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Showing results: 1231 - 1245 of 1255 items found.

  • Omnidirectional Antennas

    ERAVANT

    In radio communication, an omnidirectional antenna is a class of antenna which radiates equal radio power in all directions perpendicular to an axis (azimuthal directions), with power varying with angle to the axis (elevation angle), declining to zero on the axis.[1][2] When graphed in three dimensions (see graph) this radiation pattern is often described as doughnut-shaped. Note that this is different from an isotropic antenna, which radiates equal power in all directions, having a spherical radiation pattern. Omnidirectional antennas oriented vertically are widely used for nondirectional antennas on the surface of the Earth because they radiate equally in all horizontal directions, while the power radiated drops off with elevation angle so little radio energy is aimed into the sky or down toward the earth and wasted. Omnidirectional antennas are widely used for radio broadcasting antennas, and in mobile devices that use radio such as cell phones, FM radios, walkie-talkies, wireless computer networks, cordless phones, GPS, as well as for base stations that communicate with mobile radios, such as police and taxi dispatchers and aircraft communications.

  • Transformer and Reactor Loss Measurement System

    Measurements International Ltd.

    The measurement of electric power and energy at high voltages and currents at low power factors is becoming increasingly important economically as a way to reduce costs in an ever-growing industrial economy. Today the transformer purchaser subjects the transformer manufacturer to an economic penalty for losses that occur in load and no-load conditions. To keep these penalties as low as possible, it is important that the manufacturer accurately measure these losses. Failure to do so can result in the manufacturer losing important contract awards to their competitors who may be utilizing a more accurate system. Using “State of the Art” proven two-stage-currentcomparator technology, the AccuLoss™ Series of transformer loss measurement systems is designed to meet the needs of today’s transformer manufacturer by providing the most accurate power loss measurement system in the world. Designed for power frequency testing and calibration, the AccuLoss™ system can be used for testing small, medium and large power transformers as well as motors and turbines up to 400 Hz. The system is also ideal for R&D facilities. The AccuLoss™ system can also be used to measure losses in single and three phase reactors.

  • Services

    Pure Engineering, llc

    At Pure Engineering, we specialize in providing custom solutions to help our clients overcome their most challenging problems. Our services range from rapid prototyping to mass production of consumer products and are backed by our deep understanding of low power design, RF complexities, design for manufacturing, and product life cycles. Our team is skilled in a variety of areas, including strategic planning, product development, and architecture design. We use engineering principles to assess the feasibility and suitability of technology for a given design and can create proof-of-concepts, prototypes, and subject matter experts to solve design challenges. We also have expertise in the Internet of Things (IoT) and have experience developing low-power systems that run on batteries and efficiently transfer data. Additionally, we have extensive experience in Bluetooth Low Energy (BLE) technology, creating sensors that connect to modern phones and computers and creating custom protocols using off-the-shelf hardware. Whether you need help with a specific aspect of your project or support throughout the development process, we are here to assist you.

  • Directional Couplers

    Pasternack Enterprises, Inc.

    Pasternack directional coupler category is passive devices that couple part of the transmission power in a transmission line. Our directional coupler series provides the bandwidth, high directivity and higher power that engineers need for their most demanding application designs. RF directional couplers often use two transmission lines set close together so that energy passing through one is coupled to the other. Many Pasternack directional coupler components are RoHS and REACH compliant. RF directional couplers are available with 4.1/9.5, 4.3-10, 7/16 DIN, Type N or SMA connectors. Our directional coupler line has 6dB, 10dB, 15dB, 16dB, 20dB, 30dB or 35dB coupling values. Power ratings of our typical and high power directional couplers range from 25 Watts to 70 Watts. Directional coupler frequency range of this product design is from 1 GHz to 8 GHz. As with our other over 40,000 RF, microwave and millimeter wave components from Pasternack, this directional coupler series is in-stock. Not only are these couplers in directional design in stock, they also will ship the same day as they are purchased.

  • Dual (Bi) Directional Couplers

    Pasternack Enterprises, Inc.

    Pasternack dual directional coupler (also known as bi-directional coupler) series are passive devices that couple part of the transmission power in a transmission line. Our dual directional coupler components provide the bandwidth, high directivity and higher power that designers need for their most demanding applications. RF dual directional couplers often use two transmission lines set close together so that energy passing through one is coupled to the other. Many Pasternack bi-directional coupler items are RoHS and REACH compliant. Couplers that are dual directional from Pasternack are available with SC, SMA and Type N connectors. This dual/bi directional series is offered in 10dB, 20dB, 30dB, 40dB and 50dB coupling values. Power ratings for our dual directional couplers range from 10 Watts to 10 Watts. Frequency ratings for our bi-directional couplers range from 1 GHz to 8 GHz. Like the other over 40,000 RF, microwave and millimeter wave components from Pasternack, our dual (bi) directional coupler series is in-stock. Not only our these couplers in stock, they also will ship the same-day as they are purchased.

  • AERINOS Sigfox IoT

    Infinite Industrial Informatics Lt

    Sigfox is a communication protocol that is used to read data from sensors through a fixed network of base stations. It works like a low cost “SMS” service. As an end-user, you only need to buy a subscription to connect to the data network operated by SIGFOX. Sigfox employs a proprietary Ultra Narrow Band (UNB) radio technology that enables communication using the Industrial, Scientific and Medical ISM radio band, which uses 868MHz in Europe and 902MHz in the US. It has the advantage of covering larger areas than other fixed local systems.The overall Sigfox network topology has been designed to provide a scalable, high-capacity network, with very low energy consumption, while maintaining a simple and easy to rollout star-based cell infrastructure. The density of the cells in the Sigfox network is based on an average range of about 30-50km in rural areas and in urban areas, where there are usually more obstructions and noise is greater, the range may be reduced to between 3 and 10km.According to the latest numbers, Sigfox has a nationwide live coverage in 6 countries and in 14 other countries it is deploying and rolling out ts network. By end 2018, the ambition is to cover 60 markets.

  • SMARC Short Size Module with NXP i.MX 6 Multicore Arm® Cortex®-A9

    LEC-iMX6R2 - ADLINK Technology Inc.

    The SMARC ("Smart Mobility ARChitecture") is a versatile small form factor computer Module definition targeting applications that require low power, low costs, and high performance. The Modules will typically use ARM SOCs similar or the same as those used in many familiar devices such as tablet computers and smart phones. Alternative low power SOCs and CPUs, such as tablet oriented X86 devices and other RISC CPUs may be used as well. The Module power envelope is typically under 6W. The Modules are used as building blocks for portable and stationary embedded systems. The core CPU and support circuits, including DRAM, boot flash, power sequencing, CPU power supplies, GBE and a single channel LVDS display transmitter are concentrated on the Module. The Modules are used with application specific Carrier Boards that implement other features such as audio CODECs, touch controllers, wireless devices, etc. The modular approach allows scalability, fast time to market and upgradability while still maintaining low costs, low power and small physical size. To stress on its low power consumption feature, ADLINK has named SMARC products as LEC (Low Energy Computer on module) series.

  • Electronic Ballast Tester

    WT4000 - Lisun Electronics Inc.

    • Measure parameter: 1) Input: Vrms, Lrms, W, PF, Hz, Phasic angle, total harmonic and 0-39 component of harmonic. 2) Output: Lamp voltage, Lamp current, Filament current, Guided cathodic current, Lamp power, crest factor and oscillatory frequency, single high frequency analysis. • Startup: Startup lamp voltage, lamp current, filament current, guided cathodic current curve and parameter, preheating time; • Simultaneously display on 8 windows for input and output parameters, convenient for comparison and analysis; • Test preheat energy, filament preheat time. And the parameters changes from 0 to 5s of filament voltage, filament current and filament power; • Up to 1MHz lrms test content to every EB; • Analysis symmetry of high Frequency curve of lout; • 12-bit high-speed A/D, sampling rate up to 10MHz, can easily analyse signal curve of output; • Finish an input and output testing at the same time within 1 minute; • Portable, can test, display, print without computer. Test report include data and curve, comply with international standard; • Communication port for PC, run under Windows98 or Windows2000, English Version available.

  • Laser Power Measurement Accessories

    Scientech Inc.

    Scientech offers a wide selection of accessories for our detectors and power/energy meters to support or enhance your laser measurement. Fiber optic holders and adapters are available to allow direct fiber optic cable attachment to Astral and Vector 25mm calorimeters as well as Vector pyroelectric detectors (except the SP and HR models). Contact us if you have other fiber optic connector needs. For measuring at low power or energy (<30 mW or 30 mJ), Scientech recommends application of our Isoperibol™ enclosure to minimize environmental thermal interference. Isoperibol™ model 360203A is designed for use with 25mm aperture detectors, except slim profile models. Isoperibol™ model 360203F is designed for use with our PN 12420 adapter that attaches fiber holders to our 25mm detectors. A high-speed photodiode designed to attach to 25 mm Astral or Vector calorimeter apertures provides a temporal profile of the laser pulse when viewed on an oscilloscope. A wide variety of detector mounting assemblies are available for mounting the detector to an optical bench. Posts are available in 1/2" and 3/4" diameter and from 2 to 6 inches in length that attach to a selection of mounting bases.

  • Astronomy Solutions

    Thales SESO, SAS

    For more than 40 years, Thales has delivered high accuracy optics for ground-based Astronomy all around the world. These optics range from single, but challenging, unmounted optical components up to fully integrated opto-mechanical systems. Our design heritage and past experience in this field cover the design, manufacture and AIT activities of many optics and sub-assemblies used in Telescope instrumentation, such as focal plane assemblies as well as the direct production of telescope mirrors themselves. Several major achievements of Thales ground-based Astronomy products were the Optical wide field corrector for the Dark Energy Survey (lien), the Reference Body for future Deformable Secondary Mirror of the VLT (lien) and different challenging spectrograph optics (Collimator and Cameras) for different Observatories (lien). One advantage Thales has with this activity is that most part of the manufacturing steps involved (i.e. opto-mechanical design, milling/grinding, lightening, polishing and coating) are directly under our control in our own facility. Our current capabilities for the production of optics for ground-based Astronomy are from a few centimeters size up to 2 meters. Thanks to the continuous efforts in R& D and investments into new production machines, Thales is now ready for future industrial challenges including the optical production of some key elements of the E-ELT, GMT and TMT programs.

  • Single-Phase Transformer Winding Resistance Meters

    RMO-TW Series - IBEKO Power AB

    RMO-TW series is perfect for winding resistance measurements of inductive objects. It is ideal for testing transformer windings (power transformers, distribution, autotransformers) and for on-load tap changer verification. In addition, any RMO-TW transformer ohmmeter & tap changer analyzer can also perform transformer demagnetization.The series contains 4 models, with maximal test currents from 10 A (RMO10TW) to 50 A (RMO50TW). They are fitted in a portable and lightweight metal housing.All transformer ohmmeters from RMO-TW series generate a true DC ripple-free current with automatically regulated measurement and discharging circuit. The injection of current and discharge of energy from the test object are automatically regulated.Three independent channels enable testing of three windings in series. Consequently, this enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests.DV-Win software enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test. Finally, a user can export all results in the form of a report.

  • Robust DIN-rail Fanless Embedded System With Intel® Celeron® Processor N3350, 2 COM, LAN, 2 USB And DIO

    ICO100-839 - Axiomtek Co., Ltd.

    The ICO100-839 is a DIN-rail fanless embedded system designed to support the low-power Intel® Celeron® processor N3350. This DIN-rail industrial IoT gateway supports one DDR3L SO-DIMM slot with up to 8 GB system memory. Its proven rugged construction ensures reliable operation in harsh environments with an extended temperature range of -20°C to 70°C and anti-vibration up to 2G. Additionally, the wide range 12V-24V DC power input with a lockable terminal block type connector is suitable for industrial automation fields. The overvoltage and reverse protection lowers the risk of crucial data loss. The outstanding Intel® Atom™-based ICO100-839 is a perfect solution for industrial IoT applications such as smart factory automation and smart energy. The DIN-rail industrial IoT gateway offers an outstanding price/performance ratio with good quality. It comes with sufficient I/O connectivity while measuring only 31 x 100 x 125 mm. The I/O interfaces include two RS-232/422/485 ports, two USB 2.0 ports, one Gigabit Ethernet, one VGA and one DIO. Furthermore, the Intel® Apollo Lake-based ICO100-839 is equipped with two PCI Express Mini Card slots, one for mSATA storage card and another for 3G/GPRS/Wi-Fi connections.

  • High Voltage Battery Test System

    9300 Series - NH Research, Inc.

    NH Research, Inc. (NHR) has released the new 9300 series, a higher-voltage / higher-power version of its popular single-channel 9210 series battery test systems. The 9210 Series provided a 12kW power module operating at 40V, 120V, or 600V and which allowed paralleling with similar systems to increase the power, whereas the new 9300 system provides a 100kW power module with a software-selectable high voltage range (1200VDC / 167A) and high-current range (600VDC / 333A) allowing for efficient testing of single-voltage and double-voltage Electric vehicle (EV) batteries as well as high-voltage Energy Storage Systems (ESS) used in grid-tied applications. The 9300 further extends NHR’s family of high-power battery test and emulation capabilities which are ideal for analyzing a battery performance under xEV drive cycles and grid-storage profiles such as PJM and time-shifting profiles. Like the successful 9200 and 9210 systems, the 9300 modules are independent allowing for testing of multiple batteries, each with a different test plan, power levels and start/stop times. When higher power is needed, the 9300 modules may be paralleled providing 200kW, 300kW or up to 1.2MW capability. This modular power capability allows a system to be sized to the power levels needed today while ensuring expansion capability should additional power be needed in the future.

  • 60kw off grid power inverter 110/220V split-phase output converter

    SDP-60KW - Zhejiang Sandi Electric Co., Ltd

    Our SDP series Off Grid Pure sine wave inverter is one of the most advanced DC to AC conversion products in the world, it is suitable use for areas without electricity, vehicles, ships, solar energy, wind turbine and other renewable energy systems and etc, can supply power and provide guarantee effectively for the areas with traffic inconveniences, in the mountains, pastoral, border, island and other areas without electricity. It has the main advantages of high quality sine wave AC output, microcomputer control, humanness design, and it is high efficiency and low no-load loss, and no pollution. The inverter can also supply AC power to all kinds of electric equipment, air conditioners, motors, refrigerators, lights, TV, electric fans and other industrial power supply.1. Using the sixth generation efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function, the protection for short circuit, over load, over temperature is more safe and reliable. It’s service life can up to 15 years or more.2. Intelligentized, modularized, simple structure design with powerful function.3. Two kinds of start mode: Step-down Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converter’s usage, which reduced the cost of equipment investment, easy to connect wires and control.4. The output frequency can be setting via LCD panel, it’s very convenient for customer.5. The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy ±1%.6. The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel.7. Pure sine wave output. With good dynamic response less than 50MS, waveform distortion rate smaller, higher conversion efficiency and stable output voltage.8. Low Frequency Transformer, which ensures that inverter has high efficiency.9. High conversion efficiency, Max. Efficiency≥94%,if 48VDC input,the efficiency can more than 85%.10. Adopts black pure aluminum radiator, which confirms the best radiating performance.11. Powerful data display function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.12. Wide input voltage can be set according to customer’s requirement. Input voltage range can be selected from 150-400V or 300-600V or 400-800V.13. Wide input voltage can work without battery and solar charge controller,save more cost and With MPPT wide voltage input function, maximum use of solar power

  • Battery Voltage Supervisor

    BVS - IBEKO Power AB

    DV Power battery voltage supervisor – BVS, is an accurate battery voltage monitoring system that monitors the state of health of battery systems. It records important battery parameters such as battery voltage, inter-cell connection voltage, and ambient temperature. Because of that, it can be a support tool for capacity testing.The BVS voltage supervisor is an integrated system consisting of:BVS Control Unit (BVS-CU)Cell Voltage Modules (CVM)String Voltage Module (SVM) (optional)String Current Module (SCM) (optional)It is an ideal testing tool for maintenance, troubleshooting and performance tests on individual stationary batteries and battery packs in critical backup energy solutions.BVS-CU provides ambient temperature measurements on multiple locations (4 temperature channels). Overall string voltage and string current monitoring can be achieved by using an optional string voltage module (SVM) and string current module (SCM).There are two types of DV Power battery voltage supervisors:BVS – One cell voltage module measures 1 cellBVS-4 – One cell voltage module measures 4 cellsCVM modules detect cells that fail a discharge test based on monitored voltage values. As a result of that, these cells can be safely removed from the battery string.Data acquisition and analysis of data collected from the modules are available in the DV-B Win application software suite. They provide data viewing, tracking, and generation of comprehensive reports.

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