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Time Standards

An absolute criterion for measuring time.

See Also: Time, Time Reference, Timers, Time Interval, GPS Time, Time Code, Time Domain, Timing, Hydrogen Masers, Atomic Clocks


Showing results: 451 - 465 of 550 items found.

  • BGA SMT Adapters

    Giga-snaP™ - Ironwood Electronics

    Giga-snaP™ 0.75, 0.8, 1.0, and 1.27mm pitch BGA Surface Mount Feet Adapter line of products provide an inexpensive and reliable method for attaching BGA chips to target board. The product line consists of patented female sockets with machined pins epoxy over-molded into an assembly that matches a particular BGA pattern. The epoxy over-molded female BGA socket is soldered to a PCB using standard soldering methods. A corresponding male pin BGA adapter, to which the user attaches their BGA chip, is plugged into the female socket on the board thus interconnecting the chip and the system is ready to go. The SMT adapters have the same solder ball types as the chips they are emulating. These adapters have less than half of the insertion force of competitive adapters, shorter electrical path for highest speed, and can be solder reflowed numerous times. A complete description and drawings of Giga-snaP™ 0.75, 0.8, 1.0, and 1.27mm pitch BGA Surface Mount Feet Adapters can be found at the tables shown below.

  • Motor Test for Stepping Motors

    MOTOMEA

    *Stable measurement: Since it uses Prony braking, this model provides stable measurement unaffected by moments of inertia and no coupling loss. In addition, the resulting measurements allow data correlation via the traditional double-balance method.*Precision measurement method: This model’s judgment of synchronization loss achieves high stability using algorithms developed by Sugawara Laboratories. Measurement mode can be chosen based on step angle. For pull-in torque, startup can be measured consistently from the holding state. Allows measurement at 1-Hz resolution.*Broad measurement range: This model offers a range of seven available measurement heads, from 0.5 N to 50 N, allowing use for high-precision measurements. Through selection and use of pulleys, this model can also be used to measure small motors of 0.5 mN·m or less or 500 mN·m motors. Pulley diameters and other settings are easily configured using a personal computer running Windows®. Note: Any of the seven available heads may be attached to a single measurement component.*High-visibility measurement data: Motor characteristics are easily ascertained on automatically plotted performance graphs. Measurement data can be overlaid up to four times. In addition, the cursor can be used to read accurate values from measurement points. Hard copies of data displayed on-screen can be printed from a personal computer.*Can be controlled using standard personal computers: Allows control of measurement operations and display and storage of data from a standard personal computer running Windows®. Data is stored in CSV-format files for compatibility with other software applications.

  • Downloading Multifunction Tester

    ET4500 - Martindale Electric Co. Ltd

    The new ET4500 tester carries out all the tests needed to verify the safety of electrical installations in domestic, commercial and industrial wiring installations in accordance with the latest regulations.

    can be used to carry out 3 wire earth testing and has on board memory to store and download all installation test results for documentation.

    Everything about the new ET Series has been designed to save time and make testing easier.Fast, reliable high current and non-trip loop testing comes as standard together with a high level of input protection and a CAT IV safety rating .Supplied with a full range of accessories.

  • Full Feature 400G BERT that can be Configured as an Eight-Channel PAM4 30 GBaud or Eight-Channel NRZ 30 Gbps Lane

    ML4079D - multiLane

    The ML4079D is a fully featured 400G BERT that can be configured as an 8-channel PAM4 30 GBaud or 8-channel NRZ 30 Gbps lanes.  The receivers support FEC decoding (802.3bj KR4/scaled KP4) and will return the frame loss ratio for FEC scenarios and BER for unframed data. The receivers also show the eye’s Histogram and the channel’s SNR over time.  The transmitters Support all standard test patterns mandated by IEEE and OIF such as PRBSQ13, SSPRQ, PRBSQ31, QPRBS13CEI, etc… The user may also program the TX to output a user-defined pattern up to 32 kb long. The transmit power is adequate for testing up to 10 Km SMF links.

  • Smart Network Emulation for All Mobile Device Tests

    CMWcards - Rohde & Schwarz GmbH & Co. KG

    Use R&S®CMWcards to prepare the tests you always wanted, but never found the time to set up. Create wireless signaling and application tests on the R&S®CMW500 wideband radio communication tester just by setting up a hand of cards – no programming required. Revolutionary card wizards and unique game rules guide you through setting up test sequences that fully comply with test specifications. Thanks to the R&S®CMW500 tester’s unrivaled multi-technology capability, R&S®CMWcards can be used to rapidly reproduce signaling scenarios for various wireless communications standards.

  • Electrodynamic Vibration Generator System

    LVD-100KG - Lisun Electronics Inc.

    • Vibration table size: 500*500mm (Other size can be designed) • Vibration: 0~5mm (Adjustable range P-P). Vibration waveform: sine wave (half wave and full wave). Acceleration speed: 0~20g (Adjustable) • Maximum test load Capacity: 100kg • Accuracy: Frequency can be displayed to 0.01 Hz. Precision 0.1 Hz. • Sweep Frequency function (1~600Hz): (Upper frequency, Lower frequency, Time range) It can set real standard arbitrarily to sweep frequency back and forth • Programmable Function (1~600Hz): It can set each segment in 15 segments arbitrarily (frequency/amplitude/time/acceleration), and it can be recycled • Frequency doubling function (1~600Hz): 15 segments multiplied-increase: 1)Low to high frequency 2)High to low frequency 3)Low to high and then to low frequency, it can be recycled • Logarithmic function (1~600Hz), 3 modes of logarithm/can be recycled: 1)Lower to upper frequency 2)Upper to lower frequency 3)Lower to upper and then to lower frequency • Measuring instrument: To display amplitude, acceleration speed and the maximum acceleration speed.

  • ARINC818 Cards

    AIM GmbH

    > ARINC818 is a specification which has become an Industry standard for the transmission of uncompressed digital video. This commercial standard uses Fibre Channel as a point-to-point communication link for low latency with the ARINC818 defining the packetized protocol for transmission of the digital video information. It is highly flexible and can be used for a variety of onboard display systems in both commercial and military applications. AIM’s ARINC818 cards use our field proven Common Core hardware design giving the best performance, best feature set and highest functional integration on the market. The use of SoC (System on Chip) based core designs with one dual core RISC processor per port, massive DDR3 memory and IRIG-B time encoder/decoder functions are standard. The ARINC818 modules are available in PCIe formats.The new ultra high performance intelligent 4-lane PCIe 2.0 interface modules offer 2 ports with full function test, simulation, monitoring and analyzer functions for ARINC818 interfaces. The dual core processor provides onboard processing and data transfer capabilities for the most demanding applications including ARINC818 support done on board level. Large and high data throughput DDR3 RAM is accessible for the onboard processor as is a high performance FPGA implementing the customized ARINC818 Interfaces enabling the board to analyze incoming data in real time. Each module provides 2 ARINC818 compliant ports. SFP cages make it suitable for different media types as optical or electrical network technologies. Each module is delivered with a Board Support Package (BSP) containing the onboard driver software, a full Application Programming Interface (API) and detailed getting started and programming guides. Powerful PBA.pro databus test and analysis software is optionally available for all our ARINC818 cards.

  • Precision Flying Probe Platforms For Automated Test Applications

    Huntron

    Flying Probe technology is used to automate the testing of printed circuit boards (PCB) that would otherwise have to be tested manually. Adding a Huntron Access Prober to your test procedure will significantly decrease test times therefore increasing productivity.Access Probers can accurately place a probe on test points with high accuracy achieved using micro-stepping motors and linear laser encoders. Probing the smallest surface mounted devices is possible. Huntron Access Probers can automate your unique test process using the standard probe or by adding a custom probe of your design. Huntron offers three Flying Probe system configurations based on PCB size and test head requirements.

  • Walk in Chamber for Rapid Rate Temperature / Humidity Test

    Guangdong Bell Experiment Equipment Co.,Ltd

    DGBELL Walk in Chamber for Rapid Rate Temperature / Humidity Test Relevant standards requirement:Temperature shockTest Object: Battery storage pack or system.Li-ion battery pack or system placed in (-40±2)℃~(85±2)℃ alternation temperature, the conversion time of two extreme temperatures is less than 30 minutes. Place the test objects into each extreme temperature keep 8h, test 5 cycles.Observe for 2 hours under the room temperature after testing,Humidity & Temperature CyclingTest Object: Battery storage pack or system.Refer the GB/T2423.4 Test Db, variable refer the Graph 4,the highest temperature is +80℃,5 cycles. Observe for 2h under the room temperature.

  • Pressure Decay Leak Tester

    Defender - LeakMaster

    You just can’t test slow, with The Defender. The Defender is LeakMaster’s latest Pressure Decay leak testing inno vation specifically designed to reduce integration costs and improve repeatability. The Defender is ideal for a variety of pressure/vacuum decay leaktesting appli cations. It’s compact design makes it ideal for applica tions with limited space. Standard Ethernet/IP module for seamless integration with Allen Bradley EtherNet/IP or other compatible devices, eliminates I/0 wiring and reduces start-up time and hardware cost. This instrument provides ultimate control and the ability to capture valu able leak rate data for data collection systems critical for today’s production environment.

  • Auto Wire Integrated Tester Series

    LX-1024A+ - Shenzhen Lian Xin Technology Co., Ltd.

    The system provides Chinese/English free switch operation interface,.·Up to 1500Vdc/1000Vac Test Voltage ,.·1024 Max. Test Points ,(Max of all series).·500 Max Files Memory,support USB or PC unlimited expansion,.·Using Embedded Linux operating system,.·Adopted high resolution colour 640*480 TFT LCD ,.·Large 320×240 LCD display ,.·Instant test time :0-60s , optional adjustment..·Providing Single-End ,Multi-segment ,Standard ,and Spot test of wire..·Auto Scan and Auto Pin Search ,.·The system provides advanced instant open-circuit, short-circuit, continuity test,.·Intermittent Conductance Test,.·Intermittent Open/Short Test ,

  • 6TL36 Plus In-line Test Handler w/Bypass

    EA923 - 6TL Engineering

    - Test handler 6TL36 Plus.- Dual line (bypass)- 1096 x 1875 x 1851mm [WxDxH]- Expandable to form a group with several 6TL36 modules (adapt line to production volumes).- ICT, FCT with RF, ISP or Combined test (ICT+FCT)- Servocontrolled DUT stop (stopper-less system)- Exchange time 3,2s- Max. PCB dimension 600x450mm- 19” rack space for instruments integration: 28UH- Receiver 25 slots in probe plate + 4 slots in push plate- Automatic Conveyor width adjustment- Optional Return Conveyor- High dynamics conveyors (1500 mm/s)- 90mm Top-30mm Bottom Component clearance- SMEMA and Hermes standard- CE

  • RF Ports Alignment Software

    Rohde & Schwarz GmbH & Co. KG

    With the R&S®RF Ports Alignment software together with the option R&S®SMW-K545, Rohde & Schwarz provides a standard and tailored solution for calibrating amplitude, time and phase of multi-channel SMW setups. The RF Port Alignment automatically collects the gathered correction data for the multi-channel setup using a connected vector network analyzer such as the R&S®ZNA or R&S®ZNB. Thanks to an intuitive graphical user interface the test engineer is guided through the calibration procedure step-by-step in a convenient way. With a calibrated multi-channel setup, tests of advanced systems in wireless communication or of radar receivers can be performed straightforward.

  • Radio Test Set

    CMA180 - Rohde & Schwarz GmbH & Co. KG

    With its frequency range from 100 kHz to 3 GHz, the R&S®CMA180 is ideal for testing all common analog and digital radio systems. Input levels up to 150 W are no problem for the R&S®CMA180. The flexible internal switching capabilities for the audio and RF paths make the R&S®CMA180 suitable for a wide range of test requirements. Users can configure the internal generators, external audio sources, filters and measurements according to the given application. In the predefined test scenarios for receiver, transmitter and duplex tests, the RF and audio paths are preconfigured. This saves time and eliminates configuration errors for standard test cases.

  • Wireless In-Circuit Test Fixtures

    Circuit Check, Inc.

    Higher density more complex circuit boards complicate testing requirements while smaller more tightly spaced test pads create a wiring challenge for the fixture fabricators, test engineers and maintenance personnel. Wireless fixtures solve the challenges associated with the nest of wires found in standard long wire fixtures. Wireless fixtures replace the “nest” of wires with copper traces on a multilayered printed circuit board called a Translator Board or T-Board®. Circuit Check’s wireless fixture technologies reduce test program debug and maintenance times while easing the ECO process. Thus allowing for the higher level of test performance, the ability to probe smaller denser targets and achieve ultra-high node counts.

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