Controlled - Beckman Coulter JA-25.50 Instructions For Use Manual

Fixed-angle rotor
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Specifications
34°
r
min
r
av
r
max
1
1.
Axis of Rotation
PN J-TB-056FD
Maximum speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25,000 RPM
b
Critical speed range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 to 800 RPM
Density rating at maximum speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 g/mL
Maximum allowable imbalance of opposing loads . . . . . . . . . . . . . . . . . . . . . . . . 2 grams
c
Relative Centrifugal Field
at maximum speed
At r
(108 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
max
At r
(73.2 mm). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51,200  g
av
At r
(38.5 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27,000  g
min
k factor at maximum speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Conditions requiring speed reductions. . . . . . . . . . . . . . . . . . . . . . . . . . . see
Number of tube cavities (round bottom) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Available bottles and tubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see
Nominal tube dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29  104 mm
Nominal tube capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mL
Nominal rotor capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 mL
Approximate acceleration time to maximum speed (rotor fully loaded)
in an Avanti J centrifuge (to 25,000 RPM) . . . . . . . . . . . . . . . . . . . . . . . 3
in a J2 series centrifuge (to 21,000 RPM . . . . . . . . . . . . . . . . . . . . . . . . 1
Approximate deceleration time from maximum speed
(rotor fully loaded, max. brake)
in an Avanti J centrifuge (from 25,000 RPM) . . . . . . . . . . . . . . . . . . . . 1
in a J2 series centrifuge (from 21,000 RPM) . . . . . . . . . . . . . . . . . . . . . 2
Rotor weight, empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1 kg (17.8 lb)
Rotor weight, maximum sample mass. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.7 kg (19.1 lb)
Rotor material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum
Rotor entry code for microprocessor-controlled J2 series
instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25.5
JA-25.50
Fixed-Angle Rotor
a
75,6000  g
Run Speeds
Table 3
1
/
min
2
3
/
min
4
3
/
min
4
1
/
min
2
1

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