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Drew Scientific 2280 Fully Automated CBC System uses multi dimensional optical scattering using a stable laser diode light source to optimize the measurement of WBC differential. Electrical resistance is also used for counting (WBC, RBC, Plt) and sizing (Plt, RBC). This is combined with optical absorbance of cyanmethemoglobin for hemoglobin measurement (there is also an optional cyanide free reagent)
The technology used combines to give a full CBC with 5 part differential in under one minute.
The Drew Scientific 2280 Fully Automated CBC System aslo displays: 2 x WBC scattergrams, Plt histogram, RBC histogram.
The Drew Scientific 2280 Fully Automated CBC System has a throughput of a minimum 80 samples per hour in direct sampling model.
| Sensors | |
| Laser diode illuminated flow cytometer with three, solid state sensors and one PMT tube for WBC differential | |
| WBC aperture | |
| 100 um diameter x 75um length | |
| RBC/Pit aperture | |
| 78um diameter x 55um length The Plt/RBC channel features the patented "von Behrens" Silencer which eliminates RBC recirculation that interferes with low Plt counts in conventional aperture designs. | |
| Dimensions (analyzer) | |
| 41.0 cm (16.5 in) Height x 58.0 cm (22.8 in) Width x 58.0 cm (22.9 in) Depth | |
| System weight | |
| 325 Kg (72 lb) | |
| Display | |
| Windows XP interface | |
| Power | |
| The system works on 90 to 250 VAC 47 to 63 Hz, with no manual adjustment required. | |
| Operating conditions | |
| The 2280 can work in wide range of working environments with a temperature range of 15C to 32C (60F to 90F) and relative humidity of 10% to 90% noncondensing. | |
| Ports | |
| Two RS232 serial ports and one parallel printer port (Centronics) | |
| Printer | |
| Windows XP supported, color or B/W printer can be used. | |
| Sample Handling | |
| Blood samples must be collected into EDTA tubes. Depending on how the 2280 is operated, the system requires: | |
| Direct mode | 180uL whole blood |
| Sample saver mode | 80uL whole blood |
| Automatic sampler** | 180 uL whole blood |
| Parameters | WBC, Lymp#, Neut#, Mono#, Eos#, Baso#, Lymp%, Neut%, Mono%, Eos%, Baso%, RBC, Hgb, Hct, MCV, MCH, MCHC, RDW, Plt, MPV, pct*, PDW* |