CONTROLS & INSTRUMENTATION The sound of accuracy – Balluff Ultrasonic Sensors
Sensor specialist and networking provider Balluff has expanded the product range with ultrasonic sensors. When used for object detection, distance measurement or sensing powdery and liquid media: Balluff ultrasonic sensors are precision all-rounders. They do their job regardless of colour, transparency or surface composition of the object, continuously and accurately. Even difficult light conditions such as dark and opaque or transparent and reflecting objects are no challenge. When long ranges and high accuracy are demanded, ultrasonic sensors are up to the task. In dusty, humid and misty environments they are often even the only alternative. Balluff ultrasonic sensors with IP 67 enclosure rating can also replace multiple traditional sensors or provide additional distance information, since some versions in the cylindrical M30 housing feature an analogue output with 2 additional switching points.
Ultrasonic sensors in the M12 housing are not only ideal for detecting small parts, but also for the tightest mounting spaces. Their high resolution and minimal blind zone ensure
the highest precision. At close range they can detect virtually any material, even in critical environments like fog, steam, dust and dirt. And with their rugged stainless steel housing these versatile sensors are at home even in harsh conditions, whereas their big brother in the M18 housing stands out with impressive sensing ranges of up to 1500 mm. Especially interesting for the user is the fact that some models
can take over
the function of multiple sensors. One or two switching points can be set on one ultrasonic sensor, an analogue measurement can be taken, or one
analogue output signal combined with two switching points.
Selected Balluff ultrasonic sensors cab to be synchronized, with the advantage that sensors which are located adjacent to each other do not exhibit mutual interference. For long ranges there is also a maxi- sensor with optional switching or analogue output. For more information about Balluff product range contact 0161 282 4700, Email:
sales@balluff.co.uk www.balluff.co.uk
World first... Universal voltage
With immediate effect, the rotating paddle switches of the renowned series Rotonivo RN3000, RN6000 and RN4000 are available with universal voltage
electronics without the
requirement for a manual voltage selection jumper.
This means that these level switches can now be used anywhere in the world regardless of the country’s input voltage system, without the need for manual alteration to the paddle switch. The instrument detects the input
voltage present and makes the necessary adjustments automatically.
Manufacturers and suppliers of storage systems can now order one paddle switch, under one part number, to meet the requirements for all applications in all countries. • The RN3000/6000 and RN4000 range of switches now run with an internal heating system. As a result of this, the paddle switches are suitable for applications in conditions of down to -40°C.
• The RN3000/6000 and RN4000 range now includes a new adjustable time delay system which allows for customisation of actuation of the switch.
22 Bulk Solids Today
• The sealing between the silo and the switch is now improved by the addition of a flat, rubber gasket which eliminates leakage and the need for PTFE thread tape.
• Negative pressure has now been improved from -0.5 to -0.9 bar in order to make the unit available for all types of production, in all conditions.
Some additional updates and improvements to the RN4000 series include: • Improved stability and more space within the unit which allows for an easier installation process. Also, the head can now rotate 360º which means it can be turned to meet the power supply.
• The addition of a new fail-safe system • New generation cover screws to allow easy handling.
• The RN4000 series now includes a shaft seal within the plastic process connector.
• Threads now available with 1¼’’ (BSP). • Further options: aluminium sockets with ball bearing, selectable extension length, paddle selection.
• Applications available to -40°C with heating available for CE.
The Vibranivo Series - UPDATES
• VN1000/2000/5000 and 6000 are now certified for installations within Zone 20 without intrinsically safe electrical supply. This allows the entire unit to be mounted/installed within an ATEX Zone 20 environment.
• The maximum process pressure is now raised to 16 bar which opens up the unit to be used in a vast range of applications.
• The basic version Vibranivo VN4000, designed with a smaller housing, is now usable for versions CE and ATEX. Again, the process pressure is increased to 16bar and the units are certified with ATEX, ICE Ex, GOST Ex and RTN Ex. UWT is able to provide a comprehensive list of approvals for its products. The following approvals are currently available: ATEX, ICE Ex, GOST Ex, RTN Ex and EHEDG. UWT Level Controls is an ISO certified global supplier of premium level control instrumentation. For the past 33 years, UWT has been a full service supplier of point
and continuous level control instruments which include rotary paddle bin level indicators, vibrating fork level switches, electromechanical plumb-bob systems, and acoustic wave ultrasonic transmitters. Tel: 0845 4810463 Email:
sales@uwtuk.com www.uwtuk.com
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