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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: 436 - 450 of 550 items found.

  • Solar Simulators

    Solar Light Company Inc.

    Solar Light Simulators, or solar simulators, are precision research-grade instruments are specifically designed to comply with the latest laboratory standards from ASTM, IEC, ISO, and others. A wide selection is offered, from our patented Model 601 Multiport® SPF Testing 6-output Simulator to our single output units, which are available in 150W / 0.4″ (1 cm) output through 1000W / 6″ (15.25 cm) output, in UV, Air Mass, and Custom Spectra configurations. They can reliably produce UV levels several times stronger than tropical sun, without any of the associated heat load, which is ideal for measuring the damaging effects of UV during materials testing. These devices are well suited to a variety of applications including materials testing, in vitro and in vivo scientific research, PMMA plate pre-irradiation, academic studies, photobiological applications, and SPF testing, just to name a few.

  • AC Power Source

    AFC series - Preen AC Power Corp.

    The AFC Series is an economically priced AC power source to provide reliable voltage and frequency simulation for general applications, such as testing for home appliance, electronic, medical equipment, lighting and other fields of production or R&D. Utilized PWM switching technology, AFC provides high quality pure sine waveform with output level up to 2,000kVA. The AC source is coupled with output voltage range of 5~300V and output frequency of 47~63Hz, 50/60Hz fixed. User can select optional frequency output of 2 or 4 times standard frequency and 400Hz.

  • Multifunction Instrument

    COMBI521EV - HT Italia Srl

    COMBI521EV is the new HT instrument to perform verification and control of electric car charging stations (EVSE) safety according to IEC / EN 61851-1 and IEC / EN60364-7-722 standards. Being a combined verification instrument, COMBI521EV also carries out tests on electric systems in compliance with IEC/EN 61557-1 and therefore measurements of continuity of the protection cable, insulation resistance (with calculation of PI and DAR), overall earth resistance, RCDs type B, A and AC tripping time and current, line / fault impedance with calculation of prospective short circuit / fault current, phase sequence and conformity.

  • High Speed Data Logger

    9330 - Interface Inc.

    The Model 9330 displays 24-bit resolution and has an impressive 3750Hz update rate. Incorporating peak and valley capture, it can store up to 6 sensor calibrations and measurements from load cells or torque transducers can be logged at 1000Hz to a standard SD card. This data can then be downloaded to a PC via the built-in USB port and Windows compatible software for off-site analysis. Adding further versatility, the rechargeable battery can power up to 4 x 350 ohm sensors, but also offers up to 300 hours stand by time and up to 20 hours continue use.

  • Halo Automatic Testing System

    Fortress Technology Inc.

    Our revolutionary Halo system is an automatic metal detector testing device. It is designed to automatically test ferrous, non-ferrous and stainless steel samples on all Fortress metal detectors. Automatic testing saves time, money, labor, along with removing the risk of human error and work place injury at critical control points on a manufacturing line while complying with industry standards. The Halo system is ideal for applications where manual testing of a metal detector is made difficult due to access, position, access to the product flow, environmental conditions, etc.

  • Climatic Chamber

    Wewon Environmental Chambers Co, Ltd.

    Climatic chamber is designed to do high temperature & high humidity, high and low temperature, or temperature cycling test, Climatic chamber mainly used for quality checking and assessing their quality reliability and life test. ● The climatic chamber simulate a full range of temperature testing and humidity testing conditions.These chambers are designed for ease-of-use, reliability and performance and include many user-friendly features standard with your purchase for the best value in the industry. ● Climatic test chambers are able to provide rapid product temperature change rates and use varying levels of relative humidity to locate design problems prior to shipping your products, improving product quality and reliability. climatic chamber For conditioning of samples prior to testing. Climatic chamber also can be used for a variety of materials of high – low temperature alternating test. The test temperature, humidity, time can be programmed. Provides conditions of temperature form -70 degree to +150 degree and of humidity from 20% to 98%. ● This type climatic chamber use 16bit Industry-grade PLC, programmable controller to control the test temperature test, and recycle time, more excellent anti jamming, high reliability of the data. ● TEMI880 large color LCD touched screen temperature & humidity controller. Real-time display program running time, the number of segment, the remaining time, repeat frequency,can display experimental data, including the pre-set segment time, heating status, calendar time, etc; climatic chamber directly digital display. ● Climatic chambers apply controllable silicon step-less adjusting technology to adjust temperature and humidity test continuously and precisely, and without over heated as the PID adjusting function. ● The thermal insulation material between outside and inside for climatic chamber is high-quality ultra-fine glass fiber insulation cotton, good thermal insulation effectivity. Thermal insulation layer composed of flame fire PU + glass wool insulation (insulation thickness 10.0 cm)

  • Portable Dynamometers

    Mustang Dynamometer

    With the Portable MD-AWD-500, you have a portable drag strip that can handle just about any 2WD or AWD car on the street. Equipped with a drag racing timing system, multiple displays, and Mustang’s DragSim software, the portable MD-AWD-500 is sure to draw large crowds where ever it appears. One thing is for sure, a dyno draws big crowds when it shows up at an event. There is something about watching the wheels spin and listening to an engine at full throttle that captures people’s attention. Add to that actual drag racing times, reaction time results and a virtual animation of the car racing down the strip or street and you’ve got yourself some serious racing entertainment. Mustang’s top-of-the-line portable chassis dynamometer is the Portable AWD-500 Series dynamometer. No other dyno offers all of the benefits of a Mustang AWD-500 dyno in such a tightly-engineered portable package. Mounted inside of a flatbed trailer, the portable AWD-500 is easy to trailer to and from events and can be set-up by a single operator. This is the ultimate portable dyno. Great for promotional events, dyno sharing arrangements or as a traveling dyno for trade shows or car show events. Like the standard AWD-500, the portable version can test both AWD and 2WD vehicles and can switch back and forth with a simple click of the mouse. With added displays, a drag racing timing system and Mustang’s DragSim Software and you’ve got yourself a portable drag racing strip that is dead nuts accurate, extremely repeatable and a real crowd pleaser. Portable AWD-500 Features Include:

  • 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.

  • Programmable DC Power Supply

    IT6100B Series - I-TECH Electronic Co., Ltd

    IT6100B series (86 ~ 1200W) high speed high precision programmable DC power supply is withultra high voltage rising time, the fastestfull load up to 500us, resolution up to 0.1mV / 0.01mA, the latest output waveform priority mode allows rising waveform ofvoltage or current  is with high-speed and no overshoot, which is widely used inaerospace power modules and other high-precision test occasions. IT6100B hasbuilt-in standard USB / RS232 / GPIB communication interface and the panel supports List programming, which canprovide multi-purpose solutionaccording to customer design and testing demands, easy to use.

  • RCD/LOOP/PAT Testers

    Kyoritsu Electrical Instruments Works, Ltd.

    Custom microprocessor controlled for highest accuracy and reliability. 3 LEDs for checking correct wiring status. 0 and 180 degree phase angle switch permits quick tests and consistent readings. Digital read-out of tripping time. Constant current source circuitry ensures that a fluctuating mains voltage does not affect the accuracy of readings. Large custom digital display readout. Visual indication of reversed phase and neutral wiring at socket. Designed to IP54 Rating. Complies with IEC 61557 Test of a large kind of RCD''''s: Standard, Selective, AC and A (DC sensitive breakers)

  • PXI High Density Multiplexer: 99-ch, 2-Wire, 100Vrms/1A, Armature Relays

    M9103A - Keysight Technologies

    The M9103A, a high-density, high-power 99-channel multiplexer routes many different channels to a single point. The switches operate in a break-before-make mode that ensures no two points are connected at the same time, or multiple channels can simultaneously connect if needed. This module is ideal for routing multiple analog signals to a measurement device in an automated test environment (ATE) or data acquisition systems. Each channel switch has a high and low for 2-wire switching. The high-quality armature relays are capable of switching up to 100Vrms, with up to 60W of power. Choose from the durable connector block or standard cable connections.

  • PXIe-1095, 18-Slot, Up to 24 GB/s PXI Chassis

    783882-01 - NI

    PXIe, 18-Slot, Up to 24 GB/s PXI Chassis—The PXIe-1095 features a high-bandwidth backplane and 58 W of power and cooling in every slot to meet a wide range of high-performance test and measurement application needs. The chassis incorporates two hot-swappable power supplies to improve the mean time to repair (MTTR) of the PXI system; it also offers an optional timing and synchronization upgrade that includes a built-in oven-controlled crystal oscillator (OCXO) for increased clock accuracy and external clock and trigger routing. It accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules in up to five slots.

  • RF One Power Meter

    COMM-connect

    The RF One Power Meter is a very versatile instrument covering both analog and digital carriers in an extremely wide frequency range from 30MHz to 6GHz. The RF One is capable of measuring forward and reflected power in the range of a few milliwatts up to 500 Watts. The internal operating system controls measurement, display and the I/Os allowing serial communication to PC, USB to memory stick and USB Serial communication. The I/O options are used to write plots to either memory sticks or to a connected PC, the I/Os can also be used to operate the instrument, giving commands and receiving data. For documentation reference the instrument has a real time clock. Multilayer menus are used to setup and control the operation of parameters. The RF One instrument is small, handy and light weight battery operated with more than 3 hours of continuous operation on the internal NiMh cells. Feature with XML data handling and application viewer is included. Accessory kit with soft carrying bag, car charger and coax adapters for standard types.

  • Temperature and Humidity Sensors

    Monarch Instrument

    The Portable USB Temperature and Humidity Probe combines high accuracy temperature and humidity sensors into a rugged stainless steel probe with built-in USB interface. The probe can be used with Windows based PC’s or Android devices that support On-The-Go communications. To use with an Android device simply download the free App from Google Play, plug the probe into your device with the supplied interface cables and start the application. The probe receives its power from the host USB device. Real time data is displayed and can be stored for review on the PC using a spread sheet or review data graphically using our free Track-It™ data logger software. Available in 300mm or 450mm (12” or 18”) lengths. The probe comes standard with a free flow Delrin cap. Optional sintered stainless steel filter caps are available for measuring dry bulk material or for use in dusty/dirty environments. Field pre-calibrated replacement sensors are available (with or without N.I.S.T. certificate).

  • Wideband Digital RF Watt/VSWR Meter

    RF ONE 3029 - LBA Group, Inc

    The RF One Power Meter is a very versatile instrument covering both analog and digital carriers in an extremely wide frequency range from 30MHz to 6GHz. The RF One is capable of measuring forward and reflected power in the range of a few milliwatts up to 500 Watts. The internal operating system controls measurement, display and the I/Os allowing serial communication to PC, USB to memory stick and USB Serial communication. The I/O options are used to write plots to either memory sticks or to a connected PC, the I/Os can also be used to operate the instrument, giving commands and receiving data. For documentation reference the instrument has a real time clock. Multilayer menus are used to setup and control the operation of parameters. The RF One instrument is small, handy and light weight battery operated with more than 3 hours of continuous operation on the internal NiMh cells. Feature with XML data handling and application viewer is included. Accessory kit with soft carrying bag, car charger and coax adapters for standard types.

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