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$319.00
SE
CHENCHI ZCA-1 Dirt Count Tester 20W fluorescent lamp
20W fluorescent light source, 60 ° illumination angle, in line with GB/T1541 standard, standard dust picture 0.05-5 (mm ²), the illumination angle can be adjusted.
If you don't know how to choose "Dirt Count Tester", please consult customer service.