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Resistors R30 and R31 on pcb 4233-1288d-b are burnt beyond recognition and need to be replaced. They conect directly to the voltage and resistance measurement terminal on my wavetek multimeter. I have searched everywhere for a wavetek dm27xt digital multimeter schematic in order to find out their sizes and types. Anyone who (...)
Need a service manual/schematic for this old KONTRON digital multimeter DMM3003 Anyone can help?
Simple circuits.............. Module thermometer, using the ic lm35 Module thermometer, temperature meter for digital multimeter using the ic lm35 | Xtronic Free Electronic Circuits and Informations MAXIM MAX 6610 Temperature Probe for digital Mult
hello friends. i want to design digital multimeter using 8051. pls help me for doing this project, i need a schematic and program. thanks in advance. :)
Why let your projects lying in a corner of your hard disk? Make them available to the world... ...and enter the chance to win an auto range digital multimeter Submit
Hi everybody, can anybody tell me where to find information on the internal working of a digital multimeter, its constructive aspects and general instrumentation concerning its use? Thanks
How does a digital multimeter calculate Voltage , Current , Resistance. Can someone suggest a good reference.
guys i need pic based digital clock schematic and source code.can anyone help me
please help me i want to know that how can we check earth and nutral with digital multimeter . please tell me where i can find a tutorial full of pictures if posiible which can tell about using digital mutimeter thanks a lot ..............:D
hi guys Anyone got Fluke 8012A digital multimeter manual? I am trying to figure out why there a nicd battery inside and when I remove it the multimeter works fine. Is it ok not to connect the battery? Thank you so muuch
sir i have digital multimeter for measurement amperage and volts but i have no procedure for measurement ac and dc current i have also attached diagram which i try to measure 12 volt stepdown transformer amperage when we connect red prob one terminal of 12 volt ac and black prob sencond terminal of 12 volt ac my meter show no reading and
Hi guys, I am going to build a digital multimeter with AVR ATmeg32 and it has to be also capable of reading AC voltages to 220 V and AC currents to 1 A. I have the software and hardware needed for the normal digital multimeter, but I dont know what should I do to make it capale of those voltages and currents. I mean is (...)
how to improve stability in 4 1/2 digital multimeter. If the design and components are of low or sub standared ones,(As found in chineese makes) nothing is possible to increase stability. Cheers
Hi. I have a ESCORT99 digital multimeter, but manufacturer company acquiring other electronic company. Therefore, by connecting to a computer required to run the software is not available anywhere.
dear all, i m doing on project digital multimeter using microcontroller. the parameters of multimeter is following.. 1-dc voltage 2-dc current 3-ac voltage 4-resistance 5-capacitance 6-frequency how can we design the circuit of all parameters?????
Hello, I'm searching the schematics of this digital multimeter. Cheers,
Right below on your page you'll find Similar topics: digital Clock schematic (11) NIXIE DCF-77 clock schematic (2) digital Clock (27) digital Clock (4) digital clock (1) digital clock problem (2) digital clock program (5) (...)
I want to build multimeter which can measure V,I,R,C etc.I hope to use PIC,ADC...But i have nt clear idea about how Current is measured ,how maintain autoranges..please give me some ideas,directions to do this project. It's called Superprobe and it's not a digital multimeter (logic pulser, frequency counter, volt
can someone help me with a resistance measuring circuit used in digital multimeter
Hi everyone, there is a project I am doing and it requires encorporating a module of digital multimeter to measure and display electrical quantities at some points. Normally the digital multimeter has been provided with a battery head so that it can be powered by a battery, but I want to remove the battery head and power the (...)
Consider the below circuit with 28V supply and electronic load set at 5A Constant Current mode. What voltage drop would I expect when I connect a digital multimeter between A & B ? V(AB1)= V(R6)+V(R8)+V(R9) What voltage drop would I expect when I connect a digital multimeter between C & D ? V(CD1)= (...)
When a digital multimeter is used to measure the AC voltage, does it show the amplitude of voltage or peak-to-peak voltage ?
Hi Can anyone from I can find a schematic circuit of a digital clock? Can you be a little more specific? Are you looking for a microcontroller project? Or just using logic? Others have giving you plenty of links for modern ways of doing it. If you want to try something "old-school", have a look at this site:
Hello, I am looking for schematic for Circuitmate DM850 digital multimeter. Thank you 777*
I would like to know if checking a digital transistor is in the same way as a bipolar transistor since the digital one has one resistor in the base an another one in the base-emitter. rgds marco
pls help to make the multimeter for my project Step one for making a multimeter is to build a volt meter. The volt meter circuit is central to all other multimeter functions. Find a semiconductor and display to only measure voltage. If trying to make a better resolution meter or learn what a meter really does, t
I am looking for the schematic and calibration instructions for my Weston 660 / Heathkit IM-105 multimeter so I can repair it. The Weston 660 is basically the same as the Heathkit IM-105. If this can be scanned or you copied please let me know. Any help would be greatly appreciated.
you can find multiplier design architecture from "Architectures for digital signal processing" Peter Pirsch University of hannver ,Germany John Wiley & Sons it's a good book
Please any body provide me 8051 based disgital LED watch schematic & Source code, I am urgent in need of it. With LED diriving circuit for jumbo LEDs
Hi everybody! I am designing a digital multimeter with a MAX134. My problem is that I don't want to use any mechanical switch or relay when changing the measuring function from voltage to current. any idea? thanks in advance alba800 Added after 7 minutes: SORRY.. I made a mistake writing the questi
Your meter should be in "Diode testing" mode .. Most of general purpose digital multimeters will have the voltage of ≈3Vdc between (+) probe and (-) probe .. However, in some cases this 3V will be not enough to turn a MOSFET on .. Try to get (download) data sheet on a particular MOSFET and find out its Ugs(ON) .. If the Ugs(ON) is higher
Hi, Here is link to see a multimeter kit description with ICL7106 : from here: I think it would be useful for you to see another solution too:
Is there any software that can input gate schematic and convert it to verilog?
GAO HOS220C Handheld digital Oscilloscope Supported by stable testing equipments, which are convenient and easy to read during the complicated on-site system, is a visible necessity for all engineers. GAO HOS220C Handheld digital Oscilloscope is designed to match this kind of needs. This handheld oscilloscope has a sampling rate at 100 MS
how can i sure the multimeter is a true rms. what is the method to check an true rms multimeter.
Hi! It would help if the Hungarian chappie had posted the Eagle Design Files as I could then have a go at reworking 'em into English! However you might like to try the following. You will need a digital multimeter with a suitable Temperature Probe of known accuracy capable of withstanding 500 Degrees Celcius. Connect the built controller (
sir 1.i have measure ac input voltage is 250 volt ac 2.i have measure ac out put voltage is 11.7 volt (by digital multimeter 9205M) 3.when we connect only a single diod to one terminal of ac out put 11.5 volt without using capacitor 1000uf 16v .DMM giving 3. somthing dc volt Added after 1 minutes: [
I'm measuring the voltage result of my assignment. But , i found a problem, no matter where I connect, my DMM only will appear mV result. Initially I tought that was my circuit mistake, but when i straight connect the DMM with the 12v power supply, my DMM still showed mV results with weird reading !!! How would it be like that ??? Is that mean th
Design a digital clock with the following functions: • Displays hours, minutes and seconds • Indicates PM by displaying the decimal point • Enables the setting of hours, minutes or seconds by having the display increment at a fast or slow speed and then stopping at the desired value • Without usin
Long story short: Red Sparkling Dots on Plasma TV a.k.a Red Snow, kind of like "hell vision" may be caused by incorrect voltage if cause is not interference, cabling etc. After you open up the TV and read this: please click here If you want to ch
To test a transistor using a digital multimeter, all you have to do is check the resistances of the diode junctions of the transistor, as illustrated here, . Measure each of the pairs of diode junctions, Collector-emitter, collector-base, base-emitter. Read the resistance of
I am looking for a manual for my Data Precision Model 245 digital multimeter. Any help would be greatly appreciated.
Hello sir i want to know that if i have a capacitor from an old radio or any where & its in working condition but lost the value labelled on that due to atmosphere & i ve a simple digital multimeter in which i dont have option to measure capacitance directly then how could i do so ? just to find capacitance value only here . please te
set your digital multimeter on diode check mode & connect Red probe to sim holders GND(pin5) touch black probe to other pins of simcard holder one by one it will have to show reading 700 to 900 on meter if reading is 0 or reading >1000 there is mistake in sim holders connection also check shorting for
Hello, Is the inut "LO" terminal of the Keithley 2000 digital meter connected to earth certainly seems to have the earth ground symbol drawn near it. ......the user manual and datasheet dont say......... Keithley 2000 digital meter datasheet: Keithley 2000 digital met
Hello Guys Please suggest me a basic multimeter from FLUKE. Is Fluke 17B digital multimeter ok Is it not a true RMS multimeter. Some multimeters are true RMS while others are not. Whenever we measure AC in a is not an RMS value?Then what's the difference exactly?
where are you? I suspect the more global brands might be more expensive then you like at this stage a digital meter is more 'accurate' but an analog can be more useful if the voltage/current is changing
My multimeter, DT830B digital multimeter, is giving a negative average of -3 volts by default that means that even without connecting the leads it reads a negative number. The only part of the multimeter that dosen't appear to have the bias is the ohms reading ... When I connect it to a 9 volts battery, it reads 6 volts (...)
Hi my multimeter has a voltage and a mA/A plug. I am trying to find out how much instantaneous current can a homemade battery supply. How can i measure this with the digital multimeter? What procedure?
Sir, I have used the Pseudomorphic HEMT(PHEMT) AVAGO TECHNOLOGIS ATF54143 transistor to my work. I want to conform the working of ATF54143 PHEMT transistor. Using the digital multimeter , how to check whether working or not the ATF54143 PHEMT transistor. It has four terminals one gate and drain, two sources. For forward bias which term