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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

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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Raytech to Exhibit at the IEEE 2018 PES T&D Conference & Expo

April 16-19, 2018 Denver, CO Booth #2334 The most prominent conference and exposition in the power industry. The IEEE PES …

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Raytech will exhibit at NB Power’s SYNC: Jan 9-11, 2018

Raytech USA will be attending and exhibiting at the 2018 SYNC show in Fredericton, New Brunswick, Canada. The show, from …

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T-Base Pro: Free Software to Generate Measurement Reports and More!

Visit the T-Base Pro mini site to download the free software and to learn more about the most powerful and …

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20th Anniversary Year-Long Celebration Event – December

15% Off the CT-T1 CT Test Set! This current transformer test instrument is precision-made and built to stand up to …

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Refurbishing your Kelvin Spike Probes

Did you know your Kelvin Spike Probes can be refurbished? Our probes are designed and manufactured to last a long …

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20th Anniversary Year-Long Celebration Event – November

Free internal printer on the TR-1P for the price of the standard TR-1 Single Phase TTR. That’s over a $350 …

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Raytech’s NETAWorld Fall, 2017 Ad

20th Anniversary Year-Long Celebration Event – October

$500 off the Micro Junior 2 Contact Resistance Meter! This instrument is precision-made and built to stand up to the …

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Raytech’s NETAWorld Summer, 2017 Ad

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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


ImageImageNETA Corporate Alliance Partner Logo
© 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