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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
  • Turns Ratio for the Field

    Turns Ratio for the Field (6)

  • Turns Ratio for the Factory

    Turns Ratio for the Factory (2)

  • Ratio and Resistance (TR/WR) Combination

    Ratio and Resistance (TR/WR) Combination (1)

  • Winding Resistance for the Field

    Winding Resistance for the Field (3)

  • Winding Resistance for the Factory

    Winding Resistance for the Factory (5)

  • Contact Resistance

    Contact Resistance (3)

  • Capacitance Power Factor Test Sets

    Capacitance Power Factor Test Sets (2)

  • Current Transformer Tester

    Current Transformer Tester (1)

  • Automation

    Automation (3)

  • Retired Products

    Retired Products (7)

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 2025 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
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Contact Us
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