Digital True RMS Wattmeter
Class 0.2 true RMS digital wattmeter for low and unity power factor loads, with programmable CT ratio.
Knowledgebase
Articles
Connection Diagram: Wiring a Digital Wattmeter
How to connect the current and voltage circuits of a single-phase wattmeter, with and without a CT.
Meaning of Auxiliary Supply
What the auxiliary supply is, why many meters have one, and how it differs from the measured input.
How Much Overvoltage and Overcurrent Can the Unit Endure?
Understanding continuous overload, short-time overload and inrush ratings, with a sample table.
Wiring Diagrams Explained
For information we have added some content for – 1- Voltage Measurement 2- Current Measurement Different type of connections are used for measurement of...
Source Load Connection
Source Load Connection The source load connection is easy to do. On one side power source is connected and another side load is connected. All the measurement...
Separate Voltage and Current Connections
Separate Voltage and Current Connection As we described in voltage measurement and current measurement to measure current, the wire is gone through the meter...
Current Measurement
Current Measurement Current can be measured by adding a ammeter in path of electrical circuit. In above example to measure current we have cut the wire and...
Voltage Measurement
Voltage Measurement To measure voltage across any load,first connect the probes of multimeter to the voltage terminal as shown in right image.Then connect the...