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Introduction [A]
3

About Us
4

Electrical Monitoring Products
5

Selection Guide
6

Data Stream [B]
11

Transducers [C]
27

Relays and Switches [D]
59

Indicators and Displays [E]
77

Current Transformers [F]
87

Potential Transformers [G]
121

Applications [H]
131

Developing voltages from 4 to 20 mA Current Loops
133

Using the CR4210/11 Self Powered Current Transducer
134

Measuring 3 Phase Currents with the CR4210/11 Transducer
135

Using the CR4220/60 Loop Powered Current Transducer
136

3 Phase 3 Wire Active Power Measurement using the CR6230/40 Power Transducer
137

3 Phase 4 Wire Active Power Measurement using the CR6250/60 Power Transducer
138

Motor Current Monitoring using the CR4395 Current Sensing Relay
139

Detecting Open Heaters and Lamps using the CR4395 Current Sensing Relay
140

3 Phase Imbalance and Ground Fault Detection using the CR7310 Ground Fault Sensor
141

The CR45 as an Open Heater/Open Winding Indicator
142

Field Adjustment of Current Transformer Ratio
143

Selecting Revenue ANSI Class Metering Current Transformers
144

Using Auxiliary Current Transformers with Other CR Devices
145

Precision Rectifier Circuit for Current Transformer Signal Conditioning
146

Low Cost Fan Control with Hysteresis
147

Index of Common Terms used in the Electrical Measurement Industry
148

Users Guide Concerning Errors in CT Ratio
152

Table Listing Electrical Operating and Full Load Current of various HP Motors
154

Commonly Used Voltages and Power Supplies for the United States
154

Illustration of 3 Phase Circuits with Loads and Currents Calculated
155

Flow/Wave Soldering Specification
156

Ohm’s Law for DC and AC Circuits
157