Urine analyzer or other body fluid medical analyer use stepper motor to move test paper forward/backward, and light source irradiates the test paper at the same time.
The analyzer makes use of light absorption and light reflection.
The reflected light varies with the detected components.
The darker the color, the greater the light absorption, the smaller the light reflection, the smaller the reflectivity, and the higher the concentration of the measured component.
Test paper must be moved with certain speed, thus a linear stepper motor is needed.
Recommended Products: 8mm 3.3VDC mini Slider linear stepper motor of camera lens motor
Post time: Dec-19-2022