P A R G A R A N

FA EN
Extech 380940 400A True RMS AC/DC Watt Clamp-on

Extech | Electrical Tester

Extech 380940 400A True RMS AC/DC Watt Clamp-on

MPN / Part No: 380940
Price updated: Sep 24, 2026

This precision industrial tool with the capability to measure power, current, and AC/DC voltage with high accuracy is an ideal device for electrical engineers and industrial technicians for troubleshooting power systems. The design of the 400A clamp meter allows for safe measurement without circuit interruption for heavy-duty applications.

Sell this product as a vendor?

List your inventory and pricing to receive direct B2B orders.

Extech True RMS AC/DC Clamp Meter Model 380940 is an advanced and precise measuring tool specifically designed for industrial and electrical engineering applications.

This device offers True RMS measurement capability, providing high accuracy in measuring non-sinusoidal signals and nonlinear loads. This feature is essential for the precise analysis of power systems and sensitive electronic equipment.

The Extech brand provides the 380940 model, a tool that, in addition to measuring power (watts), also displays current (amps) and voltage simultaneously with high accuracy.

The design of this clamp meter allows the user to perform measurements safely and without needing to break the circuit. With a current measurement range of up to 400 amps, this tool is suitable for heavy industrial applications and power distribution.

The large, readable display and simple user interface make working with this device easy for technicians and engineers in various work environments. This product is ideal for troubleshooting electrical systems, quality control of energy, and monitoring energy consumption in industrial facilities.

Key Features of Extech True RMS AC/DC Clamp Meter Model 380940

  • True RMS measurement for high accuracy in nonlinear loads
  • Simultaneous measurement of power (watts), current (amps), and voltage (volts)
  • High current range up to 400 amps for industrial applications
  • Clamp meter design for safe measurement without circuit interruption
  • Supports AC/DC measurement
  • Large, readable display with backlight capability

Technical Specifications

FeatureValue
Measurement TypeTrue RMS
Power MeasurementYes (Watts)
Current MeasurementUp to 400 Amps
Voltage MeasurementYes (Volts)
Current TypeAC/DC
Type of ToolClamp Meter

Frequently Asked Questions

Is this device suitable for measuring nonlinear loads?

Yes, this device features True RMS measurement capability, making it highly suitable for accurately measuring nonlinear loads and non-sinusoidal signals.

Does it allow simultaneous measurement of power and current?

Yes, the Extech 380940 Clamp Meter can measure and display power, current, and voltage simultaneously.

Is the Extech True RMS AC/DC Clamp Meter Model 380940 suitable for heavy industrial applications?

Yes, with a current range of up to 400 amps and a rugged design, this device is built for heavy industrial applications and power distribution systems.

Conclusion

The Extech 380940 Clamp Meter is an excellent choice for electrical engineers and technicians who require precision and reliability in power and current measurements.

Key features such as True RMS measurement, high current range, and safe clamp meter design make this device an essential tool for troubleshooting and monitoring electrical systems.

If you are looking for a precise and reliable tool for industrial applications, the Extech model 380940 is an ideal option for you.

Pargaran Value Guarantees

  • 100% Genuine OEM equipment & datasheet compliance
  • Official commercial VAT & proforma documentation
  • Free pre-purchase engineering consultation
  • Secure industrial packaging & expedited freight
Extech

Extech

United States

Extech is one of the most reputable international brands in the field of test and measurement equipm...

View All Products from this Brand

Related Products

Pargaran AI Assistant

Online & Ready

Sign In to Pargaran

Enter your mobile number to sign in or create an account.

By continuing, you agree to our Terms & Policies.

Verify Mobile Number

Enter the 5-digit verification code

Shopping Cart ()

Your cart is empty!

Explore our catalog to add industrial products to your cart.

Explore Products
Subtotal:
Total:

Your cart contains items requiring price quotation.