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一、医用超声雾化器计量特性1.超声振荡频率:小于10%。2.最大雾化率:小于10%。3.雾化器水槽内温度:小于60℃。4.噪声:小于50d B。5.定时误差:不大于10%。二、校准条件1.环境条件(1)室内应清洁无尘、防震,空气中不得含有酸、盐等腐蚀性气体。(2)仪器应平稳置于工作台上,周围无强烈机械震动和电磁干扰,避免强光直接照射,仪器接地良好。(3)温度:10℃~40℃,相对湿度:35%~80%。2.校准用标准器及其他设备(1)示波器:时基误差小于3%mg。
First, the medical ultrasonic atomizer measurement characteristics 1 ultrasonic oscillation frequency: less than 10%. 2. Maximum atomization rate: less than 10%. 3. Atomizer tank temperature: less than 60 ℃. 4. Noise: less than 50d B. 5. Timing error: not more than 10%. Second, the calibration conditions 1. Environmental conditions (1) The interior should be clean and dust-free, shockproof, the air may not contain acid, salt and other corrosive gases. (2) The instrument should be placed on the workbench steadily without strong mechanical vibration and electromagnetic interference around to avoid direct light irradiation, good grounding of the instrument. (3) Temperature: 10 ℃ ~ 40 ℃, relative humidity: 35% ~ 80%. 2. Calibration standards and other equipment (1) oscilloscope: time base error is less than 3% mg.