Test & Measurement

Sphere Versus 45°/0° Versus Multi-angle: A Discussion Of Industrial Use Cases

With over 150 years of combined experience, the leader in the color management business, X-Rite Pantone will help you define, specify, measure and manage accurate color across the entire color supply chain. Right the first time, right every time.

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Magnetic Encoders

POSITAL (Hamilton, NJ) introduced new models of IXARC magnetic encoders that combine incremental and absolute rotation measurement capabilities in a single, compact package. Absolute encoders provide a control system with a report of the rotational angle and rotation count at a specific point in time; incremental encoders provide a signal pulse each time the encoder shaft rotates by a specified angle. The hybrid encoders are based on the company’s magnetic measurement technology, and offer shock, dust, and moisture resistance. The hybrid incremental and absolute rotary encoders have communications interfaces that support both measurement modes: RS-422, HTL, or TTL for incremental readings; and SSI for absolute measurements. Available multi-turn versions can count up to 64,000 revolutions, while incremental measurements have resolutions as high as 16,384 pulses per revolution. For Free Info Visit http://info.hotims.com/55588-300

Posted in: Products, Measuring Instruments

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Product of the Month: March 2015

Instron, Norwood, MA, introduced the AVE 2 strain measurement system that conforms to testing standards such as ISO 527, ASTM D3039, and ASTM D638. The video extensometer utilizes patented measurement technology, and adapts to the normal fluctuations of indoor environmental conditions. It can be adapted to any testing machine that uses a ±10V analog input. Designed to reduce errors from thermal and lighting variations, the device uses the real-time 490-Hz data rate while achieving a 1-micron accuracy. It allows for testing under multiple environmental conditions and can be used for strain measurement with Digital Image Correlation (DIC). The device measures both modulus and strain-to-failure of most materials including plastics, metals, composites, textiles, films, and bio-materials.

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Computed Tomography Systems

JG&A Metrology Center (Detroit, MI) introduced increased flat panel sizes for computed tomography (CT) systems. Cone beam systems now utilize flat panel technology and scan parts up to 14" (350 mm) in diameter. With increases in LDA sizes as well, the CT systems use line detector array technology when scanning parts up to 26" (650 mm) in diameter. The equipment is used to provide 3D internal part inspection using industrial CT equipment.

Posted in: Products, Detectors

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Data Acquisition and Control

Dataforth Corp. (Tucson, AZ) introduced the MAQ20® industrial data acquisition and control system that features an analog resistance input module for channel protection. It interfaces to three types of 3-wire sensors: 100Ω Pt, 120Ω Ni RTDs, and potentiometers up to 5kΩ. The module has six input channels, each of which is protected up to 240 Vrms continuous overload in case of inadvertent wiring errors. Overloaded channels do not adversely affect other channels in the module. Transient protection is per the ANSI/IEEE C37.90.1 standard; input-to-bus isolation is 1500Vrms. The system can individually configure channels for sensor, range, alarm limits, and averaging. While all channels are enabled by default, those not used can be disabled to increase the sampling rate of channels enabled for scanning.

Posted in: Products, Data Acquisition, Sensors

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Digital Meter

The New Technology Meter (NTM) digital meter from OTEK Corp. (Tucson, AZ) measures and controls processes while operating with less than 50mW of power. It features a full tricolor bargraph with 2% resolution and four alarm set points. The meter includes isolated serial I/O, isolated O.C.T. or SPDT relays, and isolated analog output with P or PID algorithm. Signal failure (open or short) detection with date and time transmission is included. The meter is available in over 30 different input signals in loop or signal powered versions. The meter replaces fit, form, and function of any 6 × 1.74" panel cutout, and has up to two channels. It is available in an industrial plastic or a metal housing, and can meet nuclear or military grades.

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Passive Oscilloscope Probes

The models 702902 and 702906 from Yokogawa Corporation of America (Newnan, GA) are 10:1 passive oscilloscope probes that operate over a temperature range from -40 to + 85 °C. They are suited for accelerated testing and validation methods where temperature cycling is part of the test procedure. The 702902 is designed for use with the isolated BNC input modules of Yokogawa’s DL850E ScopeCorder family; the 702906 is for use with the non-isolated BNC inputs of the DLM4000 and DLM2000 series of oscilloscopes.

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