NUOVA FIMA气体压力式温度计,利用气体在温度变化时体积的变化,特别是惰性气体的成比例的体积变化.可以适应从-200到+600度的温度变化因而特别适宜高温或低温的测量.气体压力式温度计的主要优点为:1.相对机械式温度... ...
They are used to control the electrical operation of compressors,pumps,presses,hydraulic and pneumatics equipment,chemical and petrochemical plant.The contacts open or close the circuit depending ... ...
These instruments are designed for use in food,beverage,pharmaceutical,chemical,petrol chemical processing industries.They are built to resist the most severe operating conditions created by the e... ...