Sensors/Data Acquisition

Touchless Variable Gap Sensor

PIHER Sensors and Controls S.A. (Brighton MI), a Meggitt company, has introduced a two-piece magnetic Hall effect variable gap sensor that maintains stable electrical output and specified linearity on mobile shafts, despite radial and axial movement. A circular arc magnet is attached to rotating shafts or assemblies, such as boom loaders, skid steers, buckets, and hitch arms; the electronics module is attached to the chassis. For Free Info Visit http://info.hotims.com/61062-146

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Sensor Kits

The UFS (Universal Fluid Sensor) line of sensor kits from Pillar Point Electronics (Sarasota, FL) uses an infrared (IR) emitter and microprocessor to detect the presence of air in tanks or lines containing non-particulate bearing liquids, such as fuel, water, and hydraulic fluid. The UFS-AN is a modified AN912-2D bushing. Designed for in-tank applications, a clear, cylindrical cast acrylic prism is potted into the fitting in contact with the fuel or other non-particulate bearing liquid. Custom versions of the product can be made for specific applications. For Free Info Visit http://info.hotims.com/61062-152

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Spectroradiometer

The RS-3500 field portable spectro-radiometer from Spectral Evolution (Lawrence, MA) supports fast, non-destructive remote sensing applications, such as chlorophyll/moisture analysis, plant species identification, and forest canopy studies. The 7-lb RS-3500 features no moving optical parts.

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Proximity Sensor

Littelfuse (Chicago, IL) has released the 59040 Series press-fit reed sensor. No screws, brackets, or attachment accessories are needed for installation. The magnetically operated Firecracker sensor press-fits securely into a 3/8" (9.5 mm) diameter hole.

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Current Sensors

TDK Corporation (Tokyo, Japan/Irving, TX) has added the new 600-A CCT series to its clamp AC current sensors. The CCT406393-600-36 sensor has a clamp inner diameter of 36 mm and external dimensions of 56 × 67× 96 mm. Output current is 200 mA.

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Three-Axis Magnetic Sensor

MEMSIC (Andover, MA) offers the MMC3630KJ magnetometer for portable devices. The magnetometer includes an integrated monolithic 3-axis AMR sensor and a signal conditioning ASIC. The BGA package measures 1.2 × 1.2 × 0.5 mm, and the MMC3630KJ reaches ±30G range. With 600Hz magnetic sensing bandwidth, the series includes a self-degaussing feature, which eliminates the output drift due to temperature change and residual magnetics. The products also include an interruption feature, used for motion detection and data acquisition notifications, to lower system-level power consumption. For Free Info Visit http://info.hotims.com/61062-150

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Pressure Sensors

All Sensors Corp. (Morgan Hill, CA) has announced the SPM 401 Series of stainless-steel, media-isolated pressure sensors. The pressure sensor is compatible with 316L stainless steel, a type of steel that increases corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at high temperatures. The piezoresistive sensor chip is housed in a fluidfilled cylindrical cavity and isolated from measured media. The thermally compensated device has a millivolt output of up to 180mV at a 1mA supply current. Devices are available in 1.5, 3, 5, 15, 30, 50, and 100 PSI. Other features include pressure ranges 1.5 to 100 psi; vacuum resistance; O-ring mounting; thermally compensated and passive calibrated (offset) mV output; and supply current of 1 mA. For Free Info Visit http://info.hotims.com/61062-151

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