• AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
  • AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
  • AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
  • AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
  • AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
  • AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery
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AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery

★★★★★4.8

$25.99

Counts:

Model:

Technical Details

AstroAI combines innovation with strict quality control. Our technical details highlight advanced features. Trust in our excellence for top performance.

Package Dimensions6.1 x 4.37 x 2.09 inches
Item Weight7.72 ounces
ModelM4K0R
Measurement TypeMultimeter, Ohmmeter, Voltmeter
External Testing CertificationCAT III 600V
Power Source Type Battery Powered
Batteries2 AAA batteries required. (included)

Which is the Best for You?

AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery

Price

$25.99

What's Included
Maximum Display4000 Counts
AC/DC VoltageAC/DC 600v
AC/DC Current
Resistance/Continuity
Range SelectionAuto
Capacitance/FrequencyOnly Capacitance
InrushX
NCV Detection
VFD / LoZX
TemperatureX
AstroAI CM4K0R Digital Clamp Meter 4000 Counts, Measuring AC/DC Voltage, Amp, Resistance, Capacitance, Frequency, Continuity, Live Wire Test, etc.

Price

$45.99

What's Included
Maximum Display4000 Counts
AC/DC VoltageAC/DC 600v
AC/DC CurrentAC/DC 400A
Resistance/Continuity
Range SelectionAuto
Capacitance/Frequency
InrushX
NCV Detection
VFD / LoZX
TemperatureX
AstroAI DMM with Non-Contact Voltage Function, Measures Voltage, Current, Amp, Resistance, Capacitance and 1.5V/9V/12V Battery, Model DM130B

Price

$21.99

What's Included
Maximum Display4000
AC/DC Voltage
AC/DC Current
Resistance/Continuity
Range SelectionManual and Auto
Capacitance/FrequencyOnly Capacitance
Inrush-
NCV Detection
VFD / LoZ-
TemperatureX
AstroAI Digital Multimeter TRMS 4000 Counts, Measures Voltage, Current, Resistance, Continuity, Frequency, Tests Diodes, Temperature, Red, DT132A

Price

$25.99

What's Included
Maximum Display4000
AC/DC Voltage
AC/DC Current
Resistance/Continuity
Range SelectionManual and Auto
Capacitance/Frequency
Inrush-
NCV Detection-
VFD / LoZ-
Temperature
AstroAI M6K0R Digital Multimeter TRMS 6000 Counts, Measuring AC/DC Voltage, Current, Capacitance, Resistance, Frequency, Temperature, Continuity Diodes with NCV

Price

$37.99

What's Included
Maximum Display6000 Counts
AC/DC Voltage
AC/DC Current
Resistance/Continuity
Range Selection-
Capacitance/Frequency
Inrush-
NCV Detection
VFD / LoZ-
Temperature

Frequently Asked Questions

?

Range for capacitance

The range of the capacitance is 4nF/40nF/400nF/4μF/40μF/400μF/4mF ±(4.0%+5).

?

Does this unit come with batteries installed?

Yes, the batteries are already installed in the multimeter.

?

Is the included user manual in English?

Yes, the multimeter comes with a user manual in English. There is a PDF user manual in English, and the manual is located under the product guide and documentation on the product listing.

Customer Reviews

4.8

★★★★★

154 Reviews

  • 5

    128

  • 4

    20

  • 3

    6

  • 2

    0

  • 1

    0

L

Lisa

★★★★★

As described, nice unit

Nice inexpensive unit. used to check my millivolt system.

Apr-05,2026

F

Flavio Espinoza

★★★★★

It’s a basic tool and the use is very easy

Meet expectations, functionality and good price

Apr-05,2026

E

Edgar Martinez

★★★★★

Buena calidad por el precio

Tal cual como en la foto..

Apr-05,2026

C

Ceci

★★★★★

Great buy

It works better than expected. Good quality and price

Apr-04,2026

Z

Zane

★★★★★

Great Budget-Friendly Multimeter for Basic Electrical Troubleshooting

This looks like a strong choice for someone who wants a multimeter that covers the main functions without paying a lot. Auto-ranging, continuity, capacitance, battery checks, and NCV make it feel like a useful all-around tool for home, automotive, and light electrical troubleshooting.

AstroAI has a decent reputation in the budget tool space, and this seems like a good fit for someone who wants practical features without going full professional-grade.

Pros:
✅ Good range of useful functions
✅ Auto-ranging makes it easier for beginners
✅ Nice for household and automotive troubleshooting
✅ Good budget-friendly tool

Cons:
⚠️ Better for general-use testing than specialized advanced electrical work
⚠️ As with any meter, leads and user knowledge still matter

Overall, a solid multimeter for everyday troubleshooting.

Apr-02,2026

A

Ahmad Walizada

★★★★★

Simple

Good for the price. Gets the job done. Easy to work.

Mar-28,2026

R

Rickey York

★★★★★

Great product

Great seller

Mar-27,2026

C

Charley325

★★★★★

The ability to read high megohms is a real plus.

Great tech at a great price!

Mar-22,2026

AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery

AstroAI M4KOR Digital Multimeter Tester TRMS 4000 Counts, Measure Voltage, Current, Resistance, Diodes, Continuity, Capacitance with NCV and 1.5V/9V/12V Battery

$25.99