ONETESTINC has developed an air positive and negative ion sensor.
ONETESTINC has developed an air positive and negative ion sensor. The sensor uses two cylindrical capacitive collectors, the length of the collecting rod is 140mm, and the radius of the outer cylinder is 17mm. Different polarization voltages can be applied to measure air positive and negative ions with different migration. At the same time, a high-performance sampling fan is used, and a stable flow rate is an important indicator for calculating the ion concentration. ONETESTINC has designed 3 ranges for this sensor, the highest measurement range is 200 million ions/cm3, and the range is automatically switched. The sensor is mainly used in ion concentration measurement of plasma generator and its equipment, atmospheric positive and negative ion measurement, research and production of positive and negative ions, etc. ONETESTINC is currently one of the three drafting units for air ion detector standards.
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