What is the measurement principle and classification of the photoresistance method liquid particle counter?

  Photoresistance method particle counter is a measurement method developed along with cleanliness measurement and pollution degree monitoring. Dust counter; the other is to measure the size and number of particles in the liquid, called the photoresist method liquid particle counter.

  The photoresistance liquid particle counter is mainly composed of a sampling system, a sensitive area, and a counting system. When the particles enter the sensitive area, the optical path is blocked, and the photoelectric intensity change is received by the photoelectric receiver, which is converted into a voltage pulse signal, and the number of particles of different sizes passing through different voltage valves (or pulse height analyzer channels) are recorded respectively.

  According to the measurement purpose of the instrument, it can be divided into the measurement of fixed particles in the oil phase and water phase medium; according to the measurement method of the instrument, it can be divided into three types: fixed particle size file, settable particle size file and non-set particle size file .