psychrometer 1.Size:220*45 mm 2.Handspike:80 mm 3.Temp range:0-50 C 4.high quality,wholesale price,short lead time,with CE psychrometer1.Size: 220*45 mm2.Handspike: 80 mm3.Temperature range: 0-50 C4.high quality,wholesale price,short lead time,with CE hand psychrometer