Scilogex DM1424 Hematocrit-Centrifuge - Manual (Page 22)

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11.2.4 Conditions and life expectancy of tubes
The life expectancy of plastic tubes depends on the characteristics of samples, speed of the rotor used,
temperature applied and so on. When the plastic tubes are used for ordinary aqueous samples (pH between
5.0 and 9.0), their life expectancies are defined as follows.
Be operated at the maximum speed:
High quality tubes (PA、PC、PP): 30-50 operations
Ordinary tubes(PA、PC、PP): around 10 operations（Using in low speed can extend the tube life）.
Life expectancy of tubes also depends on the pretreatment conditions such as cleaning and sterilization,
lifetime can be cut down.
Notice: Do not use damaged or cracked tubes.
12. Calculate RCF
An RCF can be determined with the following calculation formula.
RCF=1.118×r×n 2 ×10 -5
r—rotating radius, unit: cm; n—rotating speed, unit: rpm
13. Ordering information
Cat. No. Model Descriptions
912025539999 DM1424
Hematocrit Centrifuge ， with AC24P rotor kits, US plug,
110-120V, 50Hz/60Hz
912125529999 DM1424
Hematocrit Centrifuge ， with AC24P rotor kits, Cn plug,
220-240V, 50Hz/60Hz
912225529999 DM1424
Hematocrit Centrifuge，with AC24P rotor kits, Euro plug ,
220-240V, 50Hz/60Hz
912325529999 DM1424
Hematocrit Centrifuge ， with AC24P rotor kits, UK plug,
220-240V, 50Hz/60Hz
Accessories
19400015 AC24P
Hematocrit rotor kits with a lid and a reading disk, 12000rpm,
24 x capillary tubes, used with DM1424
19400013 A24-2P
Plastic rotor kits with lid, fixing clips and O'ring, 14000rpm,
2ml/1.5ml*24, used with DM1424
19500001 A02P2
2ml to 0.2ml rotor adapter, used with A12-2, A12-2P, AS24-2
and A24-2P rotors，24pcs/pk
19500002 A05P2
2ml to 0.5ml rotor adapter, used with A12-2, A12-2P,
AS24-2 and A24-2P rotors，24pcs/pk