May 07, 2018 hi, you cannot collect data without suitable mri meter reading instrument or respective company applications. Electronic energy meters are accurate, precise and reliable type of measuring instruments when compared to electromechanical induction type meters. Hi, you cannot collect data without suitable mri meter reading instrument or respective company applications. 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.
A rotameter is a device that measures the flow rate of liquid or gas in a closed tube rotameter. Semsites at all our sites in india are now working from home. Jun 15, 2018 impedance, which is having both magnitude and phase, is truly an opponent to the flow of current in ac circuits with the presence of an applied voltage. The total energy shall be logged in the meter memory and be capable of downloading to the. Meter display mode is default as automatic scrolling display when power on. The answers to the latter are to be found towards the end of the book. Abt meters electrical substation analog to digital converter. A digital tachometer circuit comprises lcd or led read out and a memory for storage. The meter is provided with a field to which entries can be made for this purpose ct or vt factor. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. Erp pride is a multi purpose unit which integrate several functions and replace various equipments for metering.
Electronic trivector meter, er300p pride is a multipurpose unit which integrate several functions and replace various equipments for metering energy parameters. What is the basic working principle of tri vector meter. Trivector meter is an energy meter which accurately measures all the parameters of supply such as voltage, current, power factor, active load. Trivector meters are normally used in substations and to measure the power flowing through the feeders. In the absence of supply, it provides even the minute readings. The trivector group consists of trivector traffic, trivector system and trivector logiq. The sample load survey data download format is attached. Overview hxe34kp three phase four wire prepaid keypad meter is designed for the purpose of prepayment. Technical specifications for high precision ht static. Introduction to digital tachometer circuit working with.
This meter is used for commercial metering as well as for small industrial loads. 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. The porosity of the glass membrane decreases with the continuous. Er300p is an energy meter that measures active, reactive and apparent energies on 3 phase 4 wire systems in all four quadrants. The 3 phase ct operated trivector meter is designed for metering of htlt consumers and for feeders. Fundamental electrical and electronic principles contains 349 illustrations, 112 worked examples, 26 suggested practical assignments and 234 assignment questions. Trivector meter synchroscope construction and working of weston type phase sequence indicator construction and working of. The cpu processes these input signals for finding kva vi, kwh vi cos, rkva vi sin and other parameters. In particular, conventional current flows into the positive terminal for an upscale meter deflection as shown in above figure.
Abt meters electrical substation analog to digital. The order of the chapters does not necessarily follow the order. But u can see total commulative consumption on display by pressing up down keys on meter. Home working principle venturimeter principle venturi meters for measurement of the fluid flow rate. Therefore, the analogue signals are converted to digital by the circuit called adc analogue to digital converter. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures. It is used in domestic and industrial ac circuit for measuring the power consumption. This meter is coated with abrasion resistant and water proof material. A second terminal block between the current transformer and the meter simplifies service work.
Working principle of trivector meter electrical machines. Trivector meter can measure active power capacitor components. Electronic trivector meter pdf the 3 phase ct operated trivector meter is designed for metering of htlt consumers and for feeders. How to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. 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. Its main functions include energy measurement, data display, communication, prepayment, contactor. How to use cmricommon meter reading for electronic tri vector energy meter. Trivector consists of three subsidiaries each specialising in a particular area.
Get trivector meter at best price with product specifications. Hi guys, currently i am working with three phase four wire connection for whole current meter. Trivector meter can measure active power free download as word doc. Both the current and the potential are used to calculate the conductance iv. Please use one of the following formats to cite this article in your essay, paper or report. Electrical energy meters principles and applications energy management. The range includes single phase meters to trivector meters. No derivations, working principle only measurement of resistance ohm meter series and shunt type, multimeter and megger, cathode ray oscilloscope. 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. Trivector offers services within the areas of transport, itsystems and business development. Even though there are several designs of ultrasonic meters on the market today, the principle of operation remains the same. 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.
The meter is ct operated at 5 amperes per phase and had a. 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. 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. The vector impedance meter is employed for measuring both the amplitude and phase angle of impedance z. He says the music was so loud it hurt his ears padatnya traffic juga bisa mempengaruhi modem untuk sering disco, terutama pada peak time. What is difference between trivector meter and tod meter. This specification covers high precision tri vectors static energy meters bidirectional. Free download ebooks they ranged from the player will receive a reward car after leveling up until reaching level 50. The conductivity meter then uses the conductance and cell constant to display the conductivity.
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. Principle of working of abt meter the cpu central processing units only accepts digital signals. 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. Get best price and read about company and get contact details and address. Download as ppt, pdf, txt or read online from scribd. 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 unknown similar to the much vaunted trifector, the trivector pertains to accomplishing or attempting to accomplish something within the range of three. Overview of flowmeter models matheson offers a complete line of variable area flowmeters to meet your application requirements. Turbine flow meter working principle instrumentationtools. Trivector meter can measure active power,reactive power,apparent power i. How to use cmricommon meter reading for electronic tri vector. 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. 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.
Our three factories in india have been shut down and workers are at their homes. The efficiency of the electric motor is about 92 %. 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. Trivector meter trivector meter is designed to record active, reactive and apparent power along with m. Once the mercury pool was exhausted, the meter became an open circuit. 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. They are used for the billing power of industrial customers. The meter case and meter terminal block and cover shall meet the is 14697 in all requirements like shock, dust proof, creepage distances and insulation etc. Ammeter definition and working principle electrical. Pressure drop devices based on bernoulli principle a venturi b orifice plate c pitot tube 2. Feb 20, 2018 trivector meters are used to measure 1. 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.
That is, they measure the velocity of the gas within the meter body. The meter window shall be transparent and made out of uv stabilized material so that the window does not turn yellow after some years. Etvm has many functions which are not available with ordinary meters s. Ultrasonic flow meter ultrasonic meters are velocity meters by nature.
Missing potential to metering circuit with phase identification. 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. Banking on our quality oriented professionals, we are offering trivector meter to our clients. When connected to loads, they consume less power and start measuring instantaneous. Abt meters free download as powerpoint presentation. The majority of semsites in the uk and australia are also working from home. These immaculately accurate trivector meters are available with 0. 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 meter should be suitable for working with following supply system variations. Turbine flow meter working principle turbine flow meter is a volumetric measuring turbine type. 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. Rotameter working principle animation instrumentationtools. The trivector meter is a measuring instrument that measures the kw, kvar, the kva of a power line.
Dec 02, 2016 how to check meter reading of three phase digital meter, all parameters kwh, kvah, power factor etc. This meter is acknowledged for its reliability, accurate performance and best designs. We are only operating services in support of essential services around the globe. Whats meant by trivector meter where it is connected at the substation answer chakra babu gundra. It is truly versatile and is able to give best performance for years. Whats meant by trivector meter where it is connected at the. A rotating object may be a bike tyre, a car tyre or a ceiling fan, or any other motor, and so on. Our trivector meter is a true four quadrant, three vector meters with mdi and has an automatic self diagnostics check. So, electronic type of threephase energy meter is explained below with its working principle. Electrical energy meters principles and applications.
Amazon also sells certain lowend products under its inhouse brand amazonbasics search for venturi meter principle download pdf download. The ac kilowatt hour meters used at present operate on the same principle as blathys original. If an ammeter is of dc type, then it has polarity signs on it for ensuring appropriate connection for an upscale indication. Thermal mass flow meters work by measuring the amount of h eat transfer a gas. Types of energy meters and their working principles elprocus. 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. The trivector meter is a measuring instrument which measures the active power, reactive power and total energy consumed of a power line.
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