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The AF111 and AF145 ranges of high accuracy LVDT displacement transducers have been designed primarily for use in the ratiometric configuration (difference over sum), and have a very compact size, with stroke lengths from 5mm to 150mm.
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With our new Laser-Distance Sensors DLS-B you measure absolute distances up to 500 meters. Thanks to state of the art laser technology the DLS-B device measures with a precision of 1.5 millimeters. It represents a cost efficient solution even at extreme environment temperatures as low as -40° C.
The DLS-B is an optical measuring device. You can measure, maintenance-free, distances on natural and reflective surfaces. You determine positions on objects difficult to access or with very high surface temperatures. Just as well you can measure distances in an aggressive environment in an easy and accurate way.
Serial, analog and digital interfaces are standard features for the complete DLS-B product line. This enables you to easily connect the DLS-B to a control system (SPS, IPC or PC)
The DLS-B device runs in a “Stand-alone-mode” and independently executes all programmed functions. Thanks to the flexible range of functions an external display can be connected directly to the DLS-B device via interface RS232 or RS422. Via a digital input, measurements can also be activated from an external button or switch.
For easy configuration of the DLS-B devices, the necessary software is at your disposal.
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Linear Variable Differential Transformers (LVDT) :
Linear Variable Differential Transformers are ideal for applications in harsh industrial environments such as high temperature and pressure applications, dynamic applications and long term cycles.
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HBM’s range of inductive displacement transducers are intended for use in a wide range of applications in the R&D, manufacturing and construction industries. The main fields of application include:
Experimental mechanics
Test rig engineering
Automation technology
Production monitoring
Press fit operations
Hydraulic cylinder applications
Crack monitoring and detection on buildings
Movement monitoring on structures
Materials testing
Our displacement sensors are extremely compact and ruggedised, insensitive to dirt and thermally insensitive.
The WA series of inductive displacement transducers is used for larger displacements up to 500 mm. Available in either probe or plunger versions, this rugged family of inductive displacement transducers combines very good linearity with excellent thermal behaviour in the shortest possible overall length. The pressure-resistant characteristics of this transducer make it ideal for measuring displacement in hydraulic cylinders.
The WE inductive OEM displacement transducers is especially suited for the automation of many displacement measurement tasks.
The compact transducers of the new WI miniature displacement transducers and the WI-EL and WET complementary series are suitable for small displacements.
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Subminiature Linear Gauge
Features and Benefits :
- Available with sub-micron resolution and long stroke range
- Operating temperature to 175°C
- Frequency response up to 20 kHz
- Lightweight core will not influence frequency response
- Stainless steel and high-performance polymer design suitable for extremely harsh environments
- Waterproof, suitable for submersion in corrosive media such as brake fluid and hot saline
- Frictionless design suitable for high duty-cycle applications
- Easily customized to suit specific application
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We offer modification to our standard range of displacement transducers for high temperature capability, as well as versions specially designed for both high temperature and high radiation environments including non-contact, proximity types.
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ELAP product range includes different types of linear transducers, eg. traditional optical scales, and the innovative digital series named PD/PE.
Optical scales
Thanks to their excellent reading resolution they are traditionally preferred when dealing with machine tools.
- series KD: strokes up to 20 metres, in modular version
- series KP: thanks to its reduced dimensions it represents the best solution on small-sized machine tools or in case of narrow passages.
Great accuracy, easy mounting, high protection degree: PD/PE characteristics make them fit to industrial machines on any field.
- measuring range: 60 to 990 mm
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Valve Position Transducer (LVDT)
Some valve position measurements incorporate a linear, rather than rotary, mechanical linkage. Our AC LVDT is designed for such applications and is available in ranges from 1.0 to 28.0 inches (25 to 703 mm).
measurement of governor valves on the steam turbine. By measuring the
opening of these valves, the amount of steam flowing to the individual valves in the group can be monitored and adjusted to provide highest machine operating efficiency.
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Velocity Transducer Systems - 9200 and 74712
These are 2-wire, moving-coil velocity transducers, designed for general purpose velocity measurements. For most applications, however, we recommend the use of our Velomitor® piezo-velocity sensors.
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Honeywell offers a variety of AC and DC LVDT transducers to meet requirements of most single- and multiple-point industrial gauging applications as well as micro-displacement. Available with free unguided, captive spring return, and captive guided armatures. Features include rugged stainless steel construction, ranges from ±0.1” to ± 18.5”, and operating temperature from -58° to 257°F. Submersible underwater connectors are also offered. Custom engineering and design solutions available.
Contact us for a copy of our Sensors for Test and Measurement catalog.
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Our wide range includes LVDT Displacement Transducers, Magnetostrictive Transducers, Non-contact Displacement Transducers, Draw Wire Transducers and Intrinsically Safe Systems.
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• LVDT technology
• Measuring stroke from ±1mm to ±300mm
• Miniature transducers
• DC output (with external or internal electronics)
• Low cost version
• High temperature (200°C) version
• Submersible (100 Bar) version
• Custom design transducers
From checking the notes issued by an automatic cash dispenser to controlling the active suspension on the Thrust SSC, Solartron's wide range of LVDT displacement transducers measure to laboratory standards in the real world conditions of vibration, shock and temperature.
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DC operated Linear Variable Differential Transformers (LVDTs) have signal conditioning electronics built into the LVDT and require no calibration or special signal conditioning. Units can be powered with uni- or bi-polar DC voltages and have scaled DC voltage, current or digital outputs. Ranges from +/-0.050” to +/-10.000” are available.
Position Sensor - DC-EC Series
Description: The DC–EC AccuSens™ Series incorporates a unique monolithic chip combined with a computer-designed AC LVDT to achieve premium performance. The ratiometric design of the monolithic circuitry compensates for power supply deviations for continuously stable operation. Unaffected by input variations, the transducer provides highly accurate, repeatable measurement. Innovative manufacturing techniques further enhance the AccuSens operation and cost efficiency. Micro-miniature components used in the construction of each unit are selected for maximum stability. Vacuum encapsulation of all elements produces an assembly tolerant to shock, vibration and other forms of physical abuse. Double magnetic shielding protects against stray electrical fields.
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Balluff Micropulse transducers are the rugged transducers for use under extreme ambient conditions with stroke lengths between 50 and 4000 mm. Various output signal options are available for integration into your specific control system. Processor cards with a variety of programming functions are also offered.
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Small and compact sensors allow minute movements to be measured in situations where space may be limited.
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DS Europe produces series PC magnetostrictive linear displacement transducers.
Measuring ranges: 0 to 100 up to 3000mmFS.
Outputs: 10V, 4-20mA, RS485, RS422, CANopen, SSI, Start Stop.
Advantages: no wear (infinite mechanical life), can survive harsh working conditions (vibrations, moisture and dirtiness), good resolution and price.
Applications: automation, hidraulic actuators, converting machines, machine tools, packaging machines, paper machines, vehicles, presses, wood machinery, food machines, medical machines, quarry equipment etc.
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We offer ranges of submersible displacement transducers for displacement measurement in fresh water or non-corrosive liquids, including options with an amplifier built into the housing. For sea-water applications, up to 2.3km depth, we have a range with stainless steel construction.
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The ME50L and ME 34L series are very precise and compact displacement transducers, adapted to industrial and military applications.
All electric and mechanical parameters are adaptable on request.
. MEASURING RANGE : 25 mm to 450 mm
. VERY LARGE ACCURACY : 0,025% to 1% from the Measuring Range
. ALMOST INFINITE RESOLUTION
. VERY LONG SPAN OF LIFE
. WATERPROOF ON REQUEST
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Fagor Automation has manufactured linear and rotary encoders with optic technology since 1975. A technology that beats the rest by its excellent quality and performance.
All this time, Fagor has researched and designed encoders and can now offer one of the highest-quality products on the market as confirmed by the numerous demanding tests carried out by our own customers.
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Highly dynamic NOVOSTRICTIVE measuring system. Secure data transfer with 16 kHz update rate.
Also versions for integration in pneumatic and hydraulic cylinders.
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Foil sensor
Linear foil sensor - FSL
Small dimensions
IP65
Development and production of linear and rotary position transducers
Established in 1960, Contelec, with headquarters in Biel, Switzerland, is part of the German Siedle Group, and employs more than 100 people. Contelec specialises in the engineering and production of high-quality sensors for angular and path measurement. The company’s offering ranges from low-cost, high-quality standard components to individual custom solutions, which can be supplied in small-run production batches. The range includes contact-free and non-contacting rotary position sensors, as well as potentiometers based on conductive plastic, wire or cermet technologies.
Contelec, as international orientated company, exports 80% of its products. A key part of the company is the Contelec Engineering Division, which provides integral services for the engineering and production of complete subassemblies. Contelec has been ISO9001 certified since 1995 and has made its name in the top-end quality segment. The company invests heavily in research and development to ensure that the high innovation rhythm will be maintained into the future. This makes Contelec a strategic solution partner for a wide range of customers, making a significant contribution to the successful development of new products.
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PL serie position linear transducers are potentiometers for industrial applications.
Their characteristics like precision, linearity, compactness and stoutness are well suited for plastic, wood, marble, metal sheet machinery and every applications with absolute measurements of position or displacement.
Mounting is very easy and they are interchangeable with other manufacturers' models.
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Warner Electric has many years of experience in applying sensors and switches in motion control applications. Our broad range of innovative and technologically advanced products offers our customers the exact solution to satisfy their sensing applications needs.
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Trans-Tek Linear Velocity Transducers, or LVTs, provide a simple way to detect speed of an object. Just connect to our internal magnet and push/pull it through the center of the transducer. No excitation required! The motion of the magnet induces a VDC output that is proportional to the velocity of the object being measured. Standard strokes range from ½” up to 24”. Please click the link below to visit our web site (www.transtekinc.com) and view full specs in PDF form.
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SX20M DIGITAL
Numerical sensor LVDT - High Performances
Integrated numerical electronics
Analogical and Numerical exit on M12 connector
Numerical compensation of the errors (drifts, not linearity)
Not linearity < 0,05% EP
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The Columbia DDCP Series transducers are completely self-contained displacement measurement systems that operate from a low voltage DC power supply or battery. They permit highly accurate readout and recording of an output signal directly without auxiliary signal conditioning electronics. These sensors combine a unique linear differential transformer sensing system with a miniature solid-state oscillator / demodulator and amplifier in a compact design. The precisely calibrated scale factor provides an accurate, low impedance voltage output which is directly proportional to the linear movement of the shaft assembly relative to the transducer body.
- EMPERATURE RANGE: -40 to 200 Deg. F
- LINEAR RANGE: 0.2 inch
- INPUT VOLTAGE: +28 VDC Vrms
- LINEARITY Percent Full Range: ±0.25%
- LINEAR RANGE: 0.2 inch
- SENSITIVITY mV 0001: 50 inch
- TERMINATION: 30
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Trans-Tek offers a wide variety of LVDTs for precision linear feedback. Both AC-AC and DC-DC styles are available with total strokes ranging from 0.010" to 60.0" and non-linearity’s of +/-0.10% to +/-0.50%. Free-floating core and spring-loaded versions are found throughout our product lines. You will also see special features such as vented housings for high-pressure applications and units that can be exposed to temperatures of 400°F. Please click the link below to visit our web site (www.transtekinc.com) and view full specs in PDF form.
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PENCIL PROBES WITH HIGH PRECISION POSITION TRANSDUCERS
The Red Crown pencil probes line developed by TESTAR, a MARPOSS division, to fulfil quality control requirements in the workshop is available in four variants:
Basic line:
A family of 52 standard models covering a measuring range from ± 0,5 mm to ± 5 mm. The pencil probes are supplied with full-bridge (LVDT) or half-bridge (HBT) transducer already calibrated for connection to any TESTAR electronic display units.
Compatible line:
A comprehensive list of probes covering the TESTAR standard measuring ranges with appropriate electrical connector and calibrated to comply with your existing electronic display unit.
Unplugged line:
The 52 standard models of the basic line can also be provided without connector. The user can add the necessary connector and perform the appropriate calibration to the electronics in use.
Soft touch line:
Pencil probes especially designed with very low measuring force to directly gauge delicate parts such as glass, TV tubes, car windshields and plastic material.
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1.5-Inch (38-mm) Maximum Travel
Analog Signal Using Precision Conductive Plastic Potentiometer
AccuTrakTMGrooved Drum for Enhanced Repeatability
Small, Robust Design
Choice of Displacement Cable Pull Direction
DirectConnectTM Sensor-To-Drum Technology = Zero Backlash, No Torsion Springs or Clutches
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MT Series
The MTA miniature cable extension transducer combines 0.15% accuracy and 50-million cycle potentiometer life into a small package that gives designers high-performance to fit in small assemblies.
Output Signal: Voltage Divider (potentiometer)
Measurement ranges available are 0-3" and 0-5".
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