DJY-218A: 1product 1nozzle 2displays 1pump 1flow meterTechnical index and parameter:Ambient temperature: -40~+55℃Humidity: 30~90%Max flow: 50L/minAccuracy: ±0.3%Repeating error: ≤0.15%Inlet pressure: ≥54kPaOutlet pressure: ≤0.3MPaPower: 380V 50Hz (220V to be optional)Noise: ≤80dB (A class)Unit price range: 0.01~99.99Single volume range: 0.01~9999.99Accumulative volume range: 0.01~999999999.99Explosion-proof certificate: CE011195Explosion-proof sign: Exdm II AT3