Products/Services for Lux Meter Principle

  • Lux Meters (Light Meters)-Image
    Lux Meters (Light Meters) - (153 companies)
    Lux meters or light meters measure illumination in terms of luxes (lx) or foot candles (fc). A lux is equal to the total intensity of light that falls on a one square meter surface that is one foot away from the point source of light. A foot candle... Search by Specification | Learn More
  • Level Sensors-Image
    Level Sensors - (1098 companies)
    ...and the simplest to use and install but they are subject to user error in level reading. Analog meters or indicators which use an analog meter with a needle or an LED indicator to identify the level of fluid in the system. Digital readouts which feature numerical... Search by Specification | Learn More
  • Flow Meters-Image
    Flow Meters - (1664 companies)
    Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas. How to Select Flow Meters. Image Credit: Aalborg Instruments, Clark Solutions. Flow meters are devices for measuring... Search by Specification | Learn More
  • Meter Provers and Flow Proving Components-Image
    Meter Provers and Flow Proving Components - (17 companies)
    Meter provers and flow proving components provide a known traceable volume to simulate actual operating conditions to test and verify the performance of flow meters and transfer meters. Flowmeter accuracy is very important in many industries... Learn More
  • Gas Flow Meters-Image
    Gas Flow Meters - (427 companies)
    ...of flow meters, but most can be classified by the means in which it measures flow. Differential pressure flow meters rely on Bernoulli's principle, measuring pressure drop over an obstruction inserted in the flow to correlate to gas flow. Velocity flow... Search by Specification | Learn More
  • S Meters - (13 companies)
    ...a receiver 's detector stage is applied to an ammeter. If the receiver has an automatic gain control (AGC) amplifier, this stage can be used to drive the S meter and control the gain of the receiver. S meters are calibrated in terms of S units up... Search by Specification | Learn More
  • Utility Meters - (126 companies)
    ...with a pointer, usually a needle, which moves a marker. After a demand meter is read, an operator resets its value with a magnet. Variable rate utility meters or multiple tariff meters allow utilities to charge customers different rates (tariffs... Learn More
  • VU Meters - (11 companies)
    ...resistance in which 1 milliwatt (mW) of sine-wave power flows at 1000 cycles per second (CPS). Most VU meters have a scale from -20 to +3, and rise and fall times of 300 milliseconds (ms). If a constant sine-wave of 0 VU is applied, the meter... Search by Specification | Learn More
  • Digital Resistance Meters - (217 companies)
    ...that consists of connecting the two leads together and zeroing the meter with the adjustment knob. Ohmmeter principles. Video Credit: NTS Press. Specifications. Digital resistance meters typically display between three and seven digits along with a leading... Search by Specification | Learn More
  • SWR Meters - (8 companies)
    ...a full case or cabinet and integral interface. SWR meters with a clamp meter form-factor measure current through wires that are still connected to a live circuit. Rack-mounted SWR meters come with hardware such as rail guides, flanges and tabs... Learn More
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  • Advances in Visual Computing
    According to the fact sheet of the Ibeo LUX sensor it can detect obstacles with a (diffuse) reflectivity of 10% up to 50 meter and has an average scanning distance of about 200 meter. The basic principle of measuring distances is described in Section 3.2.
  • Electrical measurement
    Equation 13 Gray 14 Henry 14 Hertz 14 joules 14 kelvins 11, 12 kilograms 11, 12 coherent 13 lumen 14 lux 14 meter 11 mole 11, 12 14 ohms 14 pascal 13, 14 second 11, nicht-kohärente to newtons 14, 12 SI... ...switching images of a capacity 221 replacement voltage source 130, 132, 217, 218 principle 130 replacement current...
  • Photobiology
    The general principle is shown in Fig. 4.5. Because selenium barrier layer cells have a spectral sensitivity somewhat resembling that of the human eye, they are used in photometers ( lux meters .
  • Electrical Craft Principles, Volume 2
    402 Electrical craft principles ...219 losses, transformer 192 low power factor, disadvantages 114 low-pressure sodium lamp 356 lumen 339 luminaire 340 luminous flux calculation 344 luminous flux 338 luminous intensity 338 lux 339 machines, DC 219... ...354 mesh connection 86 meter , power factor 109 microfarad...
  • A teaser made simple: a didactic measurement of the spectral answer of a human-eye-calibrated lux meter
    ...detector, other than the human eye, has its own ‘luminosity function’ and in principle each one could... Among the light detectors, the lux meter has the peculiar feature of directly providing an answer in photometric units; this is the ultimate meaning of an instrument having the same spectral response as that of our eye.