolis mass flowmeters provide a highly accurate and hygienic solution by directly measuring the mass of the liquid using the Coriolis effect, ensuring a high level of cleanliness.
Read more...Rotary atomisers for efficient paint spraying Instrotech
Sensors & Transducers
Painting the bodywork is an integral component of vehicle manufacturing. Keller supplied intrinsically safe pressure transmitters and intrinsically safe temperature sensors to a client producing paint robots for the car industry.
Read more...Inline process solutions for gold mining Anton Paar
Flow Measurement & Control
The extraction and processing of gold ore requires precision and efficiency to maximise yield and minimise losses. Automation and continuous monitoring of critical process steps are essential to ensure optimal production. Anton Paar offers advanced inline measurement solutions which enable full automation and real-time monitoring of key steps in gold extraction and processing.
Read more...Magnetic-inductive flow sensor ifm - South Africa
Flow Measurement & Control
The SMF magnetic-inductive flow sensor revolutionises liquid and creamy flow measurement. With IO-Link, it enables digital data transmission, eliminating blind spots in production.
Read more...Hygienic flow measurement for the food industry ifm - South Africa
Flow Measurement & Control
With the SMF magnetic-inductive flow meter, ifm offers a solution for the hygienic flow measurement of media with variable flow rates through a pipe, such as beer, milk or fruit juice.
Read more...Case History 197: Bad reboiler temperature control. Michael Brown Control Engineering
Editor's Choice Flow Measurement & Control
It is very important that reboiler temperature controls operate well in petrochemical refineries, or the product quality can really suffer. I was asked to check such a control in a refinery where they were having problems with one of these controls.
Read more...Precision measurement for ultra-pure water systems Anton Paar
Flow Measurement & Control
[Sponsored] Ultra-pure water (UPW) is essential in industries where even minor contaminants can impact product quality and process integrity. Anton Paar’s L-Cor Coriolis mass flowmeters provide a highly accurate and hygienic solution by directly measuring the mass of the liquid using the Coriolis effect, ensuring a high level of cleanliness.
Read more...Radiometric density measurements Mecosa
Flow Measurement & Control
Radiometric density measurements are used wherever conventional measurement techniques fail. Successful applications can be found in a wide variety of industries, especially where harsh process environments and difficult measuring conditions prevail.
Read more...Battery-powered magmeter
Flow Measurement & Control
The RWEM/D battery-powered electromagnetic flow meter from Royce Water Systems is ideal for water and wastewater systems located at remote sites.
printer friendly version