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# Electric Meter

26 Threads found on edaboard.com: Electric Meter

## smart electric meters

hello everybody, if any one has ever installed smart electric meters could u tell me what deffeciency did u find in those meters? I'm planning for a project based on smart meters & don't want to leave any disadvantages in it . I'll try to make the best electric meter . but only thing is (...)

## Mdi and rules for resetting it

I want to know whether the MDI recorded in electric meter is reset every time the meter reading is done. If yes then I will like to know the reference or rule under which it is done. Please guide. Dr J s suri

## Weird Multimeter Behavoir???

Extremely high input impedance and any ambient electric field, or even self-generated (kick-back) noise will do that. If the range of fluctuation varies with probe separation and orientation of the leads, it's the ambient field.

## Why the electric energy meter turn fast?

When the incandescent lamp suddenly become dark in my home,I noticed that the electric energy meter turn fast, what are the reasons?

## how to calculate electricity usage(kwh/day) calculated from labels?

My friend Jefrrey explain correct calc. Sometimes if we have periodic turning on of some device this is hard to calc with some formula. Example is refrigerator, compressor will turn on when needed or termostat say. For this situations use exact measurement with electric meter

## Interfacong Speaker with Atmega16

to produce beep sound u need not to connect a speekr a piezo electric buzzer is enough to produce it u can connect it through a transistor like BC547

## Are these calculations right about solar panel ?

sun is 1.1KW/m^2 Its right! Total energy form sun on a square meter is in the form of heat and light. Its in continuous as long as its shining, that is for example a 1.1KW electric heater will emit same amount of energy as long as it is connected to mains. Or sunlight through a glass window of 1 m2 in aroom will heat equal to 1KW he

## LCD 3 Phase multifunction power meter

72279 For this device, can measure the basic real data such as such as U, I, P, Q, S, COSΦ, F, kWh, kVAr, etc. Auxiliary module can make extend function: harmonic analysis; remote signals input,;electric relay output; programmable analog outputs;data storage;Profibus communication; Ethernet communicat

## wireless (rf) embedded project- electric automatic meter

Hi. Im new learner for MikroC. I doing automated meter reading using rf. Transmitter is connected to the electric meter and it counts the pulses from it and displays it over the LCD display. It also transmits the data over wireless using RF. and i added few thing like RTC for clock and external EEprom for storing meter (...)

## Strobe rotational speed meter

Presented system is a meter of rotational speed of electric motors. Its main advantage is non-invasive measurement, what means that it lights a rotating object with a high power LED. The measurement is done by setting the frequenc

## Does a usual AA battery under no-load condition have external electric field?........

Yes it does have external electric field between its two terminals. If there are two points with a potential difference V separated apart by a distance d (in a dielectric like air or vacuum) then the electric field is given by E = V/d. If the geometry is complicated, corrections and appropriate relations apply.

## Reading Voltage FROM a current meter

Guys, I'd like to convert a variable current from 0~5A (From Generator source which will be AC) and convert it to analog voltage from 0~5Vdc.. Can you help paste a reference schematic or explain how to design as such.. I tried using OP-AMP but it burns after I get the current and convert it to DC voltage of an Industrial electric FAN.

## How this product work

Please confirm how this product Regards SK

## transformer drift characteristics?

Hi, Its been quite a while since I posted here.. Can anyone help me in my current problem, I have an electric power meter, after calibration (3 months) it failed... it uses ADE7755.. I will be doing some reliability testing on it in a couple of weeks and I need to know more about transformer characteristic vs. heat and vibration... does it a

## What cable to use for 12 VDC @ 15 Amps 5meters?

daviddlc, The proper wire gauge to use depends only on the current, not the voltage. In the USA, the proper wire gauge for a 15 Ampere circuit for house wiring is 14 Ga according the the national electric code. 14 Ga wire has a resistance of approx .0074 Ohms/meter, or .037 Ohms for 5 meters. This would result in a voltage drop of approx (...)

## How to measure electron speed?

what do you mean by speed electron? or speed of the electron ....that can be measured by finding/measuring its mobility using hall effect based Gauss meter which on multiplication with applied electric field will give velocity of electron...also no applied field no velocity i mean no mobility

## help me 4 my project, how 2 minimise the power theft

hi every11111 i seek help regard 2 my project on how 2 minimise the power theft by installing various electric meter......please sugest me name of sites.......and ideas plzzzzzzzzzzzzzz

## How does electric shock from water occur?

hai i having a simple doubt if we connect phase wire to pond fishes are getting shock. in water all potential will be equal then how fishes are dieng. or from were to were current will flow

## What exactly is the current density?

Current density is a measure of the density of electrical current. It is defined as a vector whose magnitude is the electric current per cross-sectional area. In SI unit, the current density is measured in amperes per square meter.

## Electric force Coulombs Law

Quote~"If two one-second collections of 1 Coulomb each were concentrated at points one meter apart, the force between them could be calculated from Coulomb's Law. For this particular case, that calculation becomes density of metallic copper is a

## can you give me some deails of prepaid electric meter

as a fifth year student in a university. we are ask to have a design in our respective field... in this regard, i would like to get idea or just any suggestion from the experts.. thank you.!

## How to measure energy consumed in our homes?

Hello everybody, Does anybody have a link or tutorial on how to measure energy consumed in our homes just like the watt meters for our electric bills? Thanks, JAck

## how electric meter UNIT drop based on principle of current

Plz tell me How the unit of electric meter drop by which criteria not using Revolution of disk of meter but using how much current is consume by the home device how unit of electric meter drop base on principle of how much current is used by the home appliances in other words tell me the procedure (...)

## Looking for electric field meter circuit design ?

I'm looking for a design of low level electric field detector too. I'm interested in the principle of operation of this probe: Can anybody help us? nebisman