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EXTECH 380940NIST Watt Clamp

The Extech 380940-NIST is a versatile digital watt clamp featuring True RMS AC voltage and current measurements, capable of measuring watts up to 240 kW. It includes functions like data hold, max/min recall, and auto zero for DC currents. Designed with a 0.9-inch (23mm) jaw opening, it easily accesses small spaces. The large 4000-count LCD display, 40-segment analog bargraph, and frequency measurement up to 10 kHz make it suitable for various electrical testing tasks. Auto power-off and low battery alerts enhance usability for professional electrical troubleshooting.

Authorized Distributors
Part No:380940-NIST
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:380940-NIST
Stock:0
Inv Date:06-06-2026
Price: Unit price: $449.99
Buy/RFQ:
Part No:380940-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $449.99
Buy/RFQ:
Part No:380940-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $449.99
Buy/RFQ:
Part No:380940-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $585
Buy/RFQ:

EXTECH 380940NIST Watt Clamp Specifications:

  • AC Power Range: 40KW with 10W resolution, accuracy 1.5% + 30
  • DC Power Range: 40KW with 10W resolution, accuracy 1.5% + 30
  • AC Current Range: 0-250A, 0-400A, overload protection up to 600A
  • DC Current Range: 0-400A, overload protection up to 600A
  • AC Voltage Range: 0-600V, accuracy 1.5% + 20
  • DC Voltage Range: 0-400V, accuracy 1.0% + 2
  • Frequency Range: 0.01-10kHz, accuracy 0.8% + 20
  • Dimensions: 7.2 x 2.5 x 1.4 inches (183 x 64 x 36mm)
  • Weight: 6.7 oz (190g) with batteries
  • Features include large LCD display, analog bargraph, data hold, auto zero, auto power off, and low battery indicator.

Buy the Extech Series Watt Clamp: 380940NIST

Purchase the Extech Watt Clamp 380940NIST online today to enhance your electrical testing. Featuring True RMS measurements, a large display, and a compact design, it allows precise watt, current, and voltage readings up to 240 kW. Its 23mm jaw makes accessing tight spaces easy, while functions like data hold, max/min recall, auto zero, and auto power-off ensure efficiency. Perfect for professionals and technicians, this versatile device offers reliable performance for electrical troubleshooting, ensuring accurate measurements in various testing environments.

Order your Extech Series Watt Clamp 380940NIST today and ensure accurate power measurements with reliable features for professional electrical diagnostics.

Frequently Asked Questions

Where can I buy EXTECH 380940NIST?

You can click on the BUY or RFQ button to purchase 380940NIST from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part 380940NIST?

You can download the 380940NIST datasheet or visit the EXTECH website for support.

Who is the manufacturer of 380940NIST?

EXTECH

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