Hioki CM4373 clamp meter — Review

Hioki

Hioki CM4373 clamp meter

★★★★½ 4.6/5 (3 customer reviews)
Overall Score4.6/5.0
Expert Verdict

The Hioki CM4373 clamp meter is an excellent choice for professionals seeking a reliable, accurate, and versatile tool for electrical measurements. Its robust safety features and advanced filtering capabilities make it ideal for demanding environments. Despite a premium price, the performance and durability justify the investment.

Estimated price · USD
$199.95 ↓ 11% vs 12-mo high
12-mo low
$186.19
12-mo avg
$210.71
12-mo high
$225.38

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

Key features
  • Measures AC/DC current up to 1000A
  • Wide jaw opening of 40mm for large conductors
  • Backlit LCD display with large digits
  • Low-pass filter for accurate VFD measurements
  • Data hold and peak hold functions
  • CAT IV 600V / CAT III 1000V safety rating
  • Ergonomic, lightweight design for ease of use
✓ Pros
  • High accuracy and precision in readings
  • Robust build quality suitable for industrial use
  • Effective low-pass filter for VFD signals
  • Large jaw opening accommodates thick cables
  • Clear, backlit display for various lighting conditions
  • Strong safety ratings for high-voltage environments
  • User-friendly interface and controls
✗ Cons
  • Relatively higher price compared to basic models
  • No Bluetooth or wireless connectivity option
  • Battery life could be longer under heavy use

Full Review

The Hioki CM4373 clamp meter is a professional-grade electrical testing tool designed for electricians and technicians who require precision and durability in their measurements. This clamp meter combines advanced measurement capabilities with a robust design, making it suitable for industrial and commercial applications. With its high accuracy and broad measurement range, it efficiently handles AC/DC current, voltage, resistance, and continuity testing.

Equipped with a large, easy-to-read LCD display and a backlight, the CM4373 ensures clear visibility even in dimly lit environments. Its ergonomic design and lightweight body provide comfort during extended use. The clamp jaw is engineered to open wide enough to accommodate larger cables and conductors, improving usability on complex electrical systems.

Additional features include a data hold function, peak hold capability, and a low-pass filter to measure variable frequency drive (VFD) outputs accurately. The device is also designed with safety in mind, holding a CAT IV 600V / CAT III 1000V rating, making it reliable for high-voltage environments. Overall, the Hioki CM4373 is a versatile and trustworthy clamp meter that meets the demands of modern electrical troubleshooting and maintenance tasks.

Price history Estimated

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

$225$216$206$196$186$199.95M-11M-9M-7M-5M-3M-1Now
Now
$199.95
12-mo low
$186.19
12-mo avg
$210.71
12-mo high
$225.38

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

Customer Reviews

Mark D.March 2025
★★★★★
Highly Accurate and Durable
I've been using the Hioki CM4373 on various industrial sites, and it consistently delivers precise measurements. The build quality is impressive and feels solid in hand. It’s become my go-to clamp meter for tough jobs.
Samantha R.January 2025
★★★★☆
Great Features but Pricey
The CM4373 has all the functions I need, especially the VFD filtering. However, it is a bit expensive compared to other clamp meters. Still, the quality and accuracy make it worth the cost.
James F.February 2025
★★★★★
Excellent for Industrial Use
This meter handles large cables easily thanks to the wide jaw and provides stable readings in noisy electrical environments. The safety ratings also gave me confidence working on high-voltage panels.