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CR Magnetics, Inc. Logo
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Phone: 636.343.8518
Fax: 636.343.5119
Email: sales@crmagnetics.com

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Need help placing your order or have a question about an order you placed? You can call us at 636.343.8518.

Our Business Address Is:

CR Magnetics, Inc.
3500 Scarlet Oak Blvd.
Saint Louis, MO 63122

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Application Guides

  • 3 Phase Imbalance and Ground Fault Detection Using the CR7310 Ground Fault Sensor
  • Active Power Measurement with the CR6230-40 Power Transducer
  • Active Power Measurement with the CR6250-60 Power Transducer
  • CR45 as an Open Heater Open Winding Indicator
  • Data Stream ASCII Programming Guide
  • Detecting Open Heaters and Lamps with the CR4395 Current Sense Relay
  • Developing Voltage From 4-20mA Current Loops
  • Field Adjustment of Current Transformer Ratio
  • Low Cost Fan Control with Hysteresis
  • Measuring 3 Phase Currents with the CR4210 Transducer
  • Motor Current Monitor Using the CR4395 Relay
  • Precision Rectifier Circuit for CT Signal Conditioning
  • Selecting ANSI Class Metering Current Transformers
  • Using External Current Transformers with Other Devices
  • Using the CR4220 Series Current Transmitter

Technical References

  • 3 Phase Circuits - Illustration of three-phase voltages and current for Delta and Wye circuits.
  • AC Motor Loads - Table listing electrical operating and full load current at different horse power and voltage levels.
  • An Analysis of Current Transformer Ratio and Phase Angle Error - A technical discussion of the current transformers including equivalent circuits, phasor diagrams and Thevenin equivalents.
  • Current Transformer Ratios - Illustration on methods used to change current transformer ratio.
  • Glossary of Technical Terms - An index of common technical terms used in the electrical instrumentation field.
  • Instrument Transformers - Application Guide - A general application guide that covers most areas of electrical current monitoring using current and voltage transformers.
  • Ohms Law - Illustration of formulas using DC and AC circuit analysis.
  • Calculating Ratio Errors - A technical discussion that describes some basic theory concerning current transformers and the sources of measurement error.
  • Standard US Voltages - Commonly used voltages in United States
  • Text References - Listing of books, standards, articles related to electrical current and power monitoring.
  • World HZ - A listing of voltage, frequencies and types of power used in different countries around the world.
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  • 1-636-343-8518

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