hygrometer

• Specification for whirling hygrometer
  旋涡式湿度计规范
• Specification for aspirated hygrometer
  通风湿度表规范
• Mechanical thermo - hygrometers
  机械式温湿度计
• Hygrometer calibration chamber
  湿度表检定箱
• Measurement of air humidity . impedance variation hygrometer capacitive and resistive
  空气湿度的测量.阻抗变化湿渡计
• Precision dew - point hygrometers
  精密露点仪
• Hygrometers - test method
  比重计.试验方法
• Wet and dry bulb hygrometer
  干湿球度计
• Frost point hygrometer
  霜点湿度计表
• Climates and their technical application ; methods of measuring humidity ; hair hygrometer
  气候及其技术应用.湿度测量方法.毛发湿度计