Using the circuit from part 3, connect the oscilloscope as shown in figure 4. Working of single phase induction type energy meter the basic working of single phase induction type energy meter is only focused on two mechanisms. Powerlogic em4900 multicircuit meter 08x3p circuits ethernet and serial. What links here related changes upload file special pages permanent link. The 555 repeats the process several times a second, so that the meter needle remains steady. It is an i2cbus compatible 2kilobit eeprom organised as 256. Stpm01 programmable, singlephase energy metering ic external. Two disadvantages of glass electrodes are that measuring solutions can damage the glass membrane and that the glass membrane is easily broken. The task is to design, build and test a power meter circuit on the basis of an envelope. These meters are used for subtenant billing, overload protection, lighting control panels, load management and energy management. This sketch is intended to be used for illustrative purposes only. Basic circuits anumber of circuits are used frequently in fluid power systems to perform useful functions. Obtain your meter data in nem12 or one of the other supported formats see below for details on how to do this.
Features in the meter also help users troubleshoot the source and location of these disturbances. Meter data file viewer this software analyses your meter data usage patterns, and provides a set of visualisations of that data. As long as you choose a multimeter with a high enough voltage. Because of the direct relationship between flow rate and velocity of a piston in a cylinder, these flow control valves are used to control the. The panelboard may optionally have a subpanel built in. Activex com object designed to be used in any programming environment that supports third party activex com component object model compliant applications. The power supply circuit for the mcp3909 3phase energy meter reference design uses three voltage transformers to step down the 220v line voltages to the 5 volt regulator. So, here i want to provide a form 12s meter wiring diagram in two different configurations. A typical ph meter consists of a glass electrode connected to an electronic meter that measures and displays the ph reading. Measurement module for branch circuit power monitorsub. Print this and use it to complete your ghost busters prop set or costume.
Mini, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Carefully remove electrode from storage solution 3. An ammeter from ampere meter is a measuring instrument used to measure the current in a circuit. The 2w maximum current consumption specification of the iec62053 and. The power meter driver can be downloaded from agilentpwrmtr. Refer to the instruction manual for the instrument to be used for the. The capacitor is then discharged into the meter circuit. In photovoltaics, the term is widely used to describe an unwanted short circuit between. The form 12s meter can be one of the more confusing meter forms out there. Start your measurements by using low transmitter power and a nearminimum sensitivity on the field strength meter. They provide cost effective solutions for commercial and industrial applications. Note that device is built using several resistors and switches, the only active element being carefuly selected operational amplifier. An ammeter shunt allows the measurement of current values too large to be.
The power control system pcs consists of two major components. Metseem4908e powerlogic em4900 multicircuit meter 08x3p. However, in order for this value to be accurate, you need to use two standard buffers to calibrate the phmeter readings 2point calibration. Reading a revolving disc meter standard meter make a note of the number, reading from left to right. What links here related changes upload file special pages permanent link page information wikidata item.
Contact with ac or dc power source while in any mode other than acdc voltage protection. Circuit custom onechip of power off auto shut off saves battery life, microprocessor lsi circuit. The circuit monitor is equipped with rs485 and rs232 communications for integration into any power monitoring and control system. Do not change service liquid, without consulting with your authorized fpp meter distributor. Output section the output is taken from the output of the tl081 directly and can be read with any dc voltmeter. On commissioning, take the meters usercard to the nearest point of sales to purchase electricity. Popular chinese dual digitalvoltmeters ammeters models. Please read and learn safety instructions before use or maintain the equipment. Here condenser microphone is used as sensor of noise meter with operational. Variable area spring and piston flow meters product finder variable area spring and piston flow meters product finder its the easiest way to sort through our selection of spring piston flow meters to find the right product for your application.
The gain required at 25oc, for 1 volt per ph unit is about 16. Sizing conductors and selecting protection devices legrand. Setting the zero adjust to low resistance readings can bring the. The variable resistor on the field strength meter figure 3the case, circuit board and antennas for the field strength meter. Connections shown are for illustrative purposes only. Read the dials from left to right and note the lowest number the hand of each dial has passed. This sketch is not intended to provide an neccompliant electrical design or directives for full nec compliance.
In electronics, a shunt is a device that creates a lowresistance path for electric current, to allow. How to read your electricity meter electric ireland help. Use mydaq digital multimeter dmm to test mysnap components if they appear to be. The em500 meter provides the utility with an economical metering solution that excels in residential metering applications. Mcp3909 3phase energy meter reference design using. Oiml publications may be downloaded from the oiml web site in the form of pdf files. Download one of nch softwares many free software programs in the audio, video, business, graphics, computer utility and dictation space for windows or mac. Set the amplitude of the carrier signal generator output voltage to 2 vpp, and the frequency to 100 khz, and set the amplitude of the em generator to 6 vpp.
The design and implement of power meter for 7tesla. The other form 12s meter wiring diagram is the form 12s meter in a delta service. You can also load sample data by clicking one of the sample buttons below. Complete circuit diagram power factor meter i implemented a voltage divider with pt because the output of pt will be 6 volt. Please ignore the figures in red or surrounded by a red box. Oiml draft recommendations, documents and guides are. Meter in meter out circuit objective we saw in labs 3 and 4 that needle valves and pcfcs are used to control flow rate. I will then read the analog values from a microcontroller or such, but i want to first focus on somehow getting a reliable ph value on a. The information contained in this manual was correct at the time of going to print. Use ofcurrent meters for continuous measurement offlows in. However, we continue to improve products and reserve the right to change specifications, equipment and maintenance procedures at any time. The multigem 18 automatically provides metering, demand, energy readings and loggings over multi feeding points with multigem 18 channels monitoring from the 18 feeders for 1p2w, 8 feeders for 3p3w, 6 feeders for 3p4w or any combination of single and.
A voltmeter is an instrument used for measuring electrical potential difference between two. As the name implies, here is a pke meter design similar to the one in the movie. Switches and resistors are necessary to select the mode of operation ph meter or milivoltmeter for potentiometric applications and to allow calibration. Department ofcommerce, ann arbor, michigan flows in the unregulated great lakes connecting channels, the st. Pepenene and others published calibration of noninvasive kvp meter traceable to voltage measurement standard find, read and cite all the research you need on. A ph meter 1 is an electronic device used for measuring the ph acidity or alkalinity of a liquid.
Monitor and manage total rv current to avoid nuisance circuit breaker tripping. Overview of single phase induction type energy meter. Shown in figure 1 is the high precision ph meter metrohm that uses in the department of chemistry and department of. Functions are selfprotected to the meters rated voltage 3. The em500 electricity meter with proven reliability, and cost effectiveness. In circuit diagrams, a voltmeter is represented by the letter v in a circle, with two emerging. Shunt is connected across the circuit for ammeter and multiplier resistance is connected in series for voltmeter. The dials on the electric meter below indicate 7 3 1 5 6. Refer to the section below re isolated meter power and wiring diagram 1 at the end of this article. Fig the software package provides two dll files, the choice of which file to use is dictated by the users operating system.
Being a designer, ive improved the design a bit, so this pke meter is not %100 same with the one in the movie, a bit smaller to fit smaller printers, better buttons and minor changes at the details. Fluid power control lab university of minnesota prof. Display dual function meters display, data output rs 232 pc serial interface. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. Alternatives to the glass electrode are available but are seldom used as they have other drawbacks, e. While most refined petroleum products can be handled with the same flow meter, some require different rotors andor seals. Pdf calibration of noninvasive kvp meter traceable to. The entire circuit of noise meter has been designe d and fabricated using sound intensity sensor. Model nominal capacity ts10a 40 gpm 150 lpm ts15a 60 gpm 230 lpm. A program to work out the values for a 555 in astable or monostable mode is. You must actually build circuits and programs in order to really understand the. The network hour meter nhm provides an easy way to monitor industrial equipment run time over a network or the internet from anywhere, receive notifications when service is required, eliminating the needs of physically visiting equipment to collct data. For example, metering circuits offer precise control of actuator speed without a lot of complicated electronics, decompression circuits reduce pressure surges within a hy. Yoni calculator online test system configurator ezsample free samples modelithics xmicrowave application notes block diagrams docsis 3.
Use ofcurrent meters for continuous measurement offlows in large rivers jan a. The circuit monitoring system cms is an ultracompact and highperformance multichannel measurement system for ac and dc branch monitoring. The deflection on the meter is directly proportional to. Compact in size, designed and built with robust components, the em500 meter provides years of troublefree service. Dm6x00h series meters offer large 8segment alphanumeric led display type, intuitive navigation with selfguided 4 buttons, bright leds of 14. Circuit meter out filetype pdf circuit meter out filetype pdf download. Power factor measurement using atmega8 16 engineer. I am thinking about making a 100khz in circuit esr meter and i wonder if anyone has a good schematics to follow or similar project link to recommend. A useful circuit diagram of simple capacitance meter it will measure capacitors from 1pf to 22uf range.
For example, if you removed the virtual ground and powered the circuit with a bipolar supply, you would still need the ac coupling capacitor. Where the load power source is greater than 30 volts and less than 100v, then a separate isolated power source should be obtained to provide meter power. The entire circuit of noise meter has been designe d and fabricated using sound intensity sensor and display unit. Energy meter circuit detailed project with source code. Quinn great lakes environmental research laboratory, national oceanic and atmospheric administration u. The meter measures the current being drawn through the 47 ohm resistor.
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