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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 | #145 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1 in Multi Testers |
| Brand Name | AstroAI |
| Color | Blue |
| Customer Reviews | 4.5 4.5 out of 5 stars (55,644) 4.5 out of 5 stars |
| 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 |
| 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 Name | compact |
| Unit Count | 1 Count |
| Upc | 756910381981 |
| Upper Temperature Rating | 104 ยฐF |
| Warranty Description | 1 Year Warranty by AstroAI |
User
Good product, good price, and easy to use.
Works well. Great price.
User
Small but great performance
Easy to use nice simple set up not big and bulky . Works great
User
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.
User
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.
User
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
User
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
User
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.
User
Accurate and easy to use
Works great. Was able to test my car batteries voltage accurately while resting and while running
User
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.
User
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.
User
Great product
looks good value
User
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User
Elektro
Prima product
Trustpilot
2 weeks ago
1 month ago