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KUBOTA's plant in Fujioka has become ISO9001 certified since 1996.
Specifications for the 8420 model
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Maximum speed 6,000rpm
Maximum RCF 4,830xg
Maximum capacity 3,000mL
Control system Imverter Microprocessor control, Speed, RCF, Time, Acceleration/Deceleration, 5channel memories
Alarm Display Lid open, Imbalance, Over speed, Rotor set state, Function for detecting an occurrence of electrical abnormality in motor, inverter, lid interlock, speed sensor.
Acceleration/Deceleration Three level selectors; Rapid, Slow and Super Slow
Speed setting From 200 to 6,000rpm, 10rpm increments
Speed indication Digital display, From 0 to 6,400rpm, 10rpm incremnts
RCF setting From 10 to 4,830xg, 10xg increments
RCF indication Digital display, From 0 to 5,550xg, 10xg increments
(the accutual centrifugal force differs by the rotor)
Timer setting and indication
Digital display, with Hold and Electric buzzer
from 1 sec. to 100sec., in 1 sec. increments setting and indication.
from 10 sec. to 990 sec., in 10 sec. increments setting and 1 sec. increments indication
from 1 min. to 90 min., in 100 min. increment setting and indication.
from 10 min. to 990 min., in 10 min. increments setting and 1 min. increments indication.
Power requirements Single phase AC110/115V±10%, 50/60Hz, 15A
Single phase AC220/230V±10%, 50/60Hz, 8A
Rated voltage and Rated current 110/115V, 9.5A
220/230V, 4.7A
Power consumption and heat output 110/115V, 640W, 2.3MJ/h
220/230V, 750W, 2.7MJ/h
Dimensions (WxDxH) and Weight 530(W) x 620(D) x 370(H)mm, 60kg

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