4. Test Information
Test Parameters
| Parameters | Actual | Parameters | Actual |
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| Ambient temperature | 25.8℃ | Test Voltage | 230V |
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| Total harmonic distortion | 1.2% | Test Frequency | 50Hz |
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| Test Instrumentations |
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| Test instrumentation | Model name | Manufacture | Expire date of Calibration |
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| Stopwatch | PC80A | Time Art | 15th Sep. 2014 |
| Power meter | PPA2530 | Newtons4th Ltd | 20th Sep. 2014 |
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| Power Supply | 345AMX | PACIFIC | 22th Dec. 2014 |
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Set-up and circuit for electrical testing
4. Reference for test method
-EN 62301 ed. 2.0; Household electrical appliances – Measurement of standby power
-IEC 62323 ed. 1.0; Desktop and notebook computers – Measurement of energy consumption
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-US EPA "Test Method for calculating the Energy efficiency of single voltage External
-ISO 7779 :2010; Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment
-ISO 9296:1988; Acoustics - Declared noise emission values of computer and business equipment
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