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A controlled reference or acknowledged technical criterion.

See Also: IEC, IEEE, Mil, Interoperability Test, Compliance


Showing results: 2731 - 2745 of 6648 items found.

  • Sound Level Indicators

    PCE Instruments

    A sound level meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the sound level meter and acoustic measurement values are shown on the display of the sound level meter. The most common unit of acoustic measurement for sound is the decibel (dB); however, some sound level meter devices also determine the equivalent continuous sound level (Leq) and other acoustic parameters. With a portable sound level meter, industrial hygiene and workplace safety professionals can measure sound levels in multiple locations to ensure environmental conditions fall within recommended exposure limits (RELs). Some sound level meter devices can be permanently installed for continuous monitoring of sound levels at a work or job site.An important attribute to consider when searching for a suitable sound level meter is its type or class. The type or class of a sound level meter defines the device's accuracy as per American National Standards Institute (ANSI) or International Electrotechnical Commission (IEC) guidelines. Typically, "type" is the grade according to the ANSI S1.4 standard, whereas "class" is the grade according to the IEC 61672 standard. There are two types or classes assigned to sound level meters: type 1 / class 1 or type 2 / class 2. For assessing noise in basic industrial, commercial, educational, recreational or residential applications, a type 2 / class 2 sound level meter usually will suffice. For precision-grade assessments often made in a laboratory, a type 1 / class 1 sound level meter primarily is used. PCE sound level meter products are lightweight, easy-to-use and manufactured in accordance with the highest industrial standards.

  • CoalXPress Frame Grabber

    Xtium-CXP PX8 - Teledyne DALSA

    The Xtium™-CXP is based on the industry standard PCI Express™ Gen 2.0 expansion bus to deliver high speed access to host memory. The Xtium series offers high performance frame grabbers for CameraLink, CameraLink HS and CoaXPress interface standards. The Xtium Series takes full advantage of PCIe Gen 2.0 platform to deliver bandwidth up to 3.4 GB/s using PCIe x8 slots. By enabling maximum sustained throughput and ready-to-use image data, the Xtium series minimizes CPU usage and improves processing times for the host applications. In addition, the Xtium series offers enhanced memory architecture to handle area and line scan, monochrome and color cameras. In addition, the Xtium-CXP series support image acquisition rate of up to 6.25 Gb/s from four input channels.

  • Gravelometer Testing

    National Technical Systems

    Gravelometer testing is designed to evaluate the resistance of vehicle surface coatings (paint, clear coats, metallic plating, etc.) to chipping caused by the impacts of gravel and other flying objects in accordance with SAE and ASTM standards. The primary usage of this test is to simulate the effects of the impact of gravel or other debris on automotive parts. Test samples are typically mounted in the back of the Gravelometer, and air pressure is used to project 1 pint (approximately 300 pieces) of gravel at the sample. The test sample is then removed and gently wiped off with a clean cloth. Tape is then applied to the entire tested surface. Removal of the tape then pulls off any loose fragments of the coating. The appearance of the tested sample is then compared to standard transparencies supplied by SAE to determine the chipping ratings. Visual examination can also be used to describe where in the coating/substrate system that the failure has been induced.

  • Rectangular Horn Antennas

    ERAVANT

    SAGE Millimeter wave rectangular gain horns, also called pyramidal gain horns, are offered as both standard and custom models with a rectangular waveguide interface. The pyramidal gain horns only support linear polarization. With a calibrated gain chart, these horns can be used to measure the gain of other antennas by comparing the generated signal levels of both. For this reason, these horns are also referred to as standard gain horns. The listed models offer 23 dB nominal gain, 10/11 degrees typical half power beamwidth and 14 dB/30 dB typical side lobe levels at the center frequency of the band. These horns cover full waveguide bandwidths within the frequency range of 8.2 to 170 GHz. In addition to the models listed below, models with 10, 15, 20 and 25 dB gain and other frequency bands are also available.

  • Vibration And Packaging Equipment

    LR Environmental Equipment Co. Inc.

    LR/RAD Drop Testers are available to simulate the impact a package would encounter during handling and shipment. The machine is air actuated to provide a reliable long life. Drop height ranges from 12-60 inches.The Drop Tester is supplied with a variety of standard features to earn its reputation as the industry standard: motor hoist with hand held control box to automatically raise and lower drop arm with package in place, Microswitch to preset drop height for repeatable drops, drop height indicator, remote hand switch actuated and a one inch vertical drop prior to drop arm swing to insure that package is not subject to rotation. LR/RAD Drop Testers are designed so packages may be released from any angle and be assured of landing in the same position. Special fixtures are available to allow for corner and edge drops.

  • Three Phase AC Voltage Source

    EAC-TAVS - Electronic Test & Power Systems

    The EAC-TAVS is a series of programmable high power AC voltage sources. Each system provides a three phase true sinewave output as standard. Each unit is built in a freestanding cabinet. The output frequency is adjustable in the range of 45 - 105Hz. Different frequency ranges are optional, with up to 805Hz possible. An RS-232 and CAN interface are provided as standard. The high resolution TFT front panel displays a host of measurement and setting functions. Besides standard models, other nominal power levels and voltages can be user specified. Single phase and bidirectional versions are available on request.

  • Arbitrary Function Generators

    Marvin Test Solutions, Inc.

    PXI Arbitrary Waveform and Programmable Function Generators as well as DC source cards and a precision standards module.

  • Multi-function Instrumentation

    Marvin Test Solutions, Inc.

    PXI Arbitrary Waveform and Programmable Function Generators as well as DC source cards and a precision standards module.

  • D/A Converters And Precision DC Source Instrumentation

    Marvin Test Solutions, Inc.

    PXI Arbitrary Waveform and Programmable Function Generators as well as DC source cards and a precision standards module.

  • PXI Stimuli Instrumentation

    Terotest Systems Ltd.

    PXI Arbitrary Waveform and Programmable Function Generators as well as DC source cards and a precision standards module.

  • Climate Chamber

    VCH-A18 - VREMYA-CH JS Company

    The climatic chamber is designed to maintain a stable temperature of frequency and time standards and other high-precision electronic devices.

  • Compact Gamma Ray Detector

    EV-CPG - Kromek Group plc

    The EV-CPG compact gamma ray detector is perfect for a wide range of nuclear spectroscopy needs. This compact gamma detector is ideal for applications requiring high efficiency, high resolution, and room temperature operation. The compact size and rugged design allow for use in harsh or restrictive environments. Available in standard sizes of 10x10x10mm3 and 10x10x7.5mm3. Other sizes available in limited quantities.

  • Copy Tools

    DemiXG3031 - YEC Co. LTD

    Built-in standard SATA/SAS interface, ATA/SCSI/FC-HDD also supported by installing optional board. (Also supports SATA II)Built-in evidence preservation functions including hash generation (MD5, SHA1, and SHA256) and DD image creation.Built-in LAN interface.HDD data on a computer can be copied to HDD connected to this product via LAN using the utility software (sold separately).

  • Custom Cabling with the Cable Design Tool

    Pickering Interfaces Ltd.

    The first step to creating a custom cable assembly is by using our free online Cable Design Tool—with this tool, you can graphically design your custom cable assembly by using either our built-in library of standard cable sets or create them from scratch. Once completed, our engineers will generate a competitive quote for your cable requirements.

  • CXAR Custom Chassis

    Cytec Corp.

    Cytec has a complete metal fabrication shop and a laser etching machine so we can build custom systems with very low NRE. Module arrangement, custom labeling, custom configurations are done fairly easily and nearly 50% of the systems we build are not shown in our standard product line. Don't see what you need? Just ask!

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