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1.     Dual LED four digits display 2.     Counting range”-1999~9999.setting range 1-9999 3.     Dry contact input,NPN transistor input,Quadrature 90oinput

3-channels count output  Sp1 normal count output/BA1 batch count output/SU1 totalize countr output

MF33 is three digits display temperature and humidity controller, 1% accuracy for temperature, 5% accuracy for humidity