Beckman Coulter, Inc.

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  LH 750 Specifications
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Available Parameters

The system determines these hematologic parameters of whole-blood specimens:

WBC White Blood Cell or leukocyte count
RBC Red Blood Cell or erythrocyte count
Hgb Hemoglobin concentration
MO% Monocyte percent
Retic # Reticulocyte number
Retic % Reticulocyte percent
*MSCV Mean Sphered Cell Volume
NE# Neutrophil number
EO#  Eosinophil number
Plt Platelet or thrombocyte count
NE% Neutrophil percent
EO% Eosinophil percent
IRF Immature Reticulocyte Fraction
MPV Mean Platelet (thrombocyte) Volume  
LY# Lymphocyte number
LY% Lymphocyte percent
MO# Monocyte number
BA# Basophil number
BA% Basophil percent
MCV Mean Corpuscular (erythrocyte) Volume
MCH Mean Corpuscular (erythrocyte) Hemoglobin
MCHC Mean Corpuscular (erythrocyte) Hemoglobin Concentration
RDW  Red Cell (erythrocyte volume) Distribution Width
MRV Mean Reticulocyte Volume
*HLR# High Light Scatter reticulocyte number
*HLR% High Light Scatter reticulocyte percent
*PCT Platelecrit
*PDW Platelet Distribution Width
NRBC% Nucleated Red Blood Cell percent
NRBC# Nucleated Red Blood Cell number
MPV Mean Platelet (thrombocyte) Volume
*For Research Use Only. Not For Use In Diagnostic Procedures.
Unless otherwise stated, all parameter results are shown in a US unit format throughout the manuals.


 
 
LH 750 Throughput LH755 Throughput Sample Requirements
Mode Sample/Hr Mode Sample/Hr  
CBC Only 110 CBC Only 105 Max. 300 µL Automatic Mode
CBC/Diff 110 CBC/Diff 100 Max. 550 µL Automatic Mode w/SlideMaker
CBC/Diff/Retic 45 CBC/Diff/Retic 45 Max. 200 µL Manual Mode

LH 750 Workstation
Minimum Specifications 256MB RAM 17" Flat Screen Monitor
Microsoft® Windows 2000 Operating System 20GB Hard Drive Tower configuration computer
Preemptive Multitasking CD-ROM/DVD Player Optical Mouse
1GHz Processor Data/Fax Modem  
 

Improved Linearity/Operating Ranges

Parameters Linearity Range  Operating Range
WBC 0.00 to 400.00 x 103 cells/µL 0.00 to 900.00 x 103 cells/µL
RBC 0.00 to 8.00 x 106 cells/µL 0.00 to 20.00 x 106 cells/µL
Hgb 0.0 to 25.0 g/dL 0.0 to 99.9 g/dL
Plt 0 to 3000 x 103 cells/µL 0 to 5000 x 103 cells/µL
NE#, LY# 0 to 100 x 103 cells/µL 0 to 500 x 103 cells/µL
MO#, EO#    
BA#    
RET% 0 to 30% 0.0 to 100.0%
RET# 0.0 to 0.750 x 106 cells/µL 0.0 to 999.9 x 106 cells/µL
 

Precision

Parameters Limits Parameters Limits
WBC at 9 to 11 x 103 cells/µL £ 1.7% CV NE% at 50 to 60% 2SD £ 3.0
RBC at 4.5 to 5.5 x 106 cells/µL £ 0.8% CV LY% at 25 to 35% 2SD £ 3.0
Hgb at 14 to 16 g/dL £ 0.8% CV MO% at 5 to 10% 2SD £ 2.0
MCV at 80 to 90 fL £ 0.8% CV EO% at 2 to 5% 2SD £ 1.0
RDW at 12 to 14% £ 2.2% CV BA% at 0.5 to 1.5% 2SD £ 1.0
Plt at 280 to 320 x 103 cells/µL £ 3.3% CV RET% at 0.0 to 0.49% 16.5% CV or 1SD £ 0.23
Plt at 90 to 110 x 103 cells/µL £ 6.6% CV RET% at 0.5 to 1.49% 14.5% CV or 1SD £ 0.23
Plt at 10.0 to 15.0 x 103 cells/µL £ 14.0% CV RET% at 1.5 to 4.0% 11.0% CV or 1SD £ 0.68
MPV at 8 to 10 fL £ 2.2% CV RET% at 4.01 to 15.0% 5.5% CV or 1SD £ 0.68

Dimensions

Component

 Height Width Depth

Weight
Analyzer 35 in 40 in 24 in 205 lbs
  88.9 cm 101.6 cm 61 cm 93.2 Kg
Diluter 20 in 39 in 22 in 120 lbs
  50.8 cm 99.1 cm 55.9 cm 54.4 Kg
Power Supply 25 in 15 in 26 in 125 lbs
  63.5 cm 38.1 cm 66.0 cm 56.7 Kg
Slide Maker 19.75 in 29.5 in 27 in 90 lbs
  50.2 cm 74.9 cm 68.6 cm 40.9 Kg
Slide Stainer 19.75 in 23.75 in 30 in 80 lbs
  50.2 cm 60.3 cm 76.2 cm 36.4 Kg

*For research use only. Not for use in diagnostic procedures. Microsoft® Windows® and Windows® NT are trademarks of Microsoft Corporation. NT is a trademark of Northern Telecom, Inc.

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