Position Sensors

Novotechnik, U.S., Southborough, MA, introduced Vert-X 2900 Series sensors that measure angular position and are available in single or redundant versions. Users can specify configurations including start and end angles for less than 360° maximum range, index point, cw or ccw indication, and nonlinear curves. Features include measurement range to 0 to 360° with repeatability of 0.1°, sample rate to 5 kHz, and operating temperature from -40 to 125 °C.

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Spectrum Analyzer

The Spectran XFR V5 PRO real-time spectrum analyzer from Saelig, Fairport, NY, is a portable, rugged RF detection device that scans a 20-GHz bandwidth in less than 20 mS. Internal GPS also indicates the location of the measured signals. The device is housed in a ruggedized, Windows-based laptop with a sunlight-readable 15.6" display. With an unlimited recording time, the instrument can store several hours of real-time data.

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Rod End Bearings

JW Winco, New Berlin, WI, offers GN 648.1/648.2 steel zinc-plated tapped type or threaded-stem rod end bearings, and GN 648.5/648.6 stainless steel tapped type or threaded-stem bearings. GN 648.1 and 648.2 feature a blue passivated finish; GN 648.5 and 648.6 have a forged and polished stainless steel housing.

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Pressure Sensor

The Model BPS110/BPS120 pressure sensors from Bourns, Riverside, CA, are 0.15 to 1.0 PSI environmental pressure sensors. They are based on MEMS technology and offer fully calibrated and compensated output for industrial, consumer, and medium/low-risk medical designs. The sensors have a Total Error Band (TEB) of 1.5% FS over a temperature range of 0 to 60 °C. They can be used in either analog (BPS110) or digital systems (BPS120).

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Cable Connector

The CABLINE-UM Micro-Coaxial cable connector from I-PEX Connectors, Austin, TX, features 360-degree EMI shielding to protect components against noise in high-speed transmission environments. The right-angle vertical mating type enables it to be placed anywhere on the PCB. The connector is 0.4-mm pitch with a mating height of 2.2 ±0.15 mm (with locking cover) and 2.0 ±0.15 mm (without locking cover).

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Arbitrary Waveform Generator

Zurich Instruments, Zurich, Switzerland, introduced real-time precompensation technology for its HD arbitrary waveform generator (AWG). By inverse filtering, precompensation minimizes effects of imperfections in the wiring and ensures that the signal applied to the device under test equals the signal designed on the AWG. Multiple filter types are available to correct for AC coupling, spurious inductances and capacitances, impedance mismatches, and amplifier ringing.

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Cable Assemblies

Fairview Microwave, an Infinite Electronics brand, Irvine, CA, released coaxial cable assemblies in standard and custom lengths for distributed antenna systems that deliver passive intermodulation (PIM) levels of less than -160 dBc. They are made of flexible, lightweight UL910 plenum-rated RF coaxial cable.

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Swivel Casters

The Revvo Caster Co., Buffalo, NY, introduced Flexello Series 55 Series total lock swivel casters that engage the wheel brake and secure the swivel head. Designed for moving medium to heavy loads in difficult environments, the pressed-steel casters with brakes feature roller bearings and are available in wheel diameters of 6 and 8'' with either rubber-on-cast-iron or polyurethane-on-cast-iron wheel materials.

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Pressure Transducers

DunAn Sensing, San Jose, CA, offers MO Series harsh-media-compatible pressure transducers that feature over-molded packaging and MEMS pressure sensor integration. They are available in various mechanical interface fittings including copper tube, in pressure ranges from 0-15 to 0-750 psi in both absolute and sealed gage.

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Conveyor Modeling

mk North America, Bloomfield, CT, announced the CAD360! online conveyor modeling tool for designing and sharing custom-designed conveyor systems. Users work via the Web on one page without having to navigate to multiple pages or install software. Users input desired values for length, width, and height; select drive location and desired options; and the model is generated. It allows for 2D and 3D models to be downloaded and enables use of PDF and JPG files.

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Proximity Sensors

AutomationDirect, Cumming, GA, offers Contrinex DW Series inductive proximity sensors for harsh environments and standard-duty sensors with quadruple sensing ranges. Available in 4-, 5-, 8-, and 12-mm diameters, the sensors have LED status indicators. The harsh-duty models are available with full stainless steel housings. The series is available with NPN or PNP, normally open, or normally closed outputs.

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PCB Standoffs

PEM® SMTSK™ unthreaded standoffs from PennEngineering®, Danboro, PA, permanently surface mount on PCBs, enabling quick attachment and removal of stacked components without requiring screws or tools. They attach and space components either horizontally or vertically. The standoffs are made of carbon steel in unified lengths of .125, 250, and .375''; in metric lengths of 3, 4, 6, 8, and 10 mm.

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Tech Briefs Magazine

This article first appeared in the May, 2019 issue of Tech Briefs Magazine.

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