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  • VIDEO
  • AstroAI Digital Multimeter 4000, Auto Range NCV Detector, Multimeter Tester with Volt Amp Ohm, Multi Meters Measures AC/DC Voltage, Current, Resistance, Continuity, Capacitance, Diodes and Batteries
  • AstroAI Digital Multimeter 4000 CountsAstroAI CA

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AstroAI Digital Multimeter 4000, Auto Range NCV Detector, Multimeter Tester with Volt Amp Ohm, Multi Meters Measures AC/DC Voltage, Current, Resistance, Continuity, Capacitance, Diodes and Batteries

4.4 out of 5 stars (7,890)
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About this item

  • 【VERSATILE SETTINGS】The AstroAI digital multimeter accurately measures AC/DC voltage, AC/DC current, resistance, continuity, capacitance, diodes and batteries (1.5, 9 and 12V battery settings).
  • 【NON-CONTACT SAFETY】This multimeter tester is designed with safety in mind. The NCV function minimizes exposure to live wires, the probe works for outlets, sockets, terminals, and more.
  • 【PRACTICAL FEATURES】When using a multimeter, the small details like data hold, a large backlight LCD screen, kickstand, and low battery indicator help get the job done better and faster.
  • 【TROUBLESHOOTING MADE EASY】Whether the job is a quick DIY continuity check or a complex problem, the durable design and consistent readings pair well for both long days in the field and tinkering in the garage.
  • 【SAFETY FIRST】Two integrated fuses rated at F500mA/600V and F10A/600V, anti-burn with double ceramic fuse and thermistor protection circuit, the fuses can protect the multimeter effectively, overload protection on all ranges.

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AstroAI Digital Multimeter 4000, Auto Range NCV Detector, Multimeter Tester with Volt Amp Ohm, Multi Meters Measures AC/DC Voltage, Current, Resistance, Continuity, Capacitance, Diodes and Batteries


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Product details

  • Batteries ‏ : ‎ 3 AAA batteries required.
  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 16 x 11.51 x 3.99 cm; 280 g
  • Date First Available ‏ : ‎ July 15 2020
  • Manufacturer ‏ : ‎ AstroAI
  • Place of Business ‏ : ‎ support@astroai.com
  • ASIN ‏ : ‎ B0842HTN8C
  • Item model number ‏ : ‎ ASIDM130B
  • Country of origin ‏ : ‎ China
  • 鶹 Rank: #636 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
  • Customer Reviews:
    4.4 out of 5 stars (7,890)

Product Description

multimeter
multi meter
multimeter
digital multimeter

AstroAI Digital Multimeter Series

AstroAI Multimeter 130B

AstroAI Smart Multimeter

AstroAI Multimeter 6000

AstroAI Clamp Meter 4000

AstroAI Multimeter 132A

AstroAI Test Leads 8Pcs

AstroAI Clamp Meter 6000

Customer Reviews
4.4 out of 5 stars 7,890
4.6 out of 5 stars 1,339
4.5 out of 5 stars 19,101
4.5 out of 5 stars 11,424
4.5 out of 5 stars 8,697
4.4 out of 5 stars 4,086
4.5 out of 5 stars 11,424
AC/DC Voltage
AC 600v / DC 600v AC 750v / DC 1000v AC 750v / DC 1000v AC 600v / DC 600v AC 600v / DC 600v AC 750v / DC 1000v
AC/DC Current
1000 A AC/DC
Range Selection
Manual and Auto Manual and Smart Auto Manual and Auto Manual and Auto Manual and Auto Manual and Auto
Maximum Display
4000 Counts 10000 Counts 6000 Counts 4000 Counts 4000 Counts 6000 Counts
Resistance/Continuity
Diode
Capacitance/Frequency
Only Capacitance
Temperature
True RMS
Inrush

Specifications

Digital Display 3999
Sampling Speed 2 times per second
Range Selection Auto and Manual
Operating Environment 32°F~104°F (0°C~40°C); <80% RH
Storage Temperature 14°F~122°F (-10°C~50°C); <85% RH
Power 1.5V x 3, AAA size
Dimensions 145×73×34
Weight Approximately 185g with battery
Safety/Compliances EN 61010-1 CAT III 600V
DC Voltage 400mV ±(0.8%+5), 4V/40V/400V ±(0.8%+3), 600V (1%+5)
AC Voltage 400mV ±(1.2%+5); 4V/40V/400V ±(1.0%+8); 600V ±(1.2%+8)
DC Current 400μA/4000μA/40mA/400mA/10A ±(1.2%+8)
AC Current 400μA/4000μA/40mA/400mA/10A ±(1.5%+8)
Resistance 400Ω/4KΩ/40KΩ/400KΩ/4MΩ ±(1.5%+3); 40MΩ ±(3%+10)
Capacitance 40nF±(8%+10); 400nF/4μF/40μF±(5%+5); 400uF±(8%+10)
Package Contents 1 X Owners Manual;1 X Pair of Test Leads;1 X pair of Alligator Clips;1 x AstroAl 4000 Counts Multimeter

Safety and product resources

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Customer reviews

4.4 out of 5 stars
7,890 global ratings

Customers say

Customers find this electric circuit testing device works great for their needs and is good in use. They describe it as a good unit that met their expectations for quality. Users appreciate that it's facile d'utilisation and easy to use as a multimeter. The device appears accurate with readings that are surprisingly close, and customers value its compact size. Customers are satisfied with the instructions and build quality, though they mostly dislike the clamp functionality.
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65 customers mention functionality, 55 positive, 10 negative
Customers find the electric circuit testing device works great for their needs and is good in use. It works well for primitive automotive testing skills and meets all basic uses. The meter works great for testing AA or AAA batteries.
...But after it arrived, I'm glad I bought it. It works great and the price was right. The build quality is great, except for alligator clips....Read more
Works well. People complain about the beeping when turning the dial. It's no big deal....Read more
...or a mechanic's daily abuse, but for the average person it works very well.Read more
Good value for money. Has many useful features. Does the job. Feels solid and of good quality.Read more
62 customers mention quality, 58 positive, 4 negative
Customers find this electric circuit testing device to be a good unit and nice tester that meets their expectations for quality. They describe it as a very good tool and wonderful little meter.
Great product and easy to use. Learn a lot with this.Read more
Great multimeter and lightweight...Read more
...Has many useful features. Does the job. Feels solid and of good quality.Read more
Very good productRead more
35 customers mention ease of use, 34 positive, 1 negative
Customers find the multimeter easy to use and read. They describe it as practical and straightforward to operate.
easy to use, compact, clear display, NCV (non-contact voltage) detector fairly accurate, test leads & clips a bit cheapRead more
Simple to use and appears accurate.Read more
It works well! It’s very easy to use, and looks professional and solid. The magnetic hold is good, and the temperature sensor agility....Read more
Good meter,easy use!Read more
24 customers mention battery testing, 19 positive, 5 negative
Customers find the electric circuit testing device provides accurate battery testing results. The device appears accurate with readings that are surprisingly close to expected values. Users report the detector is fairly accurate and quite accurate for 12 and 24 volt applications. The resistance measurements are accurate, and the device reads correctly during testing.
...Worked great for my needs. seemed to be accurate and was very simple to operate.Read more
Simple to use and appears accurate.Read more
...So I through it's working. Accurate or not, I don't know.Read more
Inaccurate measurements, The AC voltage is 1.7 % higher, the 9V battery is 2.5% lower, the 1.5V battery is 2.5% lower, the resistance...Read more
12 customers mention compact size, 11 positive, 1 negative
Customers appreciate the compact size of this electric circuit testing device.
easy to use, compact, clear display, NCV (non-contact voltage) detector fairly accurate, test leads & clips a bit cheapRead more
...It's a nice, compact size. The included probes are shorter than usual and THEY SMELL!...Read more
...Other than that, it works very well. Nice size too.Read more
...And best of all is the size. It's half the size of my other one and the display is very nice....Read more
10 customers mention instructions, 9 positive, 1 negative
The electric circuit testing device comes with instructions that are provided in good English. The manual tells all the details and is well-written. Some customers note that the manual comes in English only, while others mention it includes a French service manual.
...It comes with 3 AAA batteries already installed, instruction manual, and even alligator clamps. Has a nice rubber case for the edges....Read more
...It's as accurate as my Fluke so far. The manual comes in English only and is well-written - clear and in good English....Read more
...Using it is fairly straightforward and the instructions that are provided are in good English and easy to follow....Read more
Well priced. Works well. Manual tells all the details about how to use.Read more
8 customers mention build quality, 7 positive, 1 negative
Customers find the electric circuit testing device has good build quality and feels solid.
Good value for money. Has many useful features. Does the job. Feels solid and of good quality.Read more
Recently purchased this and it is as advertised. The build quality is good. Also, there is a built-in light....Read more
...(I just got this 4 days ago) impression I think the build quality was not too bad at all for the price range....Read more
...It works great and the price was right. The build quality is great, except for alligator clips....Read more
8 customers mention clamp functionality, 2 positive, 6 negative
Customers experience issues with the clamp functionality of this electric circuit testing device. The alligator clips don't fit onto the probes very well, and the butterfly clips don't stay connected. The clamp that slides over the probes bends easily, and customers need better clamps overall.
...Also, the clip-on alligator clips are difficult to fit onto the probes as there's a lip on the probes preventing them from snapping in all the way....Read more
...My main criticism is the small screw holding the battery cover, as it gets stripped easily even though I used a high-quality picquic screwdriver to...Read more
...I liked the layout of the settings and the included alligator clips but it’s gotta work, first!...Read more
...The clamp that slides over the probes bends easily and doesn't hold the clip securely. The metal seems to be too soft for this application....Read more
Just perfect for my needs.
5 out of 5 stars
Just perfect for my needs.
Contrary to other reviews, at preliminary (I just got this 4 days ago) impression I think the build quality was not too bad at all for the price range. I am not an electrician so my use is limited to things like checking batteries, wire connectivity, etc. and it appears to perform those functions very well. Using it is fairly straightforward and the instructions that are provided are in good English and easy to follow. The packaging is excellent and the product arrived on time. The 3 AAA batteries are already installed which was a very pleasant surprise! So far so good!
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Top reviews from Canada

  • Reviewed in Canada on February 24, 2026
    Verified Purchase
    Well priced. Works well. Manual tells all the details about how to use.
    One person found this helpful
    Report
  • Reviewed in Canada on February 8, 2026
    Verified Purchase
    This is a great DMM for the money. It's as accurate as my Fluke so far. The manual comes in English only and is well-written - clear and in good English. The LCD backlight turns off after a few seconds. I understand that it's done to save battery life, but can get annoying. It's a nice, compact size.

    The included probes are shorter than usual and THEY SMELL! I have to keep them in the garage and use another pair I have. If the smell doesn't go away within a few days, I'll just throw them out. Also, the clip-on alligator clips are difficult to fit onto the probes as there's a lip on the probes preventing them from snapping in all the way. With careful insertion, you eventually get them in, but this is an annoyance that can be avoided with better designed clip-ons.
  • Reviewed in Canada on January 3, 2026
    Verified Purchase
    Great product and easy to use. Learn a lot with this.
  • Reviewed in Canada on January 26, 2026
    Verified Purchase
    On my ADR1001 reference, this meter has a 0.9 % error and not trimmable. Good for a 30 CAD meter.

    Input impedance is a respectable 10M ohms. NCV feature allows you to capacitively detect 120VAC mains voltage in a wire without any direct contact.

    Battery test will display battery voltage with a 10mA current load on 9v / 12v and a 20mA load current on 1.5v battery test.
    One person found this helpful
    Report
  • Reviewed in Canada on December 18, 2025
    Verified Purchase
    Très bon petit testeur à avoir à la maison, lecture assez rapide et précise. Je ne suis pas déçu. Les pinces crocodiles sont pratiques pour la lecture de resistance, condensateur....
    One person found this helpful
    Report
  • Reviewed in Canada on March 7, 2026
    Verified Purchase
    Good handy tool. The sensor meter does not work on plugs
  • Reviewed in Canada on October 18, 2025
    Verified Purchase
    Seems high quality, easy to use.
  • Reviewed in Canada on February 8, 2026
    Verified Purchase
    They are ok, I have been using them a lot.

    The measurements are not perfect to the dot but close enough, good for 90% of the cases - check the specification table for the margins.

    My only problem is with the clamps, you have to insert the "needles" in a slot inside the clamp arm. But they do not hold well. I can only use them on the horizontal, as they fall if I clamp something on the vertical.

Top reviews from other countries

Translate all reviews to English
  • Jose Alfonso
    5.0 out of 5 stars Muy útil
    Reviewed in Spain on November 4, 2025
    Verified Purchase
    Muy completo y practico
    Report
  • Emin Tolgay baran
    5.0 out of 5 stars üԾ
    Reviewed in Turkey on March 22, 2023
    Verified Purchase
    Orta düzey kullanıcılar için ideal
  • Oliver
    5.0 out of 5 stars Great value
    Reviewed in Sweden on May 4, 2022
    Verified Purchase
    Fully covers my needs and really well built for a very low price. But this is coming from a hobby user so can't say anything for professional use. Would personally say this is a perfect entry level multimeter primarely because it does exactly what it needs to do for a rather small investment. The instructions are sadly entirely in German though but it hardly matters since multimeters all use about the same symbols so a quick google search and you can find perfect English guides that applies to this product.
  • MB
    5.0 out of 5 stars Good enough for me and easy to understand. Great buy
    Reviewed in the United States on July 15, 2025
    Verified Purchase
    I have had a lot of cheap multimeters. They were hard to read and harder to really understand the settings and I never could figure them out the 3-4 times a year I might need to use one. This meter is much better and perfect for me for basic work around the house. As my first use for this meter, I wanted to test a AC unit capacitor to see if it was bad. This meter has that setting and worked great confirming it was bad, so I replaced the capacitor myself for $20 bucks vs a $200+ AC repairman! The meter is good size, about the size of your hand. Display is large and easy to read. Backlight display is really bright. It has a "contact" voltage setting. Hold it to an outlet/switch or power cord and it will show bars if it detects power. Can test 120 volts, car battery or quickly all small battery sizes. Also has a beeper for test continuity/broken wires etc. . To me it has everything the "average joe homeowner" needs, is not overly complex and easy to understand settings. I thought about spending more, but after getting this for under $20 bucks, this was the best decision and best value. Does everything I will ever need with easy to read and understand settings. There are a lot of reviews on YT that show you have to use this model and shows it has good accuracy as well. I am happy with it.
    Customer image
    MB
    5.0 out of 5 stars
    Good enough for me and easy to understand. Great buy

    Reviewed in the United States on July 15, 2025
    I have had a lot of cheap multimeters. They were hard to read and harder to really understand the settings and I never could figure them out the 3-4 times a year I might need to use one. This meter is much better and perfect for me for basic work around the house. As my first use for this meter, I wanted to test a AC unit capacitor to see if it was bad. This meter has that setting and worked great confirming it was bad, so I replaced the capacitor myself for $20 bucks vs a $200+ AC repairman! The meter is good size, about the size of your hand. Display is large and easy to read. Backlight display is really bright. It has a "contact" voltage setting. Hold it to an outlet/switch or power cord and it will show bars if it detects power. Can test 120 volts, car battery or quickly all small battery sizes. Also has a beeper for test continuity/broken wires etc. . To me it has everything the "average joe homeowner" needs, is not overly complex and easy to understand settings. I thought about spending more, but after getting this for under $20 bucks, this was the best decision and best value. Does everything I will ever need with easy to read and understand settings. There are a lot of reviews on YT that show you have to use this model and shows it has good accuracy as well. I am happy with it.
    Images in this review
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  • Arjen
    5.0 out of 5 stars Meets expectations
    Reviewed in the Netherlands on November 26, 2024
    Verified Purchase
    It uses cheap AA batteries.
    Other multimeters use more expensive 9V batteries.

Brand in this category on 鶹

Product Summary: AstroAI Digital Multimeter 4000, Auto Range NCV Detector, Multimeter Tester with Volt Amp Ohm, Multi Meters Measures AC/DC Voltage, Current, Resistance, Continuity, Capacitance, Diodes and Batteries

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4.4 out of 5 stars, 7,890 ratings

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About this Item

  • 【VERSATILE SETTINGS】The AstroAI digital multimeter accurately measures AC/DC voltage, AC/DC current, resistance, continuity, capacitance, diodes and batteries (1.5, 9 and 12V battery settings).
  • 【NON-CONTACT SAFETY】This multimeter tester is designed with safety in mind. The NCV function minimizes exposure to live wires, the probe works for outlets, sockets, terminals, and more.
  • 【PRACTICAL FEATURES】When using a multimeter, the small details like data hold, a large backlight LCD screen, kickstand, and low battery indicator help get the job done better and faster.
  • 【TROUBLESHOOTING MADE EASY】Whether the job is a quick DIY continuity check or a complex problem, the durable design and consistent readings pair well for both long days in the field and tinkering in the garage.
  • 【SAFETY FIRST】Two integrated fuses rated at F500mA/600V and F10A/600V, anti-burn with double ceramic fuse and thermistor protection circuit, the fuses can protect the multimeter effectively, overload protection on all ranges.

Product description

The AstroAI True RMS Digital Multimeter is designed to be safely and accurately used by professionals and weekend DIYer's alike.The instrument performs AC/DC Voltage, AC/DC Current, Resistance, Audible Continuity Testing, Battery Voltage, Diode Testing, NCV Detection, and Capacitance Testing.

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