Accuracy: ± 0.3% Frequency: 50HZ± 1HZ Delivery Rate: 5-50L/min Rating Power: 0.75KW Measurbale Minimum: 5L Ambient Humidity: 30% - 90% Nosie: ≤ 80dB(A) Ambient Temperature: -40 - +60 ¡ æ Inlet Vacuum: ≤ 0.06MPa Register Range: 0.00-9800.00L or Yuan Totalizer Range: 0.00 - 99999999999.99L or Yuan Range of Price: 0.01 -99.99Yuan/L Preset Min Value: 0.00 - 0.99L Power Supply: AC380 V± 20% or AC220V± 20%