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  • PRODUCTS
    • Turns Ratio for the Field
      • TR-Mark III 250V
      • TR-1
      • TR-1P
      • T-Rex
      • TR-4
      • ST-105
    • Turn Ratios for the Factory
      • TR-Mark III R 250V
      • T-Rex R
    • Ratio and Resistance (TR/WR) Combination
      • Mini-ATOS
    • Winding Resistance for the Field
      • WR14
      • WR50-12
      • WR50-13
    • Winding Resistance for the Factory
      • WR14R
      • WR50-12R
      • WR50-13R
      • WR100-12R
      • WR100-13R
    • Contact Resistance
      • MC2
      • MJ2
      • Kelvin Spike Probe Set
    • Capacitance Power Factor Test Sets
      • CAPO 2.5
      • CAPO 12
    • CT (Current Transformer) Tester
      • CT-T1
    • Automation
      • ATOS
      • MUX R
      • ISU R
    • Retired Products
  • ABOUT US
  • DOWNLOADS
  • SERVICE AND SUPPORT
  • NEWS AND EVENTS
  • NOW HIRING
  • CONTACT US
  • PRODUCTS
    • Turns Ratio for the Field
      • TR-Mark III 250V
      • TR-1
      • TR-1P
      • T-Rex
      • TR-4
      • ST-105
    • Turn Ratios for the Factory
      • TR-Mark III R 250V
      • T-Rex R
    • Ratio and Resistance (TR/WR) Combination
      • Mini-ATOS
    • Winding Resistance for the Field
      • WR14
      • WR50-12
      • WR50-13
    • Winding Resistance for the Factory
      • WR14R
      • WR50-12R
      • WR50-13R
      • WR100-12R
      • WR100-13R
    • Contact Resistance
      • MC2
      • MJ2
      • Kelvin Spike Probe Set
    • Capacitance Power Factor Test Sets
      • CAPO 2.5
      • CAPO 12
    • CT (Current Transformer) Tester
      • CT-T1
    • Automation
      • ATOS
      • MUX R
      • ISU R
    • Retired Products
  • ABOUT US
  • DOWNLOADS
  • SERVICE AND SUPPORT
  • NEWS AND EVENTS
  • NOW HIRING
  • CONTACT US

Raytech is Exhibiting at The IEEE Conference in May 2026

Don’t Miss The 2026 IEEE Conference in Chicago, IL May 4–7 2026 McCormick Place – South Building 2301 S. Lake …

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Raytech will be at PowerTest 2026! Booth # 626

Raytech will be Exhibiting at Power Test 2026 in Nashville, Tennessee March 2-6, 2026! Stop by Booth 626, say hello, …

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Raytech introduces our latest product, mini-ATOS

Experience maximum performance in a mini… Introducing the mini-ATOS WR-TR Combo system, the newest addition in the Raytech line of …

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Raytech introduces our latest product, CAPO 12

Portable – Accurate – Reliable 12 kV Insulation Power Factor Test Set Raytech’s CAPO 12 offers features that allow you …

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Are you Measuring Power Factor with the Latest Technology?

Dr. David A. Wallace, from Mississippi State University, presented his whitepaper, “Voltage Dependence of Dissipation Factor Measurements on High Voltage …

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5-Year Standard Warranty on all Raytech Instruments

Our exclusive 5-year warranty provides value-added benefits to each and every Raytech instrument. Less Repairs – lower overall cost of …

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Thank you for visiting us at the IEEE 2018 PES T&D Conference & Expo

When we get a chance to meet and speak with you, our valued customer, it’s a great opportunity to discuss …

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Raytech to exhibit at NWPPA Engineering & Operations Conference: Apr 10-12, 2018

Raytech USA will exhibit at the NWPPA’s 2018 Engineering & Operations Conference and Trade Show, April 10 – 12, 2018. …

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Powertest 2018 On the Potomac: February 26 – March 2, 2018

February 26 – March 2, 2018 Washington, DC Booth #321 Thank you for joining us in the nation’s capital for …

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Philly is lit up in Eagles Green!

Fly, Eagles, Fly! Congratulations, World Champion Eagles! The Philadelphia Eagles won their first-ever Super Bowl on February 4, 2018 and …

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Categories

  • Events
  • Latest News

Latest Articles

  • 2028 EEE T & D PES Exhibit and Conference July 6, 2026
  • PowerTest 2027 July 6, 2026
  • Raytech is Exhibiting at The IEEE Conference in May 2026 February 12, 2026
  • Raytech will be at PowerTest 2026! Booth # 626 October 21, 2025
  • NETA PowerTest Conference: March 11 – March 15, 2025 August 14, 2024
Raytech USA

Phone: 267-404-2676
Toll Free: 888-484-3779
Technical Support: 267-485-6882
Fax:
267-404-2685

Address: 118 S. 2nd Street, Perkasie, PA 18944


Raytech AG
Phone: +41 56 648 60 10
Fax: +41 56 648 60 10
Email: welcome@raytech.ch
Web: raytech.ch
Oberebenestrasse 11, 5620
Bremgarten, Switzerland

Our Products

Turns Ratio for the Field
Turns Ratio for the Factory
Ratio and Resistance (TR/WR) Combination
Winding Resistance for the Field
Winding Resistance for the Factory
Contact Resistance
Capacitance Power Factor Test Sets
CT (Current Transformer) Tester
Automation
Retired Products

Resources

About Us
Downloads
News and Events
Contact Us

Service and Support

Raytech Service
Frequently Asked Questions
Privacy Policy
Terms and Conditions

Raytech USA
Phone: 267-404-2676 • Toll Free: 888-484-3779
Email: info@raytechusa.com • Fax: 267-404-2685
118 S. 2nd Street, Perkasie, PA 18944


Raytech AG
Phone: +41 56 648 60 10
Fax: +41 56 648 60 10
Email: welcome@raytech.ch
Web: raytech.ch
Oberebenestrasse 11, 5620
Bremgarten, Switzerland


Raytech USA

Phone: 267-404-2676
Toll Free: 888-484-3779
Fax: 267-404-2685

Address: 118 S. 2nd Street, Perkasie, PA 18944



Our Products
Turns Ratio for the Field
Turns Ratio for the Factory
Ratio and Resistance (TR/WR) Combination
Winding Resistance for the Field
Winding Resistance for the Factory
Contact Resistance
Capacitance Power Factor Test Sets
CT (Current Transformer) Tester
Automation
Retired Products
Download Catalog

Resources
About Us
Downloads
News and Events
Contact Us

Service and Support
Raytech Service
Frequently Asked Questions

Our Products
Turns Ratio for the Field
Turns Ratio for the Factory
Ratio and Resistance (TR/WR) Combination
Winding Resistance for the Field
Winding Resistance for the Factory
Contact Resistance
Capacitance Power Factor Test Sets
CT (Current Transformer) Tester
Automation
Retired Products
Download Catalog

Resources
About Us
Downloads
News and Events
Contact Us

Service and Support
Raytech Service
Frequently Asked Questions


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© Copyright 2026 Raytech USA. All rights reserved
Image
Image
NETA Corporate Alliance Partner Logo

© Copyright 2026 Raytech USA. All rights reserved.

  • PRODUCTS
    • Turns Ratio for the Field
      • TR-Mark III 250V
      • TR-1
      • TR-1P
      • T-Rex
      • TR-4
      • ST-105
    • Turn Ratios for the Factory
      • TR-Mark III R 250V
      • T-Rex R
    • Ratio and Resistance (TR/WR) Combination
      • Mini-ATOS
    • Winding Resistance for the Field
      • WR14
      • WR50-12
      • WR50-13
    • Winding Resistance for the Factory
      • WR14R
      • WR50-12R
      • WR50-13R
      • WR100-12R
      • WR100-13R
    • Contact Resistance
      • MC2
      • MJ2
      • Kelvin Spike Probe Set
    • Capacitance Power Factor Test Sets
      • CAPO 2.5
      • CAPO 12
    • CT (Current Transformer) Tester
      • CT-T1
    • Automation
      • ATOS
      • MUX R
      • ISU R
    • Retired Products
  • ABOUT US
  • DOWNLOADS
  • SERVICE AND SUPPORT
  • NEWS AND EVENTS
  • NOW HIRING
  • CONTACT US