Owon CM2100B clamp meter — Review

Owon

Owon CM2100B clamp meter

★★★★☆ 4.3/5 (3 customer reviews)
Overall Score4.3/5.0
Expert Verdict

The Owon CM2100B clamp meter is an excellent mid-range tool that balances accuracy, safety, and usability. It is well-suited for electricians and DIYers who need a reliable meter for everyday electrical measurements without breaking the bank. While it lacks some advanced features found in higher-end models, this meter provides solid performance and value for its price.

Estimated price · USD
$119.95 ↓ 10% vs 12-mo high
12-mo low
$112.08
12-mo avg
$121.80
12-mo high
$133.00

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Key features
  • Measures AC/DC current up to 100A with clamp
  • Measures AC/DC voltage, resistance, and continuity
  • Backlit LCD display for easy reading in low light
  • Auto-ranging function for hassle-free measurements
  • Data hold feature to freeze readings on display
  • CAT III 600V safety rating for reliable protection
  • Compact and ergonomic design for comfortable use
✓ Pros
  • Accurate and stable current measurements
  • Lightweight and easy to handle
  • Backlight enhances visibility in dark environments
  • Auto-ranging simplifies operation for beginners
  • Durable construction suitable for fieldwork
  • Affordable price point for the features offered
  • Good battery life with low battery indicator
✗ Cons
  • Clamp jaw size limits measurement of larger cables
  • No temperature measurement feature
  • Display digits could be larger for better readability

Full Review

The Owon CM2100B clamp meter is a versatile and reliable tool designed for both professional electricians and DIY enthusiasts. It offers accurate measurements of AC/DC current, voltage, resistance, and continuity, making it suitable for a wide range of electrical troubleshooting and maintenance tasks. With its compact clamp design, users can easily measure current without disconnecting circuits, enhancing safety and convenience.

Equipped with a clear backlit LCD, the CM2100B ensures readings are visible even in low-light conditions. Its robust build and ergonomic design make it comfortable to hold during extended use. The meter also includes useful features like auto-ranging, data hold, and a low battery indicator, which streamline the measurement process and improve efficiency.

Designed with safety in mind, the clamp meter meets CAT III 600V safety standards, providing confidence when working on household and industrial electrical systems. Overall, the Owon CM2100B combines accuracy, ease of use, and durability in a compact package, making it a solid choice for anyone needing a dependable clamp meter for electrical diagnostics.

Price history Estimated

Modelled 12-month price trajectory in USD. Points are smoothed estimates — see the partner store for the live price.

$133$128$123$117$112$119.95M-11M-9M-7M-5M-3M-1Now
Now
$119.95
12-mo low
$112.08
12-mo avg
$121.80
12-mo high
$133.00

We earn a small commission on qualifying purchases via affiliate links — at no additional cost to you.

Customer Reviews

Mark T.March 2025
★★★★★
Reliable and easy to use
I've been using the Owon CM2100B for a few months now, and it has proven to be very accurate and user-friendly. The clamp is the perfect size for most household wiring, and the backlight really helps when working in dim spaces.
Samantha L.January 2025
★★★★☆
Good value for the price
This clamp meter offers solid performance for its cost. It’s lightweight and easy to carry around on job sites. The only downside is the display could be a bit bigger, but it’s not a deal-breaker.
James R.February 2025
★★★★☆
Great for basic electrical work
The CM2100B covers all the basics I need for my electrical projects. It’s accurate and the auto-ranging feature saves time. I wish it had temperature measurement, but for the price, it’s a great tool.