Specifications ESR plastic tube rack Advantage Gongdong ESR detector have a particular organic glass structure that make the ESR tubes fixed ESR tube rack Condition. Within 6 hours to finish the testing lab temperature 8 to 25 Instruction 1 put the ESR detector on the level place 2 using the ESR tube to collect the blood and mixing well 3 put the tube upright on the ESR detector The tube blue graduation line frush with rack top 4 wait 60 mins then read the data taht the level of blood go down ESR plastic tube rack Advantage Gongdong ESR detector have a particular organic glass structure that make the ESR tubes fixed fast and simply, promise it the perpendicular degree of the level direction and can conveniently adjust the horizon of ESR tubes samples Item No. SpecificationQuantity (Pcs)Measurement (cm) H1020ESR Rack1035× 23× 20 23× 20es; 20 23× 20