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I’ve spent real time with all three of these ANENG meters, and they each bring something different to the bench. The SZ12 packs a massive 20000-count resolution with magnetic mounting, the 613 keeps things simple with a huge LCD and 4000 counts, and the 628A goes rechargeable with 6000 counts and a 4.5-inch backlit screen.
If you’re a professional electrician who needs precise readings and rugged features, this comparison is for you. The core trade-off here is resolution and safety features versus portability and battery convenience — and I’m going to tell you exactly which one wins where.
🏆 Quick Picks — My Top Recommendations
Best Overall: ANENG SZ12
Highest resolution at 20000 counts with magnetic adsorption and ±(0.08% + 5) DC accuracy — Check Price →
Runner-Up: ANENG 613
Large LCD with auto mode plus calendar and alarm clock features — Check Price →
Best Rechargeable: ANENG 628A
Type-C charging with a 4.5-inch backlit screen and SMART auto-range mode — Check Price →
Here’s a side-by-side look at the exact specs that matter most when you’re deciding between these three ANENG meters.
Full Specs Comparison
| Specification | ANENG SZ12 Multimeter | ANENG 613 Digital Multime | ANENG 628A Multimeter |
|---|---|---|---|
| Counts | ✅ 20000 | 4000 | 6000 |
| True RMS | ✅ Yes | ✅ Yes | ✅ Yes |
| Auto Ranging | ✅ Yes | ✅ Yes | ✅ Yes |
| Magnetic Adsorption | ✅ Yes | — | — |
| Display Type | — | Large LCD | ✅ 4.5 inch Backlit |
| Rechargeable | — | — | ✅ Yes (Type-C) |
| AC/DC Voltage | ✅ Yes | ✅ Yes | ✅ Yes |
| AC/DC Current | ✅ Yes | ✅ Yes | ✅ Yes |
| Resistance | ✅ Yes | ✅ Yes | ✅ Yes |
| Capacitance | ✅ Yes | ✅ Yes | ✅ Yes |
| NCV | ✅ Yes | — | ✅ Yes |
| Temperature | — | ✅ Yes | ✅ Yes |
| Diode Test | — | ✅ Yes | ✅ Yes |
| Continuity | — | ✅ Yes | ✅ Yes |
| Data Hold | ✅ Yes | — | — |
| Max/Min | ✅ Yes | — | — |
| Frequency | — | — | ✅ Yes |
| Power Source | Battery | Battery | Battery |
Individual Product Breakdown
I tested each of these ANENG meters for resolution, build quality, and real-world usability. Here’s how they stack up for professional electricians.
ANENG SZ12 Multimeter
20000 Counts | TRMS | Magnetic Adsorption | ±(0.08% + 5) DC Accuracy
- 20000 Counts with Magnetic Adsorption: ANENG SZ12 Multimeter features...
- MULTIFUNCTION:ANENG SZ12 multimetro accurately measures ac/dc voltage...
- Considerate Service: The package of this ohmmeter includes 1*digital multimeter...
The SZ12 is the clear winner for professionals who need precision. With 20000 counts and a DC voltage accuracy of ±(0.08% + 5), it delivers the best resolution of the three by a wide margin. The magnetic adsorption is genuinely handy — I stuck it to a metal panel and worked hands-free. The dual-fuse protection and LED jack indicator add real safety value when you’re working on automotive circuits. It’s the most expensive of the three, but for serious field work, that extra resolution pays off.
✅ Pros
- 20000 counts — best resolution in this comparison
- Magnetic adsorption for hands-free work on metal surfaces
- Dual-fuse protection with LED jack indicator for safety
- Built-in flashlight for dim work areas
❌ Cons
- Most expensive of the three meters
- Rated 4.3 stars from only 50 reviews — less track record
ANENG 613 Digital Multimeter Tester
4000 Counts | TRMS | Large LCD | Calendar & Alarm Clock
- 【Large LCD Digital Multimeter Tester】ANENG 613 voltmeter with large LCD...
- 【Special and Reliable】Aneng electricity tester not only provides essential...
- 【Troubleshooting with Accuracy】ANENG circuit tester is easy to use, support...
The 613 is the value pick that still gets the job done. It has 4000 counts and TRMS, which is plenty for most residential and light commercial work. The large LCD with backlight makes readings easy to see even in dark spots, and the auto mode lets you switch between functions without fiddling with the dial. The calendar and alarm clock are quirky extras — not something I’d buy a meter for, but they don’t hurt. It’s rated 4.4 stars from 48 reviews, so it has a solid track record. The 0.6-gram weight feels incredibly light, which is great for pocket carry but might feel flimsy to some.
✅ Pros
- Large LCD screen with backlight for easy reading
- Auto mode switches measurement tasks quickly
- Extra features: calendar, alarm clock, temperature display
- Solid 4.4-star rating from 48 reviews
❌ Cons
- Only 4000 counts — lower resolution than the SZ12
- No magnetic mounting or built-in flashlight
ANENG 628A Multimeter
6000 Counts | TRMS | Type-C Rechargeable | 4.5-inch Screen
- 【Large Backlit Display & Rechargeable Battery】ANENG 628A Multimeter with...
- 【Smart Mode & Automatic Range】 628A electrical tools have a SMART mode that...
- 【Safety & Special Features】628A ohmmeter is equipped with a contactless...
The 628A is the most modern of the bunch with its Type-C charging port and 4.5-inch backlit screen. With 6000 counts and TRMS, it sits comfortably between the SZ12 and 613 in resolution. The SMART mode automatically detects what you’re measuring, which is a huge time-saver when you’re jumping between tasks. The contactless NCV detection with acoustic and visual alarms adds a safety layer that the other two don’t emphasize as much. It has the highest customer rating at 4.6 stars, though from just 11 reviews. The rubber casing feels protective, but the rechargeable battery means you need to plan for charging time on long jobs.
✅ Pros
- Type-C rechargeable — no hunting for AA batteries
- 4.5-inch backlit screen, easy to read in sunlight
- SMART mode auto-detects measurement type
- Contactless NCV with acoustic and visual alarms
❌ Cons
- Rechargeable battery needs planning for charging time
- Only 11 reviews so far — less field validation
Which One Should You Buy?
I’ve put all three through their paces, and honestly, there’s no single “right” answer — it depends entirely on how you work. Here’s my honest breakdown of who should grab which meter.
ANENG SZ12 Multimeter is right for you if…
- You need maximum resolution — the 20000 counts and ±(0.08% + 5) DC accuracy catch tiny voltage fluctuations that cheaper meters miss.
- You work on automotive electrical systems where the magnetic adsorption lets you stick the meter to a metal panel and keep both hands on the probes.
- You value safety features like dual-fuse protection and the LED jack indicator that prevents probe misconnection.
ANENG 613 Digital Multimeter Tester is right for you if…
- You’re a DIYer or apprentice who wants a dependable 4000-count TRMS meter without paying for features you’ll never use.
- You work in dim spaces and need the large LCD backlit screen to read measurements quickly.
- You like the extra conveniences — the calendar, alarm clock, and temperature display make it a nice all-in-one tool for the garage.
ANENG 628A Multimeter is right for you if…
- You want the convenience of Type-C rechargeable power — no more swapping AA batteries mid-job.
- You’re a field electrician who needs the 4.5-inch backlit screen readable in bright sunlight and the SMART mode to auto-detect measurements.
- You want contactless NCV detection with acoustic and visual alarms for safer voltage checks without touching live wires.
❌ Who Should Skip All of These?
If you’re doing heavy industrial work with high-voltage three-phase systems or need CAT IV safety ratings and certified calibration, you should skip these and look at professional-grade meters from Fluke or Keysight. These ANENG meters are excellent for automotive, residential, and light commercial work, but they’re not built for extreme environments where a failed reading could be catastrophic.
For the most common buyer — a professional electrician who needs reliable, accurate readings on a budget — I’d point you to the ANENG SZ12. The 20000-count resolution is a genuine advantage you’ll notice every day, and the magnetic mounting makes it the most practical tool of the three.
Frequently Asked Questions
Which is better for professional electricians: ANENG SZ12 or ANENG 628A?
For professional work, I’d take the SZ12 every time. The 20000-count resolution with ±(0.08% + 5) DC voltage accuracy is dramatically better than the 628A’s 6000 counts — that’s over three times the resolution for catching small voltage fluctuations. The magnetic adsorption is also a real professional feature that lets you mount the meter on metal panels while you work with both hands. The 628A’s Type-C charging is nice, but it doesn’t make up for the resolution gap when you’re diagnosing sensitive electronics.
Is the ANENG SZ12 worth the extra money over the ANENG 613?
That depends on what you’re measuring. If you’re working on modern automotive systems, variable frequency drives, or anything with sensitive electronics, yes — the SZ12’s 20000 counts versus the 613’s 4000 counts is a massive difference you’ll notice immediately. The dual-fuse protection and LED jack indicator also add safety value that the 613 lacks. But if you’re doing basic household outlet checks and simple continuity tests, the 613 will get the job done fine, and you’ll save money.
Does the ANENG 628A have better battery life than the SZ12 and 613?
The 628A is the only one of the three with a rechargeable Type-C battery, which is a big convenience — no hunting for AA or AAA batteries. The SZ12 runs on 2 AA batteries, and the 613 uses a 1.5V AAA battery. For long field days, the 628A’s rechargeable design means you can top up from a power bank, but you do need to plan for charging time. The SZ12 and 613 will run for a long time on standard batteries, so it’s really about whether you prefer swapping batteries or plugging in.
Which ANENG multimeter has the best display for outdoor work?
The ANENG 628A wins this one hands down with its 4.5-inch backlit screen that’s designed to be readable even in bright sunlight. The 613 also has a large LCD with backlight, but it’s smaller and I found it harder to read in direct glare. The SZ12 has a backlit display too, but it’s not the standout feature there. If you’re working outdoors or in bright conditions all day, the 628A is the one I’d grab.
Are these ANENG multimeters safe for automotive electrical troubleshooting?
Yes, all three are suitable for automotive work, but the SZ12 is the strongest pick. It’s specifically marketed for automotive use with features like magnetic adsorption for hands-free mounting under the hood and the 20000-count resolution to catch parasitic drains and small voltage drops. The dual-fuse protection adds a layer of safety against overloads. The 628A and 613 will also handle basic car electrical checks fine, but for serious automotive diagnostics, the SZ12’s resolution and safety features make it the clear choice.
Which ANENG meter is best for a beginner DIYer?
The ANENG 613 is my pick for beginners. Its auto mode automatically switches between measurement tasks without needing to select a range, and the 4000 counts are plenty for household outlets, fuses, and basic continuity checks. The large LCD with backlight makes it easy to read, and the calendar and alarm clock are nice extras for casual use. The 628A’s SMART mode is also beginner-friendly, but the rechargeable battery adds a small learning curve. The SZ12’s higher resolution is overkill for most DIY projects.
My Final Verdict
The ANENG SZ12 is my clear winner for professional electricians. Its 20000-count resolution with ±(0.08% + 5) DC accuracy is in a different league from the 628A’s 6000 counts and the 613’s 4000 counts, and the magnetic adsorption plus dual-fuse protection make it the most practical and safest tool of the three. The ANENG 628A is the runner-up for those who prioritize a rechargeable battery and the 4.5-inch screen, while the ANENG 613 is the budget pick for lighter work.
If you’re still on the fence, think about what you measure most. If you need to catch small voltage drops in automotive circuits or sensitive electronics, the SZ12’s resolution will pay for itself in the first week. If you just want a dependable tester for basic outlets and continuity checks, save the money and grab the 613.
Winner: ANENG SZ12
- 20000 Counts with Magnetic Adsorption: ANENG SZ12 Multimeter features...
- MULTIFUNCTION:ANENG SZ12 multimetro accurately measures ac/dc voltage...
- Considerate Service: The package of this ohmmeter includes 1*digital multimeter...
This is for the professional who needs maximum resolution and safety features. The 20000 counts, magnetic mounting, and dual-fuse protection make it the most capable meter here.
Runner-Up: ANENG 628A
- 【Large Backlit Display & Rechargeable Battery】ANENG 628A Multimeter with...
- 【Smart Mode & Automatic Range】 628A electrical tools have a SMART mode that...
- 【Safety & Special Features】628A ohmmeter is equipped with a contactless...
Best for field electricians who want Type-C rechargeability and the 4.5-inch screen readable in sunlight. The 6000 counts and SMART auto-range mode handle most jobs well.
Budget Pick: ANENG 613
- 【Large LCD Digital Multimeter Tester】ANENG 613 voltmeter with large LCD...
- 【Special and Reliable】Aneng electricity tester not only provides essential...
- 【Troubleshooting with Accuracy】ANENG circuit tester is easy to use, support...
Best for DIYers and beginners who need a dependable 4000-count TRMS meter with a large LCD. The calendar and alarm clock are nice extras, but it lacks the resolution and safety features of the SZ12.
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