QLYMDDSA Square optical sensor diffuse reflection four wire NPN PNP detection distance 60cm switch(BPM-CD60)

Qlymddsa Women's 10-100Lph 1Pcs 1/4" Liquid Flowmeter Water Flow Meter Square Panel Type Rotameter Lzt-6T 16-160Ml/Min 80-400Ml/Min (10-100Lph)

Qlymddsa Women's 16-160Ml Per Min 1Pcs 1/4" Liquid Flowmeter Water Flow Meter Square Panel Type Rotameter Lzt-6T 16-160Ml/Min 80-400Ml/Min 10-100Lph(16-160Ml Per Min)

Qlymddsa Women's 80-400Ml Per Min 1Pcs 1/4" Liquid Flowmeter Water Flow Meter Square Panel Type Rotameter Lzt-6T 16-160Ml/Min 80-400Ml/Min 10-100Lph(80-400Ml Per Min)

Qlymddsa Women's 6-60Lph 1Pcs 1/4" Liquid Flowmeter Water Flow Meter Square Panel Type Rotameter Lzt-6T 16-160Ml/Min 80-400Ml/Min 10-100Lph(6-60Lph)