The Trivector meter is a measuring instrument which measures the kW, kVAr, the kVA of a power line. These instruments can measure both power as well as energy. Trivector meters are normally used in substations and to measure the power flowing through the feeders. They are used for billing power drawn by industrial customers. The Trivector enables the simultaneous measurement of different electrical parameters which enables accurate assessment of the power consumed.

Trivector is called so as it measures three vectors representing the ac ....etc

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An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device.Electric utilities use electric meters installed at customers' premises to measure electric energy delivered to their customers for billing purposes. They are typically calibrated in billing units, the most common one being the kilowatt hour . They are usually read once each billing period.When energy savings during certain periods are desired, ....etc

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To get full information or details of electronic energy meter please have a look on the pages

http://seminarsprojects.net/Thread-electronic-energy-meter-for-residential-purpose-embedded-project

http://seminarsprojects.net/Thread-gsm-based-remote-energy-meter-monitoring?pid=65671&mode=threaded

http://seminarsprojects.net/Thread-gsm-based-energy-meter--23814

http://seminarsprojects.net/Thread-prepaid-energy-meter--11061

if you again feel trouble on electronic energy meter please reply in that page and ask specific fields in electronic energy ....etc

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How does a lux meter works?
This may not be all about how it works, but some background is good too.A lux meter is a device for measuring brightness, specifically, the intensity with which the brightness appears to the human eye. This is different than measurements of the actual light energy produced by or reflected from an object or light source. The lux is a unit of measurement of brightness, or more accurately, illuminance. It ultimately derives from thecandela, the standard unit of measurement for the power of light. A candela is a fixed am ....etc

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Energy meters are the basic part to measure the power consumption. It is used everywhere, no matter how big or small consumption it is. It is also known as watt-hour meter. Here we discuss the construction and working principle of induction type energy meter.To understand the structure of watt-hour meter, we must understand the four essential components of the meter. These components are as follows:

Driving system

Moving system

Braking system

Registering system

Driving System

The components of this system are two silicon steel ....etc

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a portable instrument for measuring illumination; a type of photometer. The simplest luxmeter consists of a selenium photocell that converts luminous energy into the energy of an electric current, which is measured by a pointer-type microammeter with scales calibrated in luxes (Ix). Different scales correspond to different ranges of the illumination being measured; scale changes are made by a switch that changes the resistance in the electric circuit. For example, a Iu-16 luxmeter has three measuring ranges: up to 25, up to 100, and up to 500 I ....etc

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Respected sir,
Digital frequency meter topic is as activity for me .
i want information as follows,
1 introduction of instrument.
2 circuit diagram with components.
3 construction
4 working
5 application
6 advantage and disadvantage
7 preference
8 conclusion
. sir i want in detail information of topic
. hope u will provide me
. thanking u
. provide me info on my email.id
. [email protected]
Hope u will provide me info sir,
waiting for ur rly. ....etc

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The 3 Phase CT Operated Trivector Meter is designed for metering of HT/LT consumers and for feeders. The meter has advanced data and tamper recording capabilities and is provided with communication ports.

Software is available for data collection, load survey analysis and energy management applications. The meter can be interfaced to a variety of communication devices.
Features:
Class 0.2s, 0.5s, 1.0 as per relevant IS and IEC Standards
1A and 5A current rating
3 Phase 4 Wire/3 Phase 3 Wire system
Anti-tamper features
Self-diagnostic capabilit ....etc

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please send me trivector meter working principle,pls. ....etc

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construction and working of energy meter

Induction Type Meters

The principle of working and construction of induction type meter is very simple and easy to understand that's why these are widely used in measuring energy in domestic as well as industrial world. In all induction meters we have two fluxes which are produced by two different alternating currents on a metallic disc. Due to alternating fluxes there is an induced emf, the emf produced at one point (as shown in the figure given below) interacts with the alternating current of the o ....etc

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