Sensors/Data Acquisition

Magnetic Reed Sensors

Littelfuse (Chicago, IL) has introduced the 59022 Series Firecracker Reed Sensor, a compact, cylindrical, magnetically operated device capable of switching up to 265 Vac/300 Vdc at 10 Watt/VA. The sensor has a 5.8 mm diameter, and circuit designers may choose from normally open, normally closed, or change-over contacts. The magnetically operated proximity sensor functions through non-ferrous materials, such as wood, plastic, or aluminum. Custom cable length and connector options are available. For Free Info Visit http://info.hotims.com/55595-150

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Detection Sensors

H18 SureSense sensors from SICK (Minneapolis, MN) detect objects in a variety of environments and ensure machines and lines operate at full capacity. The IP 69K-rated sensors feature a signal strength light bar that alerts users to maintenance and alignment issues. Other capabilities include configurable part selection; LED and laser; AutoAdapt material detection; VISTAL housing; and AC/DC power. For Free Info Visit http://info.hotims.com/55595-154

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Photoelectric Sensors

The S18-2 compact photoelectric sensors from Banner Engineering (Minneapolis, MN) are now available in fixed-field background suppression mode configurations. The compact, self-contained sensors provide up to six detection ranges from 30 to 200 mm. Resistant to fluorescent light, the components also feature a small, bright red LED emitter beam.

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Voltage Sensors

Sendyne (New York, NY) has released the SFP102MOD, a shunt-based enclosed module capable of current measurements to 375 A, with 45 μA resolution. The module achieves ±0.25% accuracy for current magnitudes, as long as the module is within the operating temperature range of -40 °C to +125 °C. When attached to properly-sized cables/bus-bars, the SFP102MOD operates with 200 A continuous current, producing less than 45 °C temperature rise. Individually calibrated units are available.

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Motion Sensors

Bosch Sensortec (Kusterdingen, Germany) has announced the BMF055, a compact, programmable 9-axis motion sensor. The new sensor from Bosch Sensortec’s Application-Specific Sensor Node (ASSN) family combines a triaxial 16 bit gyroscope with a range of ± 2000 degrees per second; a triaxial geomagnetic sensor; and a 32 bit Cortex M0+ microcontroller from Atmel. The sensor measures 5.2 × 3.8 × 1.1 mm3. For Free Info Visit http://info.hotims.com/55595-155

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Sense Element Pump Ripple Fatigue

Aerospace sensor technology is plagued by the balance between sensitivity and durability. As devices become more fragile in the pursuit of achieving higher accuracy they find themselves torn apart in the process. Hydra-Electric solves this using a special sense element of stainless steel construction capable of withstanding the harshest pressure spike environments without the use of a snubber. Using finite element analysis, it was revealed that near infinite fatigue life is achieved even in high pressure applications. This demonstrates the superiority of a stainless steel flexure sense element over conventional piezoresistive silicon (PRT).

Posted in: White Papers, Data Acquisition, Sensors

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The Need for Speed

With today’s engineering challenges, the need for non-contact, high speed thermal measurement has never been greater. Traditional forms of temperature measurement such as thermocouples and spot pyrometers do not offer the resolution or speed required to fully characterize high speed thermal devices and provide adequate temperature measurement. Infrared cameras offer thousands, even millions, of points of non-contact high speed thermal measurement. However, not all infrared detectors are created equal. Here we’ll discuss the most common types of thermal infrared detectors and the capabilities as well as limitations of each. You’ll find this discussion helpful for solving applications involving fast moving targets or targets with fast thermal slew rates and the following information will provide the knowledge base to ensure measurements are reliable, avoiding a “garbage in, garbage out” situation.

Posted in: White Papers, Cameras, Data Acquisition, Detectors

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