CR Magnetics, Inc.

- CR Magnetics is a leading supplier of Electrical Instrumentation Products including Current, Voltage, Power, Frequency, Sensors and Components. Our Products are recognized worldwide and are used in all industries, including Automation, Utilities, OEM products and Industrial Controls. More...

You will find that our products will enhance your sensing applications with easy installations, built RoHS compliant and quick turnaround. We are committed to quality, reliability and offer technical support as we modify standard parts and introduce custom products for OEM applications. Less...

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Digi-Key’s library of more than 1700 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.

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CR4100 Series True RMS AC Current Transducers - CR Magnetics' CR4100 Series True RMS Current Transducers and Transmitters are designed for applications where AC current waveforms are not purely sinusoidal. More precise and accurate than other transducers, these devices are ideal in chopped wave and phase fired control systems. More...

CRD5100 Series RS485 Digital Transducer - CR Magnetics' CRD5100 Series Data Stream Digital Transducers are designed for complete monitoring of electrical power systems. The digital technology is used to measure voltage, current, power frequency and energy in single and three phase designs. The data is streamed over an RS485 IEEE bus which enables multiple transducers to communicate thru a single master connection. These advanced sensors are ideal for entire plant or zone monitoring. Also, the communication algorithm can be pre-ordered with ASCII based control or modified MODBUS based control. More...

Product Information

3 Phase Circuits and Load Calculations
3 Phase Imbalance/Ground Fault Detection Using the CR7310 Ground Fault Sensor
AC Motor Load Chart
Active Power Measurement with the CR6230/40 Power Transducer
Active Power Measurement with the CR6250/60 Power Transducer
Application Guide
Calculating Ratio Errors
CR45 as an Open Heater/Open Winding Indicator
Detecting Open Heaters and Lamps with the CR4395 Current Sense Relay
Developing Voltage From 4-20mA Current Loops
Field Adjustment of Current Transformer Ratio
Selecting ANSI Class Metering Current Transformers
Technical Reference
Using External Current Transformers with Other CR Devices
Using the CR4220/60 Series Current Transmitter
Wastewater System Monitoring using Voltage, Current, Power, Energy, and Frequency

More about CR Magnetics, Inc.

CR Magnetics, Inc. has been in operation since 1986, and is centrally located in St. Louis, Missouri, where we maintain a 40,000 square foot manufacturing facility and warehouse. CR Magnetics philosophy is to provide a complete line of products and components that enables our customer to solve the challenges they face in an ever changing competitive environment. With rising energy costs and shrinking margins maintaining efficiencies of operations, processes and capital equipment is of utmost concern to today’s industrial and Equipment Engineer. While we strive to provide the most cost effective and sophisticated products available, we also provide expert engineering assistance when our customers are working on tough applications. CR Magnetics is a leading supplier of Electrical Instrumentation products including Current, Voltage, Power, Energy and Frequency Sensors and components. Our products are used in all industries, including Automation, Utilities, OEM, products and Industrial Controls.

CR Magnetics, Inc. Sensor Solutions