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Sensors • LVDTs

LVDTs are a common type of electromechanical transducer that can convert the rectilinear motion of an object (to which it is coupled mechanically) into a corresponding electrical signal.

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  • Macro Sensors, Div. of Howard A. Schaevitz Technologies

    Macro Sensors offers spring loaded, separate core, and custom LVDTs. GHSA/GHSAR Series spring loaded AC-operated LVDTs come in operating temperatures ranging from -65 to +220°F, input frequencies from 2.5 to 3.0 kHz, and ranges from ±0.050" to ±2.00". These position sensors are environmentally sealed to IEC IP-68, and they are available in low pressure spring-retract/air-extend versions. They have applications for large shaft TIR measurements, material testing apparatuses, fabricated metal products gaging, electronic dial indicators, and industrial gaging systems.

  • Measurement Specialties, Inc.

    Measurement Specialties, Inc. offers LVTDs in the following configurations: AC, DC, signal conditioning, and transmitter or transmitter system. DC operated Schaevitz and MEAS LVDTs feature digital, current, or scaled DC voltage outputs, and they are powered with bi or uni-polar DC voltages. These sensors come in 0.750" diameters and ranges from ±0.050" to ±10.000". They are equipped with built-in signal conditioning electronics, and they require no calibration or special signal conditioning.

  • AMETEK Solartron Metrology

    AMETEK Solartron Metrology offers S Series, DC miniature, and AC miniature LVDTs. S Series LVDT displacement transducers feature measurement ranges from 5 to 150mm, <0.02 linearity, hermetic sealing options, and IP65/67 protection. These transducers come with a stainless steel body and new polymer guides, which contributes to their reliability, accuracy, and workability (even in corrosive or wet conditions). Even when fitted with on-board signal conditioning, these transducers can maintain an unusually large bore to core clearance throughout the range.

  • Trans-Tek, Inc.

    Trans-Tek, Inc. offers AC to AC and DC to DC LVDTs. Series 210-220 long stroke AC LVDTs have precision measurement ranges from ±0.25" to ±30", operating temperatures ranging from -67 to 400°F, 3 to 7 kHz frequency of excitation, and OD housing sizes up to 0.75". These sensors are ideally suited for DC-DC operations, and they employ variable pitch wound secondary coils to maximize package lengths and provide a seamless/highly accurate output signal.

  • Omega Engineering, Inc.

    Omega Engineering, Inc. offers AC LVDTs, DC LVDTs, and AC LVDT instrumentation. High accuracy AC LVDT displacement sensors are equipped with new polymer guides, rigid carriers, 19mm stainless steel bodies, guided cores, removable springs, and improved IP 67-rated seals. These sensors are capable of 2.5 to 75mm of travel, operating temperatures ranging from -40 to 120°C, <0.2% linearity, and a 5±0.5 kHz excitation frequency. They are reliable and accurate, even in corrosive or wet conditions.

  • RDP Electrosense Inc

    RDP Electrosense, Inc. offers LVDTs in a wide range of configurations, including: ACT Series, D5/D6 Series, DCTH Series DC to DC, GT Series precision, and LDC Series DC to DC. D5/D6 LVDT displacement transducers are stainless steel, miniature, highly accurate, robust, reliable, high in cycle life, and capable of infinite resolutions. These sensors have operating temperature ranges from -4 to 257°F, 100k Ohms output loads, and acceptable excitation/supply ratings ranging from 2 to 10 kHz.

  • P3 America Inc

    P3 America, Inc. offers shaft spring return, frictionless armature, and self-aligning rod-end LVDTs. These LVDTs have the following features: operating temperatures ranging from 0 to +60°C, stroke lengths ranging from 2 to 200mm, supply voltages up to 24 VDC, output signals ranging from 0 to +15V, and <0.75% in linearity ratings.

  • Newark

    Newark offers LVDTs in multiple configurations. These sensors feature power ratings up to 200 mW, linear ranges from 25 to 750mm, operating temperatures ranging from -65 to 125°C, and lengths ranging from 41 to 995.4mm. They have insulation resistance ratings up to 1 Gohm, insulation testing voltages up to 600V, and dielectric withstand voltages up to 1 kV. Transducer options include: current, linear motion, distance transformer, precision linear, and linear position.

  • G.W. Lisk Co., Inc.

    G.W. Lisk Co., Inc. manufactures LVDTs for a variety of critical applications, including: sub-sea, hydraulic control, military, and aerospace. These sensors have the following features: accuracies in the range of 1/2%, stroke ranges from 0.010" to 20", AC/DC inputs, customizable interfaces/mountings, and operating environments ranging from high pressures to subzero temperatures.

  • Sentech Inc

    Sentech, Inc. offers LVDTs in a variety of mounting options, including: brackets, flange mounts, SAE hydraulic fittings, mounting blocks, etc. These sensors feature contact-less operations, ongoing performance abilities without degradation, isolation tube options, pressure sealed units, and a variety of input/output combinations for DC/DC units. They come in OD sizes ranging from 0.312" to 1.500", connector or cable terminations, units with large clearances, and high stroke to body length ratios.