Skip to Main Content
  • Instrumart
Instrumart logo
  • Products
  • Brands
  • Applications
  • Lab
  • Blog
  • Account
  • Email Us
  • 1-800-884-4967
  • What can we help you find?

    Can’t find what you’re looking for? Contact one of our engineers today. We’re open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
    • 1-800-884-4967
    • Email Us
    • Live Chat
  1. Electrical Testers
  2. Phase Rotation Testers

Extech 380974 AC Clamp Meter and Phase Rotation Tester

1000A rated clamp tester including a built-in phase rotation tester.

Extech 380974 AC Clamp Meter and Phase Rotation Tester
Extech 380974 1000A AC Clamp & Phase Rotation Tester
Retired products cannot be ordered
The Extech 380976 is the recommended replacement

View Company Reviewsby Trustpilot
Manufactured
  • By Extech
Includes
  • FREE Ground Shipping on orders of $1,000 or more
  • FREE Lifetime Tech Support
Questions?
Call 1-800-884-4967 or email sales@instrumart.com. Open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
Trustpilot

Overview

Features

  • 4000 count LCD with 40-segment bargraph
  • Clamp jaws open to 1.6" (40mm)
  • L1, L2, L3 (R,S,T) Phase Rotation Test with LCD status indication
  • Measure AC Voltage to 600V and AC Current to 1000A
  • AC measurements over wide (40 to 400Hz) frequency range
  • Functions include Resistance, Capacitance, and Frequency
  • ±1.2% basic ACV accuracy
  • Diode test and audible Continuity
  • Peak Hold for in-rush Currents
  • Data Hold and Auto Power off
  • Overload Protection to 1100A and 600Vrms
  • Overrange and low battery indication

Description

The 1000A Extech 380974 AC clamp meter and phase rotation tester is ideal for industrial and plant maintenance applications where motors are frequently checked and replaced. The phase rotation function identifies phase sequence for 3 phase motor installations. You also have the ability to measure AC voltage to 600V and AC current to 1000A, accurate to within ± 2%.

The Extech 380974 AC clamp meter and phase rotation tester features a large display with 40 segment bargraph, along with peak hold for in-rush currents. Ruggedly constructed, the handheld Extech 380974 AC clamp meter and phase rotation tester weighs only 13 oz. and has jaws that open to 1.6" (40mm).

The Extech 380974 AC clamp meter and phase rotation tester comes complete with test leads, 9V battery, and convenient carrying case.

Documents

Documents

  • Extech 380974 AC Clamp Meter and Phase Rotation Tester Data Sheet PDF (230 KB)
  • Extech 380974 AC Clamp Meter and Phase Rotation Tester Manual PDF (566 KB)
  • All possible part numbers

Accessories

Extech TL803 Standard Test Leads
Extech TL803 Standard Test Leads

Standard replacement test leads, compatible with most multimeters.

Mfg. has stock
$10.99
Extech TL805 Double Injected Test Leads
Extech TL805 Double Injected Test Leads

Professional grade, double coated PVC lead wires.

$16.99
Extech Alligator Clips
Extech Alligator Clips

CAT III-1000V rated alligator clips.

$13.19
Extech TL808 Professional Test Lead Kit
Extech TL808 Professional Test Lead Kit

8-piece professional test lead kit with CATIII-1000V safety rating.

$33.99
Extech TL810 Electrical Test Lead Kit
Extech TL810 Electrical Test Lead Kit

8-piece, versatile, CAT III-1000V rated testing kit.

$53.99
Extech Soft Vinyl Carrying Cases
Extech Soft Vinyl Carrying Cases

Protect and store your multimeters and accessories in a soft vinyl carrying case.

Starting at $9.99

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
David S. headshot David S.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
David S. headshot David S.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart

Recently Viewed

Extech 380974 AC Clamp Meter and Phase Rotation Tester
Extech 380974 AC Clamp Meter and Phase Rotation Tester
United States Canada Mexico
Shop
Products
Brands
Applications
Support
Customer Service
Ask a Question
Live Chat
Track Order
Fraud Prevention
Financing
Our Company
Blog
About Us
Contact Us
Jobs
Travel Information
Our Team
Privacy Policy
Accessibility Statement
Connect
1-800-884-4967
sales@instrumart.com
Instrumart
35 Green Mountain Dr
S Burlington, VT 05403 US
Mo-Th 8:00am to 5:30pm ET
Fr 8:00am to 5:00pm ET
Join Us on Facebook
Follow Us on X

Instrumart is a member of a family of industrial stores

Instrumart Compressor World Pump World BioPharm World Filtration World Motion World Qualitrol Engineered Solutions Wholesale Air Pipe
© Instrumart 2025

Family of Industrial Stores

Welcome to our family of stores, your go-to source for a wide selection of commercial and industrial products in the flow control and automation sectors. Each store features a curated range of specialized industrial solutions, with many items designed to complement each other, ensuring you can find everything you need for your specific application. Explore the stores below to discover our extensive product offerings for your business needs.

  • Instrumart

    Shop Industrial and Laboratory Instruments.

    Shop Now!
  • Compressor World

    Shop Compressed Air Equipment.

    Shop Now!
  • Pump World

    Shop Industrial, Water, and Waste Water Pumps.

    Shop Now!
  • BioPharm World

    Shop Sanitary Process Solutions and Products.

    Shop Now!
  • Filtration World

    Shop Industrial Filters.

    Shop Now!
  • Motion World

    Shop Motion Control and Process Automation Systems.

    Shop Now!
  • Qualitrol

    Shop Remanufactured or Repair Automation Products.

    Shop Now!
  • Engineered Solutions

    Shop Custom Engineered and Manufactured Systems.

    Shop Now!
  • Wholesale Air Pipe

    Shop Air Piping.

    Shop Now!