Product Parameters Alternating current source SMG7000 Handheld Power Quality Analyzer Accuracy 1. Electric parameter measurement part: Voltage: ± 0.2% Frequency: ± 0.01Hz Current power: ± 0.5% Phase: ± 0.2 2. Power quality parts: Fundamental voltage permissible error 0.5%F.S. Fundamental current allowable error:1%F.S. 3. Fundamental error of measurement of phase differencebetween voltage and current: 0.2 4. Harmonic voltage rate measurement error: 0.1% 5. Contain measurement error of harmonic current: 0.2% 6. Three-phase voltage unbalance error: 0.2% 7. Voltage deviation error: 0.2% 8. Voltage tolerance: 0.2% working temperature:-10 ~ + 40 power supply: AC220V frequency 45Hz-55Hz power consumption: 3VA battery operating time: less than 10 hours insulation: 1) input voltage and current on the chassis of theinsulation resistance: 100M Max. 2) power input terminals for shell under industrialfrequency 1.5KV (RMS) a 1-minute experiment. 9. Volume: 320mmx240mmx130mm 10. Weight: 2.0Kg