DROK 200082 PC Volume Control Knob, USB Volume Adjuster Knobs Audio Sound Controller for Adjusting Volume of Computer, No Loss of Sound Quality with 4.6 Feet Cable

Parameters Display Mode: AC voltage and power factor use 4 digits 0.31-inch red led digital tube, AC current and accumulation time use five red l5 digits 0.31-inch red led digital tube, Active power, energy use five digits 0.31-inch green led digital tube Measuring Accuracy: 1% +/- 2 digits Measuring Voltage Range: AC80.0-300.0V Measuring Current Range: AC0-100A Measuring Power Range: 0.0-3000W Measuring Energy Range: 0.000-99999kwh Time Accumulation: 0.00- 999.59h Power Factor: 1.000-0.000 Measuring Speed: 2 times/second Dimension: 54*80*64mm Installation Width: =3P Prominent Part Size: 54*45**16mm Installation Method: DIN rail (commonly used DIN rail) Note: Built-in Transformer The wire for measuring return circuit cross over the right hole of the meter. (The hole’s diameter is 11mm, standard copper wire of max 12mm diameter can pass through it and can meet load current max 100A). Extremely Operating Condition: Operating Temperature: -10?+60? Operating Humidity: 10?80% (No condensation) Operating Pressure: 80?106kPa Sunlight Exposure: No direct exposure Package includes: 1 x Digital Multi-functional Meter