... used in agriculture, bio-engineering, food, chemical industy, pharmacy, clinical medicine, blood bank, inspection and quarantine, disease control, environment protection and ... Speed accuracy± 20 r/minTemp accuracy± 1°CTemp range -20 °C ~ 40°CTimer range 1~9H59minNoise≤ 60dB(A)Power AC 220V ... and manufacture institutions. refrigerated centrifuge, high speed centrifuge, clinical medicine centrifuge