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Visible spectrum of electromagnetic radiation from 400nm to 700nm.

See Also: Illumination, Lighting, Lightning, Lightwave, Daylight, Luminescence


Showing recent results 1966 - 1969 of 1969 products found.

  • Heavy Duty Dynamometers

    MD-250-HD - Mustang Dynamometer

    The MD-250-HD series dyno (SE/DE) was designed to be a performance dynamometer first with the added benefit of being able to test 2-wheel-drive heavy-duty vehicles such as truck, buses and commercial vehicles in addition to the standard car or light duty pick-up. The 250-HD is certified in the states of Colorado, Nevada and Utah for use in loaded-mode diesel smog testing programs because of its accuracy and reliability. No other dyno in its class offers more value or better in-house motor vehicle testing capabilities than the Mustang MD-250-HD. For starters, the MD-250-HD boasts a 1,500 horsepower measurement capacity at a top speed of 175 mph and a powerful air-cooled eddy current brake provides the MD-250-HD-SE with 900-hp worth ofloading capacity for steady state testing. Loading capacity can be increased to 1,500-hp via the optional DE model. The 250-HD can be upgraded to the 250-HD-SE-M via the addition of a 100 or 200 hp AC motor for transient testing of electric buses to measure range and regeneration or for emissions testing of IC engines. Do not be fooled by its compact size – the MD-250-HD is a serious dynamometer with serious tuning capabilities. The MD-250-HD uses a powerful eddy current power absorber, a frictionless, air-cooled braking device, to enable it to apply variable and steady state loading. A complete control and data acquisition system lets you design a wide range of tests or select from a host of pre-configured tests included with the standard system. The 250-HD’s four roller design makes setting up vehicles a snap – simply drive onto the 250-HD and let the tires settle in between the rollers. The 250-HD can be installed above-ground or below-ground, it’s your choice. The above-ground system utilizes an optional premium platform and ramp system with an above-ground restraint kit. The addition of an axle pull-down kit help keep the tires from slipping or trying to “climb out” of the rollers.

  • Nanogravimetric Measuring Instrument

    EUREKA - BIOAGE s.r.l.

    Eureka is a QCM / EQCM (Quartz Crystal Microbalance) nanogravimetric measuring instrument capable of mass measurements in the order of nano-grams and pico-grams. Eureka can be used with gas and liquids, the cells are made by BioAge and sold with the instrument. The tool is the most versatile among those existing on the market, with an excellent quality / price ratio. It is a portable instrument as it is powered only by the PC USB port. The instrument is extremely compact, light, reliable and designed according to the current state of microelectronics. To use Eureka simply connect it to a PC USB port and install the capture software, running in Windows ™ environment,which turns out to be very simple to use, so you can do the first experiments in a very short time. For liquid measurements Eureka is an electrochemical system, therefore, electrochemical and nanogravimetric measurements can be performed at the same time (EQCM). Eureka, if connected to a self-powered portable PC, allows to perform measurements and experiments in total freedom in environments where grid voltage is not available,or experiments that are carried out in large areas in total freedom of movement. Measurements can be made on liquids, thanks to the static cell or the flow cell, or BioAge is able to design and create customized cells according to the needs of the user, varying volumes, dimensions and materials. The instrument is very versatile because the frequency measurement range can range from 0 to 50MHz, depending on the quartz crystal used. or use a gas cell designed for gas phase analysis, BioAge is able to design and produce customized cells according to the user's needs, varying volumes, dimensions and materials.The instrument is very versatile because the frequency measurement range can range from 0 to 50MHz, depending on the quartz crystal used. or use a gas cell designed for gas phase analysis, BioAge is able to design and produce customized cells according to the user's needs, varying volumes, dimensions and materials. The instrument is very versatile because the frequency measurement range can range from 0 to 50MHz, depending on the quartz crystal used.

  • TDR and Bridge Cable Fault Locator

    ST620B - Shandong Senter Electronic Co., Ltd

    I.OverviewThis DMM/TDR cable fault locator is the latest generation cable tester, which is designed with the technology of ARM+FPGA large dot matrix color LCD display . It is used for the measuring of exact fault location such as the broken line, cross faults, earthing, poor insulation and poor contact of the lead covered cables as well as plastic cables. It is an effective tool to reduce troubleshooting time, improve work efficiency and reduce labor intensity of line maintenance staff. It also can be used in line projects acceptance and inspection of electrical cableII. Features1. Large color LCD Display (480 x 280 dot); humanized operation interface; six function keys and simple operation.2.Combine with pulse reflection testing (TDR) and Digital Multimeter(DMM), can test broken lines, crossing lines, poor insulation and other types of faults.3. Manual testing function is preserved.4.Full English Menu is easy to master and use.5.With megameter and ohmmeter, it enables to test insulation resistance and loop resistance.6.With USB Port, it is easy to upload testing data to computer(This function is optional)7 Rechargeable lithium battery, intelligent charging without duty.8.Small dimension, light weight and portable design.Specifications1)Pulse reflection testing(TDR)Max range: 8 km(16kms, and 32kms are optional) Dead Zone: 0 mTesting Accuracy: 1mPulse width: 40ns-10μs with automatic adjustment Automatic impedance balance adjustment Automatic and manual gain adjustment2) Digital Multimeter(DMM)DC voltage: -400V~ 400V, resolution can reach 0.001VAC voltage: 0V~290VCapacitance: 0nF~1000nFAccuracy: 0--10nF: ±2nF; 10nF--1000nF : ±2% +±2 nF Loop resistance: 0Ω~20kΩAccuracy: 0--100: ± 3% +± 4Ω 100- 500: ±3% ; 500-20 KΩ ±2%Insulation resistance between line: 0M Ω -30M M Ω.Accuracy:0--1.0M: ±0.1M Ω 1.0M - 30M: ±10% + 0.5 MΩ.The charging time of about 3.5 hoursFull - after 8 hours of continuous operating timeSize: 210mm * 166mm * 90mmWeight: 1KgAccessories:1) Carry case.2) Re-chargeable battery and charger/adapter.3) Test Line4) User Manual5) CD (Just for USB function)6) U-disk (Just for USB function)

  • High Efficiency 5KW-500KW Off Grid Inverter

    SDP-50KW - Zhejiang Sandi Electric Co., Ltd

    SANDI SDP series Pure Sine Wave Inverter is the one of the most advanced technology DC to AC conversion products in the world, it’s suitable use for areas without electricity, providing a complete power solution for strict demand applications. With SVPWM technology it has high conversion efficiency, high instantaneous power and low losses power output pure sine wave, applying to capacitive, inductive and nonlinear mixed-load, with superior load capacity, perfect protection function: overload, short circuit, low/over battery voltage, improper operation etc, which won’t cause mechanical failures. This Inverter is very suitable for solar power systems, wind power generation systems, wind and solar hybrid generation systems. The inverter can supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply.Technical Features: 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. Intelligentized, modularized, simple structure design easy to maintenance. According to the product configuration conditions, adjustment the system usage mode: DC(Battery/Solar) priority or AC mains bypass priority can be set. Two kinds of start mode: Reduction 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. The output frequency can be setting via LCD panel, it’s very convenient for customer. The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy ±1%. 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. Pure sine wave output. With good dynamic response less than 50MS, waveform distortion rate smaller, higher conversion efficiency and stable output voltage. Built-in low frequency isolation transformer, strong impact resistance, available with motors, pump, air conditioners and other high impact equipment. At the same time DC busbar and AC busbar are completely isolated to avoid interference. Wide input voltage can be set according to customer’s requirement. Input voltage range can be selected from 100-300V, 200-500V or 500-850V, suitable for solar/wind system without backup batteries, it can save many cost and maximization use the solar/wind energy. Using SVPWM space vector algorithms, high conversion efficiency, high instantaneous power and low losses conversion efficiency up to 94%. 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. European CE (EMC, LVD) certificate, accredited by Australian CEC, ERAC energy network.