Prakash Sawant H ere is a circuit of low cost digital frequency meter. It can measure be frequency ranging from 1HZ to 1MHZ. The circuit is shown in Figure
Date added: June 19, 2014 - Views: 1
display data through digital display device. Principle diagram of digital frequency meter as shown in Fig.1. Fig .1 Digital frequency meter principle diagram
Date added: July 25, 2013 - Views: 10
Digital Frequency Display Applications Notes INDEX ... Dave Benson 20 and 75 Meter QRP (April '97 QST) MFJ-9420 20 Meter SSB Travel Radio MFJ-9040 (MFJ-90XX) ... (PB-2086A) Custom Integrated Circuit (MSM9520RS) Replacement Module Collins S-Line (USE DFD2-S) KWM-2 (USE DFD2-S)
Date added: November 2, 2011 - Views: 36
Application Note Multimeter measurements on variable frequency drives using the new Fluke 289 DMM From the Fluke Digital Library @ www.fluke.com/library
Date added: July 22, 2013 - Views: 3
Energy Meter Seminar: Designing a EMC Compatible Electronic ... • Frequency less than 30MHz (e.g. EFT) – Conduction ... the energy meter circuit and PCB layout should be designed to divert the interference away from the AD7755 to
Date added: February 13, 2012 - Views: 10
3. Development of the Vibration Meter Components The three main elements of the vibration meter (cantilever, resistance (voltage)-to-frequency convert-
Date added: November 2, 2013 - Views: 1
DIGITAL SYSTEM FOR POWER LINE FREQUENCY MEASUREMENT Borisav Jovanović, Milunka Damnjanović, Faculty of Electronic Engineering Niš ... choosing frequency meter was small chip area. Proposed circuit shares a great part of its hardware with the other IC
Date added: February 15, 2013 - Views: 5
Digital Voltmeters and Frequency Meters Prepared by Dr. Hassan Mostafa [email protected] Digital voltmeters are essentially analog-to-digital converters with digital displays to indicate
Date added: March 4, 2014 - Views: 1
DIGITAL MULTIMETER MODEL : 801AUTO ... Auto only for Frequency, capacitance, Temperature measurement Polarity ·Automatic, (-) negative polarity indication ... Do not keep the Meter in the circuit for more than 5 seconds when the function switch is
Date added: February 16, 2013 - Views: 15
Find the frequency and duty cycle of the circuit as functions of RA, RB, and C. ... 11.3 Design and build a digital frequency meter. The input signal is a 0 to 5V square wave from the function generator and is connected to the 7490s via a gate; ...
Date added: October 17, 2011 - Views: 56
The digital frequency signal is converted back into a digital format by a TC9400 used in the F/V mode. ... FREQUENCY METER ... circuit can multiply an input frequency by any number.
Date added: November 25, 2011 - Views: 24
An Antenna Impedance Meter for the High Frequency Bands When SWR isn’t enough — here’s a tool ... AD9851 direct digital synthesizer (DDS) inte-grated circuits made by Analog Devices. One DDS operates at the specified test frequency and the ... to the voltage being applied to the circuit
Date added: October 15, 2011 - Views: 21
Low-Frequency Digital Phase Meter Ján Hribik1, Peter Novák2, Peter Fuchs3 ... circuit intended for this application, which has a transformer isolation of the output for a transmission line consisted of a pair of twisted conductors.
Date added: August 15, 2013 - Views: 1
•Input VSWR can degrade rapidly as frequency drops below 7 MHz ... DX Zone.com ”Digital QRP SWR/ Power Meter” by KD1JV ... Isolated Meter Circuit +-1 Forward OUT 3 2 1 11 4 +-2 Reflected OUT 5 6 7 +VIN +X VDC 1 uF 780X 1 uF LM324 or equivalent
Date added: November 4, 2012 - Views: 15
62 Digital Multi-meter and Oscilloscope Many of the components presented in the mechanics labs (Physics 151L and 180L) orientation are still
Date added: May 21, 2014 - Views: 1
ELECTRICITY POWER METER CIRCUIT SSOP-24 SDIP-24 DESCRIPTION The SC7755 is a high accuracy electrical energy measurement IC ... Select one of four possible frequencies for the digital-to-frequency conversion. See Table II and Table III 15 G1 16 G0
Date added: September 22, 2013 - Views: 1
PowerLogic™ Branch Circuit Power Meter (BCPM) Panel Board Monitoring ... Class A digital device, pursuant to part 15 ... the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in ...
Date added: May 9, 2013 - Views: 2
Microcontroller Based Single Phase Digital Prepaid Energy Meter for Improved Metering and Billing System ... Display Unit and Power Supply Unit. In the following circuit diagram, V cc ... filtered.The low frequency output of the energy meter IC is generated by accumulating this real ...
Date added: April 26, 2012 - Views: 184
Low power digital design in Integrated Power Meter IC ... Frequency measurement circuit 2. RAM memory block 3. 2Part for I, V2, P, Q accumulating and energy calculation 4. Part for current and voltage RMS, active, reactive
Date added: February 15, 2014 - Views: 1
Three-phase digital power clamp meter has been designed according ... Frequency. It has Stable capability, easy operation. ... to zero conductor of the circuit and COM jack of the meter. 2. Turn the selector to Φ1 at first ...
Date added: December 24, 2012 - Views: 7
Digital (5hz to 500 Khz) Frequency-Meter Posted on April 4, 2008, by Ibrahim KAMAL, in Sensor & Measurement, tagged ... kind of measurements on another circuit, the ground of the Measurement device and of the circuit being tested must
Date added: March 17, 2014 - Views: 1
DIGITAL FREQUENCY METER TYPE TR-5283 (DFM-128) DIGrrAL FREQVENCY METER TYPE. TR-5283(DFM-128) BUDAPEST . described under frequency meter mode , ... Control circuit Il. (Drw. No.: DEM-128-16B) This car'd contains the inter'nal clock consisting of the thermo—
Date added: November 5, 2013 - Views: 1
Marine Electrical Products AC Digital Meters Single-Function Meters 8237 AC Digital Voltmeter 8238 AC Digital Ammeter 8239 AC Digital Frequency 8247 AC Digital Multimeter with Alarm Multi ... Wire to terminal #1 (Neutral or L1 for 240V)---Connects terminal #1 of the meter to the AC Neutral ...
Date added: July 13, 2013 - Views: 1
DIGITAL AUDIO FREQUENCY METER HASNIZAH BINTI HJ. GENO This Report Is Submitted In Partial Fulfillment Of Requirements For The ... Combination circuit Digital audio frequency meter is also can be categorized as floating circuit.
Date added: April 16, 2014 - Views: 1
does not indicate the measured signal level. A simple digital frequency display serves little purpose ... A signal level meter, ... signals beyond 80 dBm an attenuation network is switched into the circuit, thereby reducing the
Date added: May 9, 2012 - Views: 6
EI206 - ELECTRONIC INSTRUMENTATION PART - A UNIT I 1. Define Ayrton shunt or universal shunt? The universal or ayrton shunt eliminates the possibility of having the meter in the circuit ... What is the principle of digital frequency meter?
Date added: January 3, 2013 - Views: 6
CIRCUIT-TEST products are available from your electronics distributor CAT III 600V AC/DC DIGITAL CLAMP METERS CURRENT CLAMP HEAD - AC, CATIII DCL-100A • AC Current : 1 to 400A True RMS • CAT III / 300V ... CLAMP METER - AC, FREQUENCY RMS Backlit New! CAT III 300V CAT II 600V.
Date added: April 22, 2014 - Views: 1
S2-400F 4 DIGITAL FREQUENCY METER S2 SERIES FEATURES 4 digits display : 9999 High accuracy : 0.05% ... Circuit Input Voltage 1: 99.99HZ 2: 999.9HZ 3: 9999HZ 1: 110V/220V 2: 2 ~ 30V 3: 30 ~ 600V 4: Option Aux. Power Source 1: AC 110V/ 220V 2: None
Date added: May 9, 2013 - Views: 6
DiGital VoltmeteR SUNIL KUMAR ... to-build and accurate digital voltmeter that has been designed as a panel meter and can be used in DC power supplies panels or where it is necessary to have an accurate indication of ... the circuit used to set the frequency of the oscillator (clock), which is ...
Date added: March 21, 2012 - Views: 62
Low Cost Digital Panel Meter Designs and Complete Instructions for LCD and LED Kits ... a circuit board, a display (LCD for ICL7106EV/KIT, ... This gives a measurement frequency of 3 readings per second since each conversion sequence requires 4000
Date added: December 16, 2011 - Views: 7
Testing Electrical Systems with a Digital Multimeter Perhaps the most important tool you'll use in troubleshooting auto electrical systems is the multimeter.
Date added: October 22, 2011 - Views: 269
Digital low-cost Time Domain Reflectometer circuit optimized for use in field applications Dennis Trebbels1, Christof Hübner2, Rolf Becker3, Roland Zengerle1,4
Date added: September 22, 2013 - Views: 1
Measurement circuit burden Input voltage measurement range Basic current ... (Not applicable for Voltmeter and Frequency meter) ±4 kV as per IEC 61000-4-4 ±8 kV air discharge, ... Single Function Digital Panel Meter VAF Digital Panel Meter Display parameter list 1Phase Voltmeter 3 phase
Date added: April 5, 2013 - Views: 2
1 How the Signal Meter Works The LNBs we use for satellite reception (digital or analogue) do not just receive a single channel; they receive the
Date added: January 27, 2013 - Views: 3
BJ193F-9X1 Digital Frequency Meter User Manual ... Non-short circuit; 3. Communication terminal (RS232 or RS485) is strictly prohibited to impose high pressure; 4. Be sure the instrument wiring consistent with the internal system settings; 5.
Date added: January 23, 2014 - Views: 1
The Basics of Digital Multimeter A guide to help you. ... frequency is 4Hz Advanced Multimeter Functions ... meter monitors the circuit and gives an audible indication when a new maximum reading has been obtained.
Date added: February 9, 2012 - Views: 39
Digital Multimeter (DMM) Keithley Model 175 ... frequency and phase of an AC signal ... Experiment: AC Circuits: Thévenin's Circuits, RLC Meter, AC PSPICE 2. AC Thevenin Circuit Analysis a) Derive general equations to find the Thévenin Voltage (Vth), Thévenin Impedance
Date added: May 26, 2013 - Views: 5
Digital Blood Pressure Meter by: ... Filter Frequency The oscillation signal varies from person to person. In ... Freescale pressure sensors used in the digital blood pressure meter. This basic circuit may be easily modified to provide
Date added: January 27, 2012 - Views: 6
Circuit ZCD Micro - Controller Digital Display C D . Supply voltage is applied to a (220/15V) transformer and half-wave circuit, the ... It can be used as a frequency meter, deviation meter, and it is suitable to
Date added: June 12, 2013 - Views: 1
DIGITAL POWER METER AMETEK’s Multi-Function Digital Power Meter is an "all inclusive" power measurement system. A single unit will connect to any circuit type. The universal ... Frequency • +0.02% reading DIGITAL DISPLAY Characteristics • Simultaneous 3-phase display
Date added: August 12, 2013 - Views: 3
DIGITAL CLAMP MULTIMETER 42397 95683 ... Frequency: 50 - 60 Hz Indication: Average (rms of sine wave) ... modes with the multimeter connected to a circuit. UNPACKING When unpacking, make sure the following parts are included: Digital Clamp
Date added: January 28, 2012 - Views: 17
A Differential Cyclic Analog-to-Digital Converter for Energy Meter Systems E. D. C. Cotrim Microelectronics Group, Federal University of Itajubá, Brazil - Itabira Campus
Date added: May 28, 2013 - Views: 2
Multi-Circuit Power and Energy Meter. AcuRev 2000 Series Meter ... Power Factor Total and each circuit Frequency F POWER QUALITY Total Harmonic Distortion THD ... ZKK Circuit Breaker Load AcuRev 2000 Direct Connection Wiring Diagram Auxiliary power L N G 14 13 12
Date added: January 24, 2014 - Views: 1
Digital Multimeter | PM51A - Measures AC and DC voltage, resistance, continuity with beeper, capacitance and frequency - Fully autoranging with 7 measurement functions and 27 ranges
Date added: January 20, 2014 - Views: 1
DIGITAL MULTIMETER KIT MODEL M-2666K ... frequency is selected to be 40kHz. In the IC, this frequency is divided by four before it clocks the decade counters. ... Meter display circuit assembly. Section B - DC voltage and current circuit assembly.
Date added: November 28, 2011 - Views: 75
Frequency 200pF 0.1pF ±(0.5%rdg+1dgt+0.5pF) 2nF 1pF 20nF 10pF 200nF 100pF ... Open circuit volts: 3.0Vdc typical Overload protection: 24VDC or AC rms RESISTANCE ... Digital Capacitance Meter Author: Omega Engineering Subject: hhm18
Date added: October 21, 2011 - Views: 6
MODEL 252 Digital Impedance Meter Instruction Manual P/N 43158-CD Rev F This owner’s manual was as current as possible when this product was manufactured.
Date added: February 3, 2012 - Views: 3
simple digital frequency meter. The combination of a frequency-to-voltage converter (FVC) ... The input circuit is made up of a current limit resistor (R6), a DC blocking capacitor ... Digital Readout Frequency Meter Created Date:
Date added: May 9, 2013 - Views: 12