Question about Mastech Sunwa 7 Function 16 Range Analog Multimeter, YX360 Trd

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How can i use this multimeter - Mastech Sunwa 7 Function 16 Range Analog Multimeter, YX360 Trd

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You can check batteries on DC Voltage ranges
you can check if fuse is blown (open circuit)
you can check if there is voltage on your power point (AC Voltage)
troubleshoot electronics circuits

there are many uses but if you do not know what is it for then do not use it

Posted on Oct 31, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Charge overnight and the charge runs out without ever being used??

If the battery is good
You have a parisitic draw somewhere:

Switch your Digital Multimeter to DC AMPs. Amps is usually indicated by an "A" on the Multimeter Switch. AC is usually shown as a "~" symbol and DC shown as a "-" symbol. You usually have to move the Multimeter positive lead to a separate socket on the Multimeter. Sometimes there are 2 sockets, a high range and a low range. Always test on the highest setting first. For example: high setting on your multimeter may be 10 Amp. Test on the 10 Amp setting first, then if the current drawn is less than your Multimeter Low setting, move to that setting and keep testing. In my example my Multimeter low setting is 0.3 Amps. Also indicated as 300mA (mA x 1000 = A).

WARNING! Once the multimeter is on Amps do not connect it directly across the battery and do not hit the starter button while testing for current Amps. This will cause the internal fuse in the multimeter to blow! A multimeter set on current is a very low resistance, almost a short circuit and will draw as much current as your battery will supply till something melts. Always plug the Multimeter leads back to volts when you have finished testing to avoid blowing the fuse next time you use your multimeter.

Voltage ReadingTo test for battery drain: Switch everything off on the car. Disconnect just one battery lead. For example disconnect the Positive Battery Lead. Set your Multimeter to Amps as described above. Connect the Positive Multimeter Lead to the Battery Positive terminal. Make sure the Positive Lead you removed from the battery does not touch anything grounded, like the car frame etc…. Connect the Negative Lead from the Multimeter to the Positive Lead you removed from the Battery. You should now see current drain measured in Amps. Move to the lower Amp setting on your multimeter if the current is lower than the setting on the Multimeter Low setting. Start to unplug the wires or fuses around your car and see if the current reading goes to zero. This will point you in the direction of the current thief. You can convert to Power measured in Watts by multiplying it by the Battery Voltage. Power = Volts x Amps 4.2Watts or (12Volts x 0.35Amps).

Mar 24, 2017 | Cars & Trucks

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Where can I get the review on Amprobe AM-570 Digital Multimeter?

You can have a look at Multimeter Reviews as this is one of the best place where you can not only have a look at the reviews but also get a variety of ways to have a look for getting the best options for oneself to compare the products and also to get the best reasonable price for oneself to choose the best option of multimeter.amprobe-am570-186x300-lfcl52egplcgvpvl1atxtikt-5-0.jpg

Mar 20, 2017 | Amprobe Am-4a Digital Industrial...

3 Answers

Where can we read reviews about Best multimeter?

try youtube there is a few reviews on multimeters that you can watch

Oct 13, 2016 | Video Game Consoles & Games

1 Answer

How to set mastech multimeter to read small batteries

Set the multimeter to a DC voltage range that includes the voltage you wish to test. Connect the probes with the correct polarity and observe the reading

Mar 16, 2013 | Mastech 19-range Digital Multimeter Dmm...

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Freezer makes ice but won't dump. water works fine

How to Test the Ice Mold HeaterA modular unit will have several holes in the module, each marked with a letter (similar to the one pictured below). These holes are for test probes. If there are no holes then the ice maker is a component model and the components can be tested individually.Conduct this test with the refrigerator unplugged. Test the control module heater for resistance using a multimeter. Set the multimeter to the ohms setting X1. Place one probe into the hole labeled "H" and the other probe into the hole labeled "L". The multimeter should read in the range of 60 to 90 ohms.
If the heater does not pass this test, replace the ice mold heater.
How To Test the MotorConduct this test with the refrigerator unplugged. Test the control module motor for continuity using a multimeter. Set the multimeter to the ohms setting X1. Place one probe into the hole labeled "M" and the other probe into the hole labeled "L". The multimeter should show continuity, with resistance possibly as high as 10,000 ohms.

Aug 12, 2011 | Refrigerators

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A/C unit fan doesn't run.

Check the fan capacitor.
  1. Using a multimeter to check a capacitor
    Plug the red lead into the positive port of the multimeter. Plug the black lead into the negative port of the multimeter. On some multimeter's the negative port is labeled "common." The other ends of the leads have alligator clips attached to them.
  2. Turn on power to the multimeter. Change the measurement dial to the microfarad capacitive setting.
  3. 3 Connect the black alligator clip to the negative lead of the oil-filled capacitor. Connect the red alligator clip to the positive lead of the oil-filled capacitor. The capacitance, in microfarads, of the oil-filled capacitor is displayed on the multimeter screen. If this reading is 0 or differs from the capacitance written on the capacitor's casing by more than 5 percent, replace the oil-filled capacitor.


Jul 10, 2011 | LG LW7000R Air Conditioner

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I have a Rheem Electric water heater Model#71-52DB. It has no power and not heating when it does have power.

You need to troubleshoot water heater and electric going to water heater.
Troubleshoot takes about 45 minutes.
Typical electric water heater tank is fully repairable by homeowner using generic parts from home center or hardware.
Links below walk you through the steps:

Buy $5 multimeter from Lowes or Home Depot or Ace:
Install battery in multimeter.
When testing voltage, rotate multimeter dial to 240 or 250 or 277 VAC.
When testing continuity or elements, rotate multimeter dial to ohms (upside down horseshoe symbol is ohms)
Image of Multimeter

Jan 12, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer


that is not a true value, digital multimeter shows wrong value measure the voltage by anolog multimeter if anolog multimeter shows high value then problem is true

Apr 16, 2010 | Computers & Internet

1 Answer

What are the steps of testing the power pack on the acer travelmate 2480-2968. I am new to this and don't know much about a laptop. I just know how to use it. I have to test it with a multimeter. What is a...

A multimeter is a device that tests electrical properties of various devices and components. You use the multimeter to test the voltage of the adapter to see if is working and gives the correct voltage that your laptop requires.

Mar 03, 2009 | Acer TravelMate 2480-2968 Notebook

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