Q1: How to use the handheld particle counter?
A1: The particle counter is simple to use, first determine the number of test points according to the area of the clean room and distribute the test points evenly in the clean room, then set the measurement time, measurement unit, flow rate, and other parameters of the particle counter, then put the particle counter on the plane of 1~1.2 meters height from the ground in the middle of the sampling point, and finally start to test the sampling and record the data one by one.
Q2: How to change the printing paper of the particle counter?
A2: Generally, the printing part of the particle counter has a cover, some covers can be lifted directly to cover, lift it to replace the printing paper, and some need to use a screwdriver to unscrew the screw, the specific instructions are also introduced, open the cover to follow the thermal printing paper can be replaced.
Q3: How to read the dust particle counter?
A3: The results of the dust particle counter, generally the left column is the particle diameter, and the right column is the number of particles per cubic meter.
Tips: What does a dust particle counter consist of?
The dust particle counter is mainly composed of five parts: a light source, two sets of lenses, a measuring chamber, a light detector, and an amplification circuit. Among them, the light source affects the performance of the counter and is one of its key components, which needs to meet the characteristics of long life, high stability, and not easy to be disturbed by outside. Two sets of lenses are used to complete the function of focusing, one set is used to focus the light from the light source, and one set is used to focus the scattered light generated by the scattering phenomenon. The measuring chamber is used to make the air particles scatter under the light. The light detector is used to convert the light pulse signal into an electrical pulse signal. The amplifier circuit is used to amplify the weak electrical signal and select the pulse signal to meet the requirements.