
21030T Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is Used, SOUTHWIRE TRUE RMS 400A AC TRMS CLAMP METER 21030T m2 , shipping cost = $13.05 | 99.1% |
![]() | $30.00 | Condition is Used, Southwire 21030T True Rms Ac Clamp Meter Electrical Tester. Cat III 600v 400A, shipping cost = $16.45 | 100.0% |
![]() | $89.99 | Condition is Used, Southwire 21030T True Rms Ac Clamp Meter Electrical Tester. Cat III 600v 400A, shipping cost = $9.99 | 99.8% |
![]() | $100.00 | Top Pick! Condition is Used, Southwire 21030T True Rms Ac Clamp Meter Electrical Tester. Cat III 600v 400A, shipping cost = $6.80 | 99.7% |



The Southwire 21030T True RMS Digital Multi-Meter AC Clamp Meter is a high-performance, versatile tool designed for electricians, technicians, and DIY enthusiasts. This clamp meter, compliant with Category III 600V CAT III, allows you to measure current in live wires without the need for direct contact, ensuring user safety.
The True RMS feature of this device ensures accurate readings even when measuring non-sinusoidal signals, making it ideal for use in modern electrical systems. The Southwire 21030T features a large backlit LCD display that is easy to read, even in dimly lit environments. The display also provides overload, low battery, and overvoltage indicators for added safety and convenience.
This multi-meter clamp meter comes with a 600V AC current clamp probe, which can measure up to 400 amps of current. It also includes a range of other functions, including voltage, resistance, and continuity testing. The probe is flexible and can fit around wires of various sizes, making it a versatile tool for a wide range of electrical applications.
The Southwire 21030T is compact and lightweight, making it easy to carry and use in tight spaces. It is also equipped with a rubberized grip for improved comfort and control. The device is powered by two AA batteries, which are included in the package.
In summary, the Southwire 21030T True RMS Digital Multi-Meter AC Clamp Meter is a reliable, accurate, and safe tool for measuring current in live wires. Its versatile features and user-friendly design make it an essential tool for electricians, technicians, and DIY enthusiasts.
Pros of buying a Southwire 21030T Digital Multimeter AC Clamp Meter CAT III:1. Wide Measurement Range: This multimeter has a wide measurement range, which makes it suitable for a variety of electrical measurements, including voltage, current, resistance, and frequency.
2. AC Clamp Meter: The AC clamp meter feature allows you to measure current without having to break the circuit, making it safer and more convenient to use.
3. CAT III Rating: The CAT III rating means that this multimeter can be used on live circuits up to 600V, making it suitable for most residential and commercial electrical work.
4. Backlit Display: The backlit display makes it easy to read the measurements in low light conditions.
5. Rugged Design: The rugged design and water-resistant housing make it suitable for use in harsh environments.
Cons of buying a Southwire 21030T Digital Multimeter AC Clamp Meter CAT III:1. Price: This multimeter is more expensive than some other options on the market.
2. Lack of Advanced Features: Compared to some higher-end multimeters, this one does not have advanced features like data logging or Bluetooth connectivity.
3. Limited Number of Functions: While this multimeter has a wide measurement range, it only has basic functions and may not be suitable for more advanced electrical work.
Conclusion:The Southwire 21030T Digital Multimeter AC Clamp Meter CAT III is a reliable and versatile tool for electrical work. Its wide measurement range, AC clamp meter feature, and CAT III rating make it suitable for most residential and commercial electrical work. However, its higher price and limited number of functions may make it less suitable for those on a tight budget or those who need more advanced features. If you are looking for a basic but reliable multimeter for electrical work, this one is a good option. If you need more advanced features or are on a tighter budget, you may want to consider other options.
Recommendation:If you are looking for a basic but reliable multimeter for electrical work, the Southwire 21030T Digital Multimeter AC Clamp Meter CAT III is a good option. Its wide measurement range, AC clamp meter feature, and CAT III rating make it suitable for most residential and commercial electrical work. However, if you need more advanced features or are on a tighter budget, you may want to consider other options. Always make sure to read reviews and compare specifications before making a purchase to ensure that you are getting the best tool for your needs.
Details:
specifications testmultimeters:
- brand: Southwire
- mpn: 21030t
- part type: Clamp
- measurement category: Cat Iii
- form factor: Handheld
- country/region of manufacture: China
- display: Digital
offer testmultimeters:
- availability: in stock
- options: ship-to-home
- prices: $19.99–$100.00
- item condition: Used
- started: july 13, 2024
- sold #: 28
- in stock #: 4
- best offers: true
seller testmultimeters:
- # reviews: 6269
- city: inverness, florida
- rating: 99.6%
shipping testmultimeters:
- carrier: usps
- transit: 5-10 days
- service: usps ground advantage
- type: fixed
- class: standard
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
returns testmultimeters:
- policy: returns accepted
- method: money back
- paid by: buyer
- time: 30 days
payments testmultimeters:
- wallet: google-pay
- other
- credit card: mastercard
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![SOUTHWIRE TRUE RMS 400A AC TRMS CLAMP METER 21030T [m2] SOUTHWIRE TRUE RMS 400A AC TRMS CLAMP METER 21030T [m2]](/z_testmultimeters/WQgAAOSwUvRlSU1q.webp)


