Microwatt/ cm2 to milliwatt/ m2

microwatt/ cm2 to milliwatt/ m2

Our conversions provide a quick and easy way to convert between Power or Electricity units. TIP: If the result of your conversion is 0, try increasing the "Decimals". How to convert milliwatts to microwatts: Enter a value in the milliwatts field and click on the "Calculate microwatts" button. Your answer will appear in the microwatts field.

Megawatt a Horsepower (MW a HP)

The following is a list of definitions relating to conversions between millwatts and microwatts. The symbol for milliwatt is mW. There are 0. There are 1, microwatts in a milliwatt. Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

For quick reference purposes, below is a conversion table that you can use to convert from milliwatts to microwatts. The following tables provides a summary of the Power or Electricity units within their respective measurement systems. While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. Check Your Math. Please re-enable javascript in your browser settings.

Conversion Calculator Enter your value in the conversion calculator below. Convert milliwatts to microwatts milliwatts. Conversion Definitions The following is a list of definitions relating to conversions between millwatts and microwatts. What is a milliwatt mW?

EMF / RF Conversion Tables

Conversion Formula Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. Conversion Table For quick reference purposes, below is a conversion table that you can use to convert from milliwatts to microwatts.

Related Units The following tables provides a summary of the Power or Electricity units within their respective measurement systems. Find a Conversion Looking for a conversion? Select a conversion type and the desired units. Go to Conversion. Share on:.Our conversions provide a quick and easy way to convert between Power or Electricity units.

TIP: If the result of your conversion is 0, try increasing the "Decimals". How to convert microwatts to milliwatts: Enter a value in the microwatts field and click on the "Calculate milliwatts" button. Your answer will appear in the milliwatts field. The following is a list of definitions relating to conversions between microwatts and millwatts.

There are 1, microwatts in a milliwatt.

microwatt/ cm2 to milliwatt/ m2

The symbol for milliwatt is mW. There are 0. Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. For quick reference purposes, below is a conversion table that you can use to convert from microwatts to milliwatts. The following tables provides a summary of the Power or Electricity units within their respective measurement systems.

While using this site, you agree to have read and accepted our Terms of Service and Privacy Policy. Check Your Math. Please re-enable javascript in your browser settings. Conversion Calculator Enter your value in the conversion calculator below.

Convert microwatts to milliwatts microwatts. Conversion Definitions The following is a list of definitions relating to conversions between microwatts and millwatts. What is a milliwatt mW?

Conversion Formula Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper. Conversion Table For quick reference purposes, below is a conversion table that you can use to convert from microwatts to milliwatts.

Related Units The following tables provides a summary of the Power or Electricity units within their respective measurement systems. Find a Conversion Looking for a conversion? Select a conversion type and the desired units. Go to Conversion. Share on:.We love answering your questions about UV. This is one of many questions posted on an interesting Web Site that should be great for elementary and secondary school students, not to mention adults as well!

The transparency is quite high so almost all UV-A light will pass through glass. This is a very complex issue. First, you have to be able to calculate the fluence rate irradiance distribution within the UV reactor. This requires a sophisticated computer program. Then you must carry out a volume average of the fluence rate irradiance over the entire reactor. The fluence UV dose is then the product of the average fluence rate and the residence time.

This calculated UV dose is a "theoretical maximum" because it assumes that the air is perfectly mixed in a radial sense as it passes through the reactor. This is usually not the case, so the actual fluence UV dose will be less than the theoretical maximum. One can experimentally measure UV dose by using biodosimetry. Here a non-pathogenic microorganism is infected into the air upstream of the UV reactor and allowed to thoroughly mix in the air stream.

Samples are taken of the upstream and downstream air after mixing. These are then compared with a laboratory determined using a collimated beam apparatus fluence UV dose -response curve, where the fluences UV doses are accurately known. Most molecules have absorption bands in the UV region.

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The absorption properties of a molecule are described by the "absorbance" A defined as. The absorbance is also related to the concentration of the substance let's call it X by the relation.

When a molecule absorbs light, it is raised to an excited electronic state. In this excited state, it can react either by dissociation or by reacting with another molecule - this is called "photochemistry"; it can also return to the ground state either by releasing the excess energy as heat or by emitting a photon of light this is called fluorescence. A "blacklight" is a fluorescent light tube that emits at about nm - this is just below the wavelengths that humans can see, but it is absorbed by most pigments in clothes so that they "fluorescence".

This is the effect seen in many bars and discos. I'm not sure what you mean by a "bluelight" - perhaps you means "germicidal" low-pressure mercury lamp. They do glow "blue", but most of their output is at nm, so DO NOT look directly at such a lamp when it is operating.

These lamps are used in air and water disinfection, since the nm light is absorbed by DNA in bacteria and viruses causing their inactivation. Yes, Fenton's reagent would be very effective as an antimicrobial treatment of wastewater. It is more a question of economics.

EMF and EMR Conversion Formulas

Lowering the pH to is very costly and increases the dissolved solids level of the water. I think that you would find that UV disinfection would be a much cheaper process that Fenton's treatment.

Note that the term "dose" "dosage" is a word that is redundant with "dose" and should be discouraged is normally applied in situations where the radiation is totally absorbed e. This is why the term "fluence" which is defined in terms of UV "incident" on a tiny sphere from all directions is more appropriate.

Very little is known about the inactivation of Anthrax spores by ultraviolet light in air. One would have to arrange that the UV irradiance would be high enough so that the spores would receive a sufficient UV dose.

If one were to set up such an arrangement, there would have to be safeguards to avoid exposing the workers' eyes to UV and also the workers should wear latex gloves to block UV from exposing the skin of the workers. You are justifiably confused about the word "radiation". I prefer to use the term "UV light" rather than "UV radiation" for the very reason that you are confused.Random converter.

The EV range is -4 to The lux range is 0. More info Did you know you can easily create a small motor using simple things: a magnet, a battery, a screw and a piece of copper wire? Click or tap to find out how to make it! This value depends on the human perception of brightness for light of different wavelengths, corresponding to different color.

microwatt/ cm2 to milliwatt/ m2

Illuminance calculations are adjusted for each wavelength because humans perceive light of a wavelength of about nanometers green and close to it yellow and orange as brighter, while light of longer or shorter wavelengths purple, blue, red as darker. Illuminance is often likened with how bright an object appears to the human eye. Illuminance is inversely proportional to the area over which the light is scattered.

This means that for the same light source illuminance would be greater for a smaller area, and smaller for a greater area. One can think of illuminance as the light that is going towards the object, or in particular the amount of light, just as it touches the surface. This is different from luminance, which is the amount of light reflected from the surface. It is easy to remember it if you think that:. Our perception of brightness can be either the perception of the light reflected from the surface luminanceor light going to the surface illuminanceor even the total amount of light in the room.

It could also be a combination of some or all of these, depending on the situation. We could also think of the area as being bright, or the object as being bright, or the light source as being bright. This is one of the reasons why the word "brightness" is not widely used in science.

One of the most common units for measuring Illuminance is a lux. It is an SI unit. One lux is one lumen per square meter. A foot-candle is a non-metric unit for measuring illuminance.

It is used in photography and film, as well as in some other areas. A light meter is a device that measures illuminance by converting the light detected by the photodetector to electricity and then measuring it. There are light meters calibrated in different units, but lux meters are some of the most common ones.

Light meters are widely used in photography and videography, in the area of occupational safety, in museum conservation, in plant cultivation, and in many other areas of human activity, where light plays an important role. People who work in dim lighting conditions may suffer from deterioration of vision, depression, and other physiological and psychological problems. Therefore many health and safety codes for workplaces include specifications on what the minimum illuminance should be in the work environment.

This is generally measured by the light meter. The meter adjusts the reading based on the area of the room to ensure that there is enough light for the entire room. Cameras are equipped with devices for measuring illuminance, because a camera has to allow an adequate amount of light onto the film or the imaging sensor, based on the illuminance of the object being photographed.

Photographers and videographers also measure the illuminance to ensure that the light setup in the studio or on location is adequate. This can be done either by the camera or by an external light meter. Still cameras can take pictures in low light conditions by opening the shutter for a long time, to allow enough light in.

Video cameras are limited in this respect and need artificial lighting in dark conditions, otherwise the resulting video will not be bright enough.

Some cameras work better in low light than others — camera manufacturers sell cameras designed for these conditions.The watt symbol: W is a unit of power. In the International System of Units SI it is defined as a derived unit of 1 joule per second[1] and is used to quantify the rate of energy transfer.

When an object's velocity is held constant at one meter per second against a constant opposing force of one newtonthe rate at which work is done is one watt. In terms of electromagnetismone watt is the rate at which electrical work is performed when a current of one ampere A flows across an electrical potential difference of one volt Vmeaning the watt is equivalent to the volt-ampere the latter unit, however, is used for a different quantity from the real power of an electrical circuit.

Two additional unit conversions for watt can be found using the above equation and Ohm's law. The watt is named after the Scottish inventor James Watt. In Octoberat the International Conference on Electric Units and Standards in London, [8] so-called "international" definitions were established for practical electrical units.

After the 9th General Conference on Weights and Measures inthe "international" watt was redefined from practical units to absolute units i.

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Texts written before are likely to be using the "international" watt, which implies caution when comparing numerical values from this period with the post watt. Technologically important powers that are measured in femtowatts are typically found in references to radio and radar receivers. For example, meaningful FM tuner performance figures for sensitivity, quieting and signal-to-noise require that the RF energy applied to the antenna input be specified.

These input levels are often stated in dBf decibels referenced to 1 femtowatt. This is 0. Technologically important powers that are measured in picowatts are typically used in reference to radio and radar receivers, acoustics and in the science of radio astronomy. One picowatt is the international standard reference value of sound power when this quantity is expressed as a level in decibels.

Important powers that are measured in nanowatts are also typically used in reference to radio and radar receivers.

Important powers that are measured in microwatts are typically stated in medical instrumentation systems such as the EEG and the ECGin a wide variety of scientific and engineering instruments and also in reference to radio and radar receivers.

Compact solar cells for devices such as calculators and watches are typically measured in microwatts. A typical laser pointer outputs about five milliwatts of light power, whereas a typical hearing aid for people uses less than one milliwatt. The kilowatt kW is equal to one thousand 10 3 watts.

This unit is typically used to express the output power of engines and the power of electric motors, tools, machines, and heaters.Random converter.

Did you know that human urine was taxed in Ancient Rome? Find out why! Power in physics is the ratio of work to time. Here, work refers to the amount of force F needed to move a body along the distance s. It could also be defined as the speed of energy transfer.

Power is measured in joules per second, or watts. Along with watts, horsepower as a unit is also used. Until the invention of engines, power was not measured formally, and there were no units associated with it. After the steam engine was invented, James Watt, an inventor and engineer, worked on improving it and on making it more efficient. Power is one indicator of efficiency — if a given engine is modified and its power output increases, so does its efficiency.

microwatt/ cm2 to milliwatt/ m2

To show the efficiency of the improved engine Watt suggested horsepower as a unit of power. Until the invention of engines, humans relied mainly on human and animal manual labor, so it was natural for Watt to compare the power output of the new steam engine with the power of horses, especially because not every mine where he marketed his steam engine used technology; some used only horses.

Thus, having a standardized measure was useful for comparing the power output between different engines and horses. This measure was later used for other machines such as automobiles. Watt measured this unit of power by observing and evaluating the work of draft horses in a mill.

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One horsepower is equivalent to watts. It is now believed that horses are not capable of working at this capacity for a long period of time, but the unit stays unchanged. Even though watts as a unit have existed nearly as long as horsepower, the latter is more commonly used in the automobile industry. Household appliances generally have their power indicated on them. Light fixtures sometimes allow only light bulbs of or below a certain power, for example, 60 watts. This is because light bulbs with greater power may damage the lamp or the fixture due to the heat they produce.

In household lighting, this problem may be solved by using lamps that are not incandescent, as those generally consume considerably less power for the same brightness output. Most manufacturers are working on improving the efficiency of appliances, as well as light bulbs.

The brightness or luminosity of a light bulb depends on power and the type of bulb.Call us at or click the button below to schedule your building health assessment.

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Request a Site Visit. How many nanoTesla nT are in 2. What we do know, and what is clearly presented in the BioInitiative Reportis that there is cause for concern with current levels of exposure in the US. The RF limits established by the FCC are actually quite complicated because they allow different power densities for each bandwidth. This makes measuring for compliance with FCC guidelines a rather expensive endeavor.

Now you can translate the numbers from your meter into similar units as used by these existing guidelines. Personally, I lean toward the precautionary principle and like using the Building Biology thresholds whenever possible.

The units on the meter are usually nanoTesla nT or milliGauss mG. The most common RF conversion I run into is for the following: Converting microWatts per square meter to microWatts per square centimeter:.

After that, the next six are for radio frequency RF power levels. And the final four are concerned with magnetic fields. Also, in the conversion tables, you will find some numbers abbreviated with an exponential notation. For instance, 2. And 7. Thank you both! We test your building or property to find harmful pollutants. Healthy Building Science. Subscribe to our e-mail newsletter to receive helpful updates and articles from Healthy Building Science.

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