Sensors & Transducers


Latest Articles

Valve position sensors in new housing style
October 2005, Turck Banner Southern Africa
Turck has announced a new addition to its growing line of valve position sensors, which have been part of Turck's product offering for several years. The original DS20 sensors have provided a quality ...

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Fill level sensors
October 2005, Gail Norton Instrumentation
With compact dimensions (34 mm x 16 mm x 8 mm), the microBOX sensor also excels in terms of easy installation. The sensor itself has two 3 mm mounting boreholes countersunk on both sides, that enable ...

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High-accuracy current transducers
October 2005
LEM's IT 400-S and the IT 700-S are specified respectively for 400 and 700 A rms nominal. As with other members of the family, they offer very high accuracy, based on resolution better than 0,05 ppm, ...

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IS vibration sensor
October 2005, PREI Instrumentation
The Metrix model ST5484E from PREI Instrumentation has been rated EEx ia 11C T4 intrinsically safe and may be used in potentially explosive atmospheres. This vibration sensor is a 2-wire loop-powered ...

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Measuring ultrasonically
October 2005
Proximity switches, capacitive and photoelectric sensors are capable of detecting objects within fixed distances. However, these measurements are depending on surface structure, colour and material of ...

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Absolute encoders with DeviceNet interface
October 2005, ATI Systems
DeviceNet rotary encoders from Fraba Posital are now also available with plug connectors or cable exits, providing new interface alternatives to their proven cap connection units. The company has simultaneously ...

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Proximity sensors for metal detection
September 2005, Turck Banner Southern Africa
Factor 1 sensors are equally sensitive to all metals.

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Tribo-electric dust sensor characteristics
September 2005, Environmental Process Analytics
DC tribo-electric devices are only slightly influenced by particle size distribution, whereas AC devices possess an unpredictable sensitivity to velocity and gas temperature effects, limiting their calibration to one particular plant condition only.

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Earth leakage transducers
September 2005
LEM is offering the CT family of current transducers for use in a range of safety applications including solar installations. The new transducers measure an AC or DC leakage current of 30 mA or more (with ...

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Sensing volatile organic gas compounds
September 2005
Various sensor technologies are currently used for the detection of toxic and combustible gases. The most common ones are solid state, catalytic bead, electrochemical, infrared and photo-ionisation detectors. ...

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Light curtains in commercial laundries
September 2005
The processing of commercial laundry has now become very automated and processing as much laundry as possible, as quick as possible, is very important. Although some laundry batches are charged and processed ...

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Fast optical width-sensor
September 2005, Temperature Controls
Baumer has designed and developed the ParCon line sensor for the accurate side measurement of web edges, measuring the width of objects or detecting small objects. There is a 25 mm wide parallel beam ...

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Versatile sensing solutions
September 2005
Telco sensors have built up a reputation for rugged dependability, often under awkward and hostile operating conditions. Telco conducts annual seminars where its teams from around the world share some ...

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Rugged inductive conductivity sensor
September 2005, Microsep
The new Mettler Toledo Ingold InPro 7250 series is an enhanced inductive conductivity sensor that follows the successful InPro 7200 series. It is designed for conductivity applications in tough conditions, ...

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High accuracy current transducers
September 2005
LEM SA of Geneva, Switzerland, has released the ITB 300-S high accuracy current transducer, with the following characteristics:    * Nominal primary current: 300 A RMS AC or DC.    * Linearity: 0,001%.    ...

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Sensors detect glass and transparent plastic
September 2005
In the past, the detection of transparent material required complicated adjustment of the sensor to the application. IFM Electronic's new system consists of a retro-reflective sensor with polarisation ...

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Ultrasonic sensors with two outputs
September 2005, Instrotech
Instrotech's range of Senix ultrasonic sensors is intended for non-contact air distance measurement operating from 50 mm to 11,3 m. The design is suitable for material sensing - and is unaffected by object ...

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Short C-slot cylinder sensor
September 2005
Following the success of IFM Electronic's innovative T-slot cylinder sensor, the company has introduced the MK53 series of short C-slot cylinder sensors that are real alternatives to the reed switch. ...

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Versatile valve sensor with DeviceNet
September 2005, Turck Banner Southern Africa
Turck is offering a new valve position sensor that allows for direct connection to DeviceNet field bus networks, the Ni 4-DSU35-2DNETX5-H1150. It is a durable solid-state sensor designed for use in a ...

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Rugged hollow shaft encoder
September 2005, Temperature Controls
Baumer Electric has repackaged the magnetised rotor and sensor in a 58 mm hollow shaft encoder housing. Called the EcoMag, this incremental encoder is rugged and economical, based on proven magnetic technology. ...

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