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astroai trms digital multimeter: 4000 counts auto-ranging ohmmeter voltmeter, battery voltage tester for 1.5v/9v/12v, measure voltage current resistance diodes continuity capacitance with ncv function logo

AstroAI TRMS Digital Multimeter: 4000 Counts Auto-Ranging Ohmmeter Voltmeter, Battery Voltage Tester for 1.5v/9v/12v, Measure Voltage Current Resistance Diodes Continuity Capacitance with NCV Function Review

9

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Very good

Revainrating 5 out of 5  
Rating 
4.9
👨‍🔬 Testers, 💡 Electrical

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Description of AstroAI TRMS Digital Multimeter: 4000 Counts Auto-Ranging Ohmmeter Voltmeter, Battery Voltage Tester for 1.5v/9v/12v, Measure Voltage Current Resistance Diodes Continuity Capacitance with NCV Function

WIDE APPLICATIONS - The AstroAI M4K0R Multimeter accurately measures AC/DC voltage to 600V, Current to 10A, Resistance to 40MΩ. You can use it for continuity test, diode test, battery test and live wire test. Includes 1.5V, 9V and 12V battery test modes to easily test a wide variety of batteries. Multimeter light turns red for low voltage and green for enough voltage. NON-CONTACT - Fully safe non-contact voltage testing with sound and light alarms. You can detects AC voltage without the use of test leads. Uses NCV function:When the Meter senses a strong AC signal, the red indicator light will turn on and the buzzer will emit a quick beep. THOUGHTFUL DESIGN - Support Data Hold, Max, Auto Shut-off, low battery indicator and continuity buzzer. Includes Convenient features like Audial and Visual Alarm, LCD Backlit Screen and Flashlight make it easy to use. Two 1.5V AAA batteries are included in the package. ENSURES SAFETY - Double ceramic fuse is anti-burn and protects from overloading. The multimeter has passed overvoltage category III 600V safety standards. The silicone cover is able to protect the multimeter from failing damage and prevent electric shocks. ADDITIONAL TIPS - This Multimeter is designed to troubleshoot a variety of automotive and household electrical problems safely and accurately. It’s a suitable tool if you want to do some household or commercial improvements whether DIYers or Hobbyists. Combined with Amazon's excellent delivery, we provide lifetime technical support.

Reviews

Global ratings 9
  • 5
    8
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
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Type of review

Revainrating 5 out of 5

Bought as a toy will become a valuable tool

I originally bought this for small DC circuit boards but it replaced my other gauge for quick brake press and laser troubleshooting. . Really high quality meter, especially at this price.

Pros
  • Excellent overall performance
Cons
  • Not sure

Revainrating 5 out of 5

Great multimeter! in electricity

My old one is dead - after 45 years it's time to buy a new one. I bought this and am satisfied. It's smaller than my old one and has more features. Please note this includes a flashlight. I've used it a few times and haven't had any problems. The instructions are quite detailed. I have experience but I think a beginner could start right away with just the manual. Note that there are books/courses that I would recommend to a friend.

Pros
  • Beautiful packaging
Cons
  • Tape

Revainrating 5 out of 5

Small but nice and worth the money.

Let me start by saying that I carry this gauge with me to every job I do. I've done so much with this little device. Very easy to use and read. Very accurate readings, and since it's not too big or too small, it fits snugly in those hard-to-reach places. The readings are large and the light is good in dark areas. Overall I'm very happy with this multimeter and I've had three people talk about it. I will be buying another one as a gift for my family next week.

Pros
  • Delivery was very fast
Cons
  • ---

Revainrating 5 out of 5

Easy to use, fast, beautifully built counter.

The slots on the back are positioned for quick insertion of AA, C and D batteries for a quick test. green and I know the battery is operational. The 1.5V, 9V and 12V settings allow for a quick battery test of most common batteries, including car batteries. The LED backlit screen is really good. Easily switch between AC and DC with the push of a button. It's easy to test resistances. I've had cheap port charge voltmeters on 9v batteries and they didn't last long. Much cheaper and less expensive…

Pros
  • Best
Cons
  • Some little things

Revainrating 5 out of 5

Lots of features and functionality for the price.

I use this gauge for occasional electrical work. I don't use it every day so I wanted an inexpensive counter. I'm very happy with the number of features. It has everything I need for electrical and basic electronic troubleshooting. I have tested the accuracy of the voltage, current and capacitance functions and they are all good enough. I also like the battery test features including the 12 volt range. The best part is that it uses two AAA batteries. No more running around looking for a 9V…

Pros
  • Brings joy
Cons
  • Appearance

Revainrating 5 out of 5

Very useful everyday features

I love using this multimeter at home. It has all the features I use most, especially the battery test. It features auto-ranging, a large, easy-to-read output with a bright backlit display, and a non-contact voltage readout for safety and convenience. The small flashlight wasn't the feature I was looking for, but I used it more than I expected. I can't say anything about the accuracy as there is no equipment to check it. The audio signal is clear, the display works perfectly. Turns itself off…

Pros
  • Ease of use
Cons
  • Functionality

Revainrating 5 out of 5

Works as described, accurate and powerful.

I really can't fault this multimeter. It does everything I need at an affordable price. Aside from basic AC/DC voltage and current and resistance, the diode and continuity test works as described with a buzzer and LED indicator. Note that there is a delay in checking for continuity; Don't assume the two circuits aren't shorted after a very fast probe. Another minor complaint I personally have is the limited exposed surface area of the probes themselves; This can be a plus or a minus depending…

Pros
  • Free for educational purposes
Cons
  • No instructions

Revainrating 5 out of 5

Very useful multimeter, especially for the price

This multimeter was delivered very quickly and met all my expectations. The instruction manual is very easy to read, although the meter itself is similar to other instruments and is easily understood by anyone used to making electrical measurements. Everyone else just needs to spend a few minutes studying the instructions. A word of caution - the fuses that protect the ammeter circuits will blow quickly and are therefore easily overloaded if care is not taken in connecting the test leads and…

Pros
  • Weight
Cons
  • Nothing

Revainrating 4 out of 5

Great product but instructions could be better

Great product but instructions could be better. Two light bulbs above my kitchen sink stopped working. I said it was strange that both lightbulbs blew out at the same time. So I switched both and still nothing. I then googled what might be wrong and it suggested that the actual light switch might be bad. When I turned on the light, I heard a faint crackling noise, so I assumed that was it. Then I checked again with this multimeter to see if there was actually power at the light switch, and that

Pros
  • Great for me
Cons
  • Everything great