Used laboratory overhead stirrer from Gerhardt, type RA 20.
Technical specifications: 220 V, 50 Hz, 0,3 A, 70 W. Timer: 120 minutes. Speed: 12 levels, up to 20 rpm.
Dimensions bottles (ø)x(H): maximum 12 x 37 cm. Housing (D)x(H)x(W): 46 x 64,7 x 65,5 cm.
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Gerhardt RA20 Overhead stirrer
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