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โก Power Up Your Diagnostics with AstroAI โ Precision Meets Safety!
The AstroAI Digital Multimeter AM33D offers 2000 counts resolution to accurately measure AC/DC voltage, current, resistance, continuity, and diode functionality. Designed with double fuse anti-burn protection and a silicone cover, it ensures user safety during electrical troubleshooting. Its compact, lightweight form factor combined with a backlit LCD and data hold feature makes it ideal for professionals and DIYers alike. Powered by a 9V battery and backed by a responsive California-based support team, this multimeter is a top-ranked, reliable tool for both household and automotive electrical diagnostics.













| ASIN | B01ISAMUA6 |
| Best Sellers Rank | #146 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Multi Testers |
| Brand | AstroAI |
| Brand Name | AstroAI |
| Color | Blue |
| Customer Reviews | 4.5 out of 5 stars 55,644 Reviews |
| Included Components | 1 x AstroAI AM33D Digital Multimeter, 1 x 9V 6F22 Battery, 2 x Test Leads, 1 x User Manual |
| Item Dimensions | 1.77 x 5.47 x 42.52 inches |
| Item Type Name | AstroAI Digital Multimeter with Ohm Volt Amp and Diode Voltage Tester Meter (Intelligent Anti-burn) |
| Item Weight | 253 g |
| Item dimensions L x W x H | 1.77 x 5.47 x 42.52 inches |
| Lower Temperature Rating | 32 ยฐF |
| Manufacturer | AstroAI |
| Maximum Operating Voltage | 500 volts |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 2 volts |
| Model | AM33D |
| Number of Items | 1 |
| Part Number | MT33D |
| Power Source | Battery Powered |
| Specification Met | Iec 61010 |
| Style | compact |
| Style Name | compact |
| UPC | 756910381981 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 104 ยฐF |
| Warranty Description | 1 Year Warranty by AstroAI |
D**Y
Good product, good price, and easy to use.
Works well. Great price.
B**R
Small but great performance
Easy to use nice simple set up not big and bulky . Works great
T**.
Works well and a great price.
This meter works well as a backup to keep in my toolbox and is also handy for working on guitar electronics. It even came with the battery pre-installed, so it was ready to use right out of the box. My only minor issue was that the probe cable terminals fit a little loosely in the meter. I fixed it easily by using a small screwdriver to slightly spread the metal prongs, which gave them a snug, secure fit. Other than that, it's been working just fine.
D**N
Pinpointed my RV converter problem in minutes
Bought this to chase down a charging problem on my travel trailer. The batteries weren't taking a charge on shore power, and I needed something to start isolating where the voltage was dropping out. This meter got me there. I checked the AC side coming in, then what was actually reaching the batteries on the DC side, and that's how I narrowed it down to a bad AC to DC converter rather than the batteries or the wiring. The probes feel solid, the dial has good detents so you're not second-guessing the range, and DC readings were steady and consistent. The backlight is a genuinely nice touch. A lot of my testing happened in a dim storage bay and under the trailer, and being able to read the screen without holding a flashlight in my teeth made the job a lot easier. It's light and small enough to live in the truck, so it's become my grab-and-go meter for quick checks. Five stars. It saved me from replacing two 6v deep cycle batteries that were actually fine.
D**T
Love this. Easy to use. Quickly tests batteries.
This is really easy to use. I appreciate that I can check all my batteries so far. Iโve been using it for about two months and instead of just tossing batteries that I think arenโt working I know for sure if theyโre working or not if theyโre dead or not so easy to use simple purchase compact design. I can take it with me like if I go camping or somewhere like that and itโs very lightweight so I like it
T**I
Cost effective and easy to use
Thanks . Easy to use no issues and gave me the necessary readout I needed for troubleshooting a few electrical issues and lamp socket issues . Overall solid tool that will last me for a while doing hobbies and project troubleshooting
R**P
Nice DVM for the money
Needed a basic DVM for home use and tried this one out. Inexpensive and does the functions I need. Good buy.
E**W
Accurate and easy to use
Works great. Was able to test my car batteries voltage accurately while resting and while running
B**2
Good Value with all Essential Functions.
Excellent piece of kit for amateur electricians. It even has a continuity test mode, lacking on other brands at this price point. Recommended.
A**A
Cumple con lo que promete
Muy buena opcion debido a calidad y precio,cumplio perfectamente las expectativas de mi hijo ya que lo utiliza en su escuela.
R**G
Great product
looks good value
3**D
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M**N
Elektro
Prima product
Trustpilot
1 month ago
2 months ago