Specification for the Zetasizer Lab Red Label and Blue Label
Particle size and molecular size
Measurement principle:
Classical 90° Dynamic Light Scattering
Measurement angle:
90°, 13° (1)
Measurement range:
0.3 nm to 15 μm (2)
Minimum sample volume:3 μL
Concentration range:
Minimum Sample Concentration:
Blue Label: 1 mg/mL 15 kDa Protein
Red Label: 0.3 mg/mL 15 kDa Protein
Maximum sample Concentration: (3)
40% w/v
Zeta potential
Measurement principle:
Mixed-Mode Measurement phase analysis light scattering (M3-PALS)
Size range:
3.8 nm – 100 μm
Minimum sample volume:
20 μL (4)
Concentration range:
Red Label: 1 mg/mL (5) to 40% w/v (6)
Blue Label: 10 mg/mL (5) to 40% w/v (6)
Sample conductivity range:
Maximum: 260 mS/cm
Static Light Scattering (molecular weight)
Measurement principle:
Static Light Scattering with Debye Plot
Molecular weight range:980 Da – 20 MDa
Accuracy:
+/- 10% typical
System
Detector:
Avalanche Photodiode
Laser safety:
He-Ne (633 nm)
Blue label: 4 mW Max
Red label: 10 mW Max
Temperature control range:
0°C to 120°C (7)
Dimensions (W, D, H):322 mm x 565 mm x 245 mm
Weight:
19 kg
Power:
AC 100-240 V, 50-60 Hz, 4.0 A
Power consumption:
Max 100 W, Typical 45 W
Ambient conditions:
+10°C to +35°C, 35 to 80% RH (Non-condensing)
Interface:
USB 2.0 or higher
Footnotes
Notes:
1 - Water as dispersant
2 - Indicative data available for particle sizes greater than 10 μm when using Extended Size Range analysis and low volume disposable sizing cell accessory
3 - Sample dependent
4 - Using patented diffusion barrier technique
5 - Measured using 15 kDa protein
6 - Measured using bile acid
7 - Dry nitrogen cell purge required for temperatures below dewpoint
8 - Accuracy 0.1°C at 25°C, 0.2°C at 0°C, 0.5°C at 90°C