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BN II System

Confidence in plasma protein results

Measuring principle Nephelometry; measurement of the scattered light intensity in a fixed angle of 13 - 24 degrees
Methods More than 60 programmed assay protocols
Sample throughput Effective: Approx. 130 tests/hour depending on the assay mix
Nominal: 225 tests/hour
Analysis method Fixed-time kinetics, end-point measurement, VLin Integral
Calibration Multi-point calibration
Rack transport unit Racks for up to 8 standard or control vials
Racks for up to 7 reagent vials
Racks for up to 10 sample tubes
Dilution unit 2 frames for max. 264 dilution cups
Size of sample tubes Diameter: 12 - 16 mm
Height: 55 - 100 mm
For pediatric samples:
conical microtubes with a maximum filling volume of 1.5 mL
Barcode types Automatic reading of different barcode types:
2/5 interleaved
Codabar
Code 39
Code 93
Code 128
UPC
EAN
Reagent volume 40 µL reagent consumption on average
Sample dilution 1 : 1 to 1 : 40,000
Level detection For samples, standards, controls, reagents, and system liquid containers
Reaction cuvettes 60 reusable cuvettes
Measuring temperature 37 ± 1.5°C
Light source Infrared high performance LED
Wavelength 840 ± 25 nm
Detector Photodiode with integrated pre-amplifier
Instrument weight and dimensions Analyzer dimension (width x height with tubings x depth)
124.5 cm x 91.4 cm x 63.5 cm (49 in. x 36 in. x 25 in.)
Computer dimensions (width x height x depth)
35.6 cm x 50.8 cm x 55.9 cm (14 in. x 20 in. x 22 in.)
Depth with keyboard is 73.7 cm (29 in.)
Printer dimensions (width x height x depth) 
40.6 cm x 266 cm x 36.8 cm (16 in. x 10.5 in. x 14.5 in.) 
Total bench length 
226.1 cm (89 in.) 
Weight 
Analyzer: 150 kg (330 lbs.) 
Terminal: 6.4 kg (14.08 lbs.)
Room environment Ambient temperature 
15 to 32 °C (59 to 89 °F) 
Relative humidity 
Maintain between 30% and 85% (noncondensing) 
Average thermal output 
340 BTU/hr (100 W) in standby mode 
975 BTU/hr (286 W) in operating mode 
Water requirements 
Deionized water, NCClS Type 2 
Microbial count must not exceed 100 CFU/ml 
Electrical installation requirements Voltage 
100 to 127 V/50 or 60 Hz 
187 to 240 V/50 or 60 H. 
Power consumption 
<140 VA (stand-by-mode) 
<400 VA (operating mode) 
Host interfacing 
Download and host-query mode 
Computer and Printer Terminal 
Macintosh PC 
Printer 
Lexmark E260 D or DN or equivalent

The products/features (mentioned herein) are not commercially available in all countries. Due to regulatory reasons their future availability cannot be guaranteed. Please contact your local Siemens organization for further details.

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