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Frequency meter power meter D52-2058 digital display AC voltage ammeter
1.High quality 2.100% Brand new
3.Fast delivery 4.Competetive price
1. Accuracy: 1%±2 words
2.Display Mode: AC voltage and power factor use four red led of 0.31-inch
AC current and power frequency use five red led of 0.31-inch
Active power and electric energy use five green led of 0.31-inch
3.Range: AC voltage : AC 80.0-300.0V/ AC 200.0-450.0V ( You should select the one type of meter in your order ).
AC 0.0-100.0A (when measure signal lower than 100A, the accuracy is 0.01A, when measure
signal higher than 100A, the accuracy is 0.1A, the accuracy auto-change)
Active power: 0.0-30000W ( measure voltage AC 80.0 - 300.0V )
0.0-45000W ( measure voltage AC 200.0 - 450.0V )
Electric energy: 0.000-99999kwh
Power frequency: 45.00-65.00Hz
Power factor: 1.000-0.000
4.Speed: 2 times per second
1.Connect the measuring voltage to the 1 and 2 terminal.
2.Connections of meter with internal current transformer as graph 1. Make the wire through the hole in the meter and the direction chose arbitrarily.
3.Connections of meter with external current transformer as graph 2. Make the wire through the hole in the meter, and connect the two wires of the secondary transformer to the 3 and 4 terminal.
4.When power on, the meter will display the measure result of the AC voltage (V), AC current (A) and active power (W)and the correlative red led will light up.
5.When press the button of SAM CK (on the right of meter) down, the meter will change to display the measure result of power factor (cosΦ), power frequency (Hz) and electric energy (kwh) and the correlative red led will light up.
6.When press the button of SAM CK down again, the meter will display the measure result of the AC voltage, AC current and active power.
7. When power off, the meter can save the value of electric energy and go on cumulating when the meter power-on next time. When the meter is displaying electric energy with green led light up, you can press down the button of SAM CK last for five seconds, then the electric energy will to be zero and restart to cumulate when release the button.
Graph1. Connections of meter with internal current transformer
Graph2. Connections of meter with external current transformer
The meter can only use to measure 50Hz AC city electricity, it will be destroyed when use to measure square wave, output of inverter and correction sine wave.