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Light

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

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


Showing recent results 1936 - 1950 of 1983 products found.

  • Protection Relay

    Arc-Flash - Selco USA, INC

    Arc-Flash Relay is a high-speed, arc-detection device for electrical power-distribution systems. The protection relay has outputs for trip coils in several zones, and has inputs for up to several optical sensors for optimal arc detection. The inputs support both point sensors and fiber-optic line sensors,which cover a larger area.Using optical sensors rather than relying strictly on current measurement allows a much faster detection time than overcurrent relays or a circuit breaker alone can typically provide, as the light from the arc is unique for the fault, whereas current pulses above the nominal level are part of normal operation for many systems.On the occurrence of an arc fault, the protection relay detects the fault and pulses the trip contact in less than one millisecond, which trips the circuit breaker(s) supplying the fault. The total arcing time is effectively reduced to the mechanical opening time of the circuit breaker, typically between 30 and 75 milliseconds. This reduces the energy of the arc fault significantly, increasing worker safety, reducing fault damage, and improving uptime. Switchgear can often be simply cleaned, inspected, and put back in service after an arc fault instead of having to be replaced.

  • Radiometer

    X1-1-RCH-116-4 - Gigahertz-Optik GmbH

    The X1-1 radiometer from Gigahertz-Optik features an RCH-116-4 detector and is ideal for measurement of the irradiance of high power LEDs in the UV-A and blue light range. The device can accurately measure irradiance levels of up to 40,000 mW/cm². One of the outstanding features of the RCH-116-4 detector is its proven concept of a passive radiation absorber coupled to a UV sensor. This provides stability even in high temperature and intense UV radiation environments. In addition to the passive radiation absorber, the device also has a cosine-corrected field of view. The sensor’s housing also serves as a handle. The battery-powered X1-1 optometer supports a usable dynamic range from less than 1 mW/cm² to 40,000 mW/cm² thanks to its high-end signal amplifier. It can be used to perform precise measurements of up to 5 standard LED wavelengths for which the detector was calibrated for active irradiance. In addition to the CW measurement function, the device also has a dose measurement function. The radiometer can be used with other detectors from the RCH series. e.g. for gas discharge lamps. Remote control of the device is possible via its user software and a software development kit is offered for integration of the device in the user’s own software.

  • Variable Power Supply

    VS-10a - Allied Edison LLC

    The VS-10a power supply is a light weight, portable, non-isolated “variable source” from 0 volts to 150 Vac or 0 volts to 150 Vdc and rated for up to 10 amps, thus the name VS-10a. It is comprised of an illuminated voltmeter that reads to the first significant digit, AC variable system output voltage, DC variable system output voltage, logic output voltage and one sense (continuity) contact monitoring points. Banana jacks for connection of test leads are spaced at intervals that allow the use of dual banana test plugs if desired. The VS-10a is protected by two levels of overcurrent protection; AC input, and ground fault protection by a GFCI. All circuitry is housed inside a custom designed case made from 16 gauge steel. An Internal fan dissipates heat buildup and exhaust through louvered side vents built into the case. The carrying handle is designed with a “spring return to rest” position and is padded for comfort. The case has been sized for optimum portability and is balanced from the handle during transportation. The case has a powder coated finish that is scratch, chemical and weather resistant. Rubber padded feet support the case when in the upright position and a convenience receptacle is located on the side of the case.

  • IR Thermometer with UV Leak Detector - Professional 4-in-1 Infrared Thermometer with UV Leak Detector and LED Flashlight

    IR300UV - Extech Instruments Corporation

    Professional 4-in-1 Thermometer features a non-contact Infrared Thermometer, UV Leak Detector, bright Flashlight, and a unique coaxial Distance-to-Spot guidance laser. This combination meter helps you take quick temperature readings on unsafe surfaces while the circular laser shows you the area being measured to maintain accurate measurement distance. Its UV light easily reveals refrigerant leaks in combination with a standard UV dye (not included) on AC units, pipes, and automotives. Convenient built-in bright flashlight will help you do your job in dark environment.

  • Multi-wavelength Measurement Optical Time Domain Reflectometer

    MT-7300 Plus - Guangzhou Wanglu Communications Co., Ltd.

    ● 32/30dB high dynamic range● ≤2m extra-short event dead zone● 0.05m high distance resolution,128k sampling points● Fast auto measurement, one-button operating● Test up to four wavelengths with a single unit ● Communication light check automatically● Remote function via Ethernet● USB interfaces, supporting USB stick and printer and direct cable download to PC via ActiveSync● Supporting Bellcore GR196 file format in writing or reading● Built-in lithium battery with high capacity for over 8 hours of operating life● Integrated Visible fault locating (VFL)

  • SparkFun Spectral Sensor Breakout

    AS7263 NIR (Qwiic) - SparkFun Electronics

    The SparkFun AS7263 Near Infrared (NIR) Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7263 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy, thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout and the other into one of the Qwiic shields, then stack the board on a development board. You’ll be ready to upload a sketch to start taking spectroscopy measurements in no time.

  • SparkFun Spectral Sensor Breakout

    AS7262 Visible (Qwiic) - SparkFun Electronics

    The SparkFun AS7262 Visible Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7262 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy, thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout and the other into one of the Qwiic Shields, then stack the board on a development board. You’ll be ready to upload a sketch to start taking spectroscopy measurements in no time.

  • Displays

    Curtiss-Wright Defense Solutions

    Our high-definition (HD) displays are designed for use with the industry's most popular sensors, including forward-looking infrared (FLIR) and long-range daylight video cameras. Readable in all light conditions, these rugged displays provide anytime readability to ensure you won't miss a moment of the action, no matter your application. With leading-edge functionality, including multiple video inputs, picture-in-picture, quad view, and video freeze-frame, our displays are ready for many roles, including moving map or quad view operator displays, and are ideal for use with our fully integrated video management system (VMS).

  • Visible PTZ Security Cameras

    Quasar™ 4K IR PTZ Cameras - Teledyne FLIR

    With crisp 4K video resolution, on-board long-range IR illumination, and 22x or 31x optical zoom options, FLIR Quasar™4K IR PTZ cameras deliver critical situational awareness. Exceptional field of view gives operators the ability to seamlessly monitor key details throughout large areas. The combination of high-performance optics and sensors, exceptional low light visible imaging, and effortless integration with all major third-party VMS and FLIR United VMS makes Quasar 4K IR PTZ cameras an ideal solution for critical infrastructure sites and remote facilities that require close monitoring.

  • Single-Functional Testers

    3122 - Metrel d.d.

    The MI 3122 SMARTEC Z Line-Loop / RCD is designed specifically for live circuit testing. The instrument contains integrated characteristics of fuses and RCDs for the evaluation of test results. The online voltage monitoring system allows the operator to control what is happening on three simultaneous voltages in real-time. The bright red and green PASS / FAIL lights and help screens for each measurement make the handling of the instrument easy and clear. All the results can be quickly saved on the instrument and then downloaded via the optional A 1291 EuroLink PRO or A 1290 EuroLink PRO Plus software for evaluation and professional report generation after testing.

  • Programmable DC Electronic Load

    63000 Series - Chroma ATE Inc.

    The 63000 Series programmable DC electronic loads are reliable, precision instruments primarily designed to test switching power suppl ies, A/D power suppl ies, power electronic components, adapters, 3C batteries and chargers. Its maximum 350W rated power makes it suitable for testing numerous types of lower power devices. The 63000 Series offers models in two operating voltages 150V models, with 250W and 350W power levels up to 60A in a single unit. Their compact and light weight design make these loads easy to move around which is ideal for R&D and design validation. Each model of the 63000 Series has unique user-def ined waveform (UDW) funct ion capable of simulating real-world custom waveforms. In addition, a data storage function has been built in for saving and recalling up to 100 stored settings at any time. For automated testing, these save and recall functions can save a great deal of time. The 63000 Series has 3 power ranges that can precisely measure the voltage and current in real time. Since short circuit testing is a critical test item, the 63000 provides short circuit simulation to effectively address application demands for power and automated testing.

  • Premium Multispectral Marine Camera with Stabilization and Extended Range

    M364C LR - Teledyne FLIR

    Featuring a high definition low light camera and one of the most advanced FLIR thermal imaging cores, the M364C-LR provides an elite level of awareness on the water. The M364C LR uses multispectral imaging to deliver exclusive FLIR Color Thermal Vision™ (CTV) technology. Color Thermal Vision blends visible camera details with a thermal image, allowing captains to positively identify navigation aids and other vessels within the thermal scene. Outstanding imaging performance, a narrow field of view lens for extended range performance, and gyro-stabilization make the M364C LR an indispensable tool for law enforcement professionals and commercial mariners.

  • Fully Automatic Colorimeter

    DRK103C - Shandong Drick Instruments Co., Ltd.

    (1)5 inch TFT color LCD touch screen, the operation is more humanized, new users can be mastered in a short period of time using the method.(2)Simulation of D65 lighting lighting, using CIE1964 complementary color system and CIE1976 (L*a*b*) color space color difference formula.(3)The motherboard brand new design, using the latest technology, CPU uses 32 bits ARM processor,improve the processing speed, the calculated data is more accurate and rapid electromechanical integration design, abandon cumbersome testing process of the artificial hand wheel is rotated, the real implementation of the test program, a determination of the accurate and efficient.(4)Using d/o lighting and observation geometry, diffuse ball diameter 150mm, diameter of the testing hole is 25mm.(5) A light absorber, eliminate the effect of specular reflection.(6)Add printer and imported thermal printer, without the use of ink and color, no noise when working, fast printing speed.(7) Reference sample can be physical, but also for data,? Can store up to ten only memory reference information.(8) Has the memory function, even if the long-term shutdown loss of power, memory zeroing, calibration, standard sample and a reference sample values of the useful information is not lost.(9) Equipped with a standard RS232 interface, can communicate with computer software.

  • Solar Tracking and Pyranometers

    Sutron Corporation

    The demand for energy increased rapidly over the past few decades and the trend is not expected to stop in the near future. These made researchers focus on renewable energy sources due to the environmental pollution caused by the existing conventional energy sources. Solar energy is one of the renewable energy that has been under deep research. Unfortunately, the main problem with this solar energy is lack of efficiency. Different positions of the sun throughout the day causing the static photovoltaic modules position inefficient. This paper discusses design of two-axis solar tracking system that considers multiple input parameters such as solar radiation and photovoltaic module output power for more efficient solar tracking algorithm. Some of solar tracking system conducted by other researchers uses various types of sensors including light dependent resistor (LDR) which is not efficient and can be easily affected by external environmental factors. Instead, this paper proposes the usage of pyranometer for measuring solar radiation as one of the input parameters. The solar tracking system controlled by PIC microcontroller that collects multiple input parameters and uses developed algorithm to control stepper motor movement for optimal photovoltaic module positioning. Solar Tracking System Utilizing Pyranometer for Optimal Photovoltaic Module Positioning (PDF Download Available). Available from: http://www.researchgate.net/publication/258106747_Solar_Tracking_System_Utilizing_Pyranometer_for_Optimal_Photovoltaic_Module_Positioning [accessed Dec 2, 2015].

  • HD VideoScope Plumbing Kit with HDV600 Monitor with 25mm camera head, 60° FOV/Long Depth of Field Probe (10m)

    HDV650-10G - Extech Instruments Corporation

    The Extech's HDV650-10G Plumbing Videoscope Kit unveils problems with its large, waterproof, rugged, high definition color display and a 10 meter snake probe with 25 mm diameter camera head. The Extech HDV65010G has a built-in bright lights which help illuminate the problem area deep within the pipelines. The camera probe is rugged enough to dislodge small clogs. The Extech HDV650 10G is ideal for inspecting P-traps, 90s, drains, pipeline runs, and more. Complete with VideoScope, 25mm camera probe, SD card, 3.7V rechargeable battery, patch cable, AC adapter (110-240V, four plugs), USB and AV cables, and hard carrying case.

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