This specification covers high precision tri vectors static energy meters bidirectional. A rotameter is a device that measures the flow rate of liquid or gas in a closed tube rotameter. The trivector group consists of trivector traffic, trivector system and trivector logiq. Under the alternating current effect, the electromagnetic coils mounted on the measuring tube will make two parallel measuring tubes vibrating at a certain fixed frequency. This meter is used for commercial metering as well as for small industrial loads. Feb 20, 2018 trivector meters are used to measure 1. These instruments can measure both energy and energy. Get best price and read about company and get contact details and address. Electrical energy meters principles and applications energy management. Electronic trivector meter, er300p pride is a multipurpose unit which integrate several functions and replace various equipments for metering energy parameters.
It is used in domestic and industrial ac circuit for measuring the power consumption. The total energy shall be logged in the meter memory and be capable of downloading to the. Fundamental electrical and electronic principles contains 349 illustrations, 112 worked examples, 26 suggested practical assignments and 234 assignment questions. The offered meter will count the number of cycles in vt output during each successive 15 minute block and divide the same by 900 when supply voltages are present to arrive at the average frequency the meter will also compute the reactive power on 3phase, 4wire principle, with an. The trivector meter is a measuring instrument that measures the kw, kvar, the kva of a power line. The basic difference between a trivector meter and multi function meter is that a trivector meter cannot display the tariff it can display kwh and from that reading the tariff and cost has to be calculated manually, where as a multi function meter can display tariff also if programmed properly. This meter is acknowledged for its reliability, accurate performance and best designs. Both the current and the potential are used to calculate the conductance iv.
How to use cmricommon meter reading for electronic tri vector energy meter. Trivector meters are normally used in substations and to measure the power flowing through the feeders. Its main functions include energy measurement, data display, communication, prepayment, contactor. It replaces a set of instruments which must otherwise be installed and has the advantage of yielding full and more accurate data the trivector meter consists of three different. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. A second terminal block between the current transformer and the meter simplifies service work. The meter window shall be transparent and made out of uv stabilized material so that the window does not turn yellow after some years. How to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. What is the basic working principle of tri vector meter answer sourav dutta this is a instrument, which measures kvah and also kva of maximum demand. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load, reactive load, apparent load etc. Therefore, the analogue signals are converted to digital by the circuit called adc analogue to digital converter. Trivector meter can measure active power free download as word doc.
They are used for the billing power of industrial customers. Rotameter working principle animation instrumentationtools. What is difference between trivector meter and tod meter. Banking on our quality oriented professionals, we are offering trivector meter to our clients. The ac kilowatt hour meters used at present operate on the same principle as blathys original.
A digital tachometer is a digital device that measures and indicates the speed of a rotating object. Er300p is an energy meter that measures active, reactive and apparent energies on 3 phase 4 wire systems in all four quadrants. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. Etvm has many functions which are not available with ordinary meters s. Amazon also sells certain lowend products under its inhouse brand amazonbasics search for venturi meter principle download pdf download. Even though there are several designs of ultrasonic meters on the market today, the principle of operation remains the same. It belongs to a class of meters called variable area meters, which measure flow rate by allowing the crosssectional area the fluid travels through, to vary, causing a measurable effect. Home working principle venturimeter principle venturi meters for measurement of the fluid flow rate. Trivector meter synchroscope construction and working of weston type phase sequence indicator construction and working of. Year of establishment the principle of operation of trivector energy meter is explained with the help of block. Technical specification for common meter reading instrument cmri this specification covers supply and delivery of common meter reading instrument cmri for reading uploading the data of different make of meters and to have a capability to dump download the same to the base computer system. We are only operating services in support of essential services around the globe. In response to comments from colleges requesting that the contents more closely match the objectives of the btec unit electrical and electronic principles, some chapters have been removed and some exchanged with the. The overall working principle of ph sensor and ph meter depends upon the exchange of ions from sample solution to the inner solution ph 7 buffer of glass electrode through the glass membrane.
The range includes single phase meters to trivector meters. The conductivity meter a typical conductivity meter applies an alternating current i at an optimal frequency1 to two active electrodes and measures the potential v. Lt whole current meter trivector meter er300p model er300p is a multipurpose unit which integrates several functions and replaces various equipment for metering energy parameters. If an ammeter is of dc type, then it has polarity signs on it for ensuring appropriate connection for an upscale indication.
May 07, 2018 hi, you cannot collect data without suitable mri meter reading instrument or respective company applications. Thermal mass flow meters work by measuring the amount of h eat transfer a gas. The answers to the latter are to be found towards the end of the book. Digital tachometers are more common these days and they provide numerical readings instead of dials and needles. Principle of working of abt meter the cpu central processing units only accepts digital signals. How to use cmricommon meter reading for electronic tri vector. Trivector meter can measure active power capacitor components. Overview of flowmeter models matheson offers a complete line of variable area flowmeters to meet your application requirements. The sample load survey data download format is attached. Dec 02, 2016 how to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. Semsites at all our sites in india are now working from home.
China best supplier energy logger personal electric meter power meter dimension 1 where is your factory9 our factory is located in qiaoqian industry area, liushi town, yueqing city, zhejiang province, 325603 china. The efficiency of the electric motor is about 92 %. The majority of semsites in the uk and australia are also working from home. Once the mercury pool was exhausted, the meter became an open circuit.
Erp pride is a multi purpose unit which integrate several functions and replace various equipments for metering. Turbine flow meter working principle turbine flow meter is a volumetric measuring turbine type. Whats meant by trivector meter where it is connected at the. Electronic trivector meter pdf the 3 phase ct operated trivector meter is designed for metering of htlt consumers and for feeders. Whats meant by trivector meter where it is connected at the substation answer chakra babu gundra. The conductivity meter then uses the conductance and cell constant to display the conductivity.
Electrical energy meters principles and applications. Missing potential to metering circuit with phase identification. The power triangle is sum of kw, kvar, kva and the meter which gives readings all of the above variables is called tri vector meter. Jul 16, 2012 the basic difference between a trivector meter and multi function meter is that a trivector meter cannot display the tariff it can display kwh and from that reading the tariff and cost has to be calculated manually, where as a multi function meter can display tariff also if programmed properly. Pressure drop devices based on bernoulli principle a venturi b orifice plate c pitot tube 2. Turbine flow meter working principle instrumentationtools. The meter is ct operated at 5 amperes per phase and had a. The cpu processes these input signals for finding kva vi, kwh vi cos, rkva vi sin and other parameters. Abt meters electrical substation analog to digital converter. Our three factories in india have been shut down and workers are at their homes. He says the music was so loud it hurt his ears padatnya traffic juga bisa mempengaruhi modem untuk sering disco, terutama pada peak time. Please use one of the following formats to cite this article in your essay, paper or report.
Hi guys, currently i am working with three phase four wire connection for whole current meter. The order of the chapters does not necessarily follow the order. The trivector meter is a measuring instrument which measures the active power, reactive power and total energy consumed of a power line. What is the basic working principle of tri vector meter. When connected to loads, they consume less power and start measuring instantaneous. The specification covers the design, engineering, manufacture, assembly, testing supply and delivery of electronic ht tri vector meters suitable for abt availability based tariff, four quadrant, bidirectional power flow, solidly earthed system with. Trivector meter trivector meter is designed to record active, reactive and apparent power along with m. Our trivector meter is a true four quadrant, three vector meters with mdi and has an automatic self diagnostics check. The meter should be suitable for working with following supply system variations. Trivector meter can measure active power,reactive power,apparent power i. Abt meters free download as powerpoint presentation. Electronic energy meters are accurate, precise and reliable type of measuring instruments when compared to electromechanical induction type meters.
The havells trademark is a property of havells industries now havells india limited and we, our promoters and members of our promoter group are not associated in any manner with havells india limited or its promoters the havells trademark is a property of havells industries now havells india limited and we, our. Tom completed the trivector with his story of going to the bar, asking a girl out on a date, and later attempting to slay said girl, ultimately failing miserably. A rotating object may be a bike tyre, a car tyre or a ceiling fan, or any other motor, and so on. Download as ppt, pdf, txt or read online from scribd. Get trivector meter at best price with product specifications. In particular, conventional current flows into the positive terminal for an upscale meter deflection as shown in above figure. Meter display mode is default as automatic scrolling display when power on. Trivector consists of three subsidiaries each specialising in a particular area. So, electronic type of threephase energy meter is explained below with its working principle. Working principle of trivector meter electrical machines. Introduction to digital tachometer circuit working with. But u can see total commulative consumption on display by pressing up down keys on meter. No derivations, working principle only measurement of resistance ohm meter series and shunt type, multimeter and megger, cathode ray oscilloscope.
That is, they measure the velocity of the gas within the meter body. Ultrasonic flow meter ultrasonic meters are velocity meters by nature. These immaculately accurate trivector meters are available with 0. It is truly versatile and is able to give best performance for years. In the absence of supply, it provides even the minute readings. This textbook supersedes the second edition of fundamental electrical and electronic principles. Abt meters electrical substation analog to digital. A digital tachometer circuit comprises lcd or led read out and a memory for storage. Ammeter definition and working principle electrical. Trivector offers services within the areas of transport, itsystems and business development. Hi, you cannot collect data without suitable mri meter reading instrument or respective company applications. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. Overview hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment.
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