| Sensors and sample handling system |
|
| Number of sensors |
4, also possible using only 1, 2 or 3 sensors |
| Flow profile |
Parallel plate flow |
| Typical sample volume |
500 µl per sensor |
| Volume above sensor |
40 µl |
| Working temperature |
18-50 °C |
| Temperature stability |
± 0.02 °C |
| Flow rates |
0-800 µl/min |
| Cleaning |
All parts easily removed for separate cleaning |
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|
| Frequency and dissipation characteristics |
|
| Frequency range |
1-70 MHz |
| Maximum measurement rate: |
Up to 200 data points / s |
| Typical mass sensitivity in liquid*: |
1.8 ng / cm2 (0.1 Hz) |
| Typical detectable change in D in liquid * |
0.1 x 10-6 |
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| Software capabilities |
|
| General |
Plots, data editing and calculations.
Allows intuitive programming of measurements sequences using the E4 and QSoft
|
| Ouput data, Sauerbrey |
Mass & thickness vs time |
| Output data, Voigt viscoelastic model |
Thickness, viscosity & elasticity vs time |
| Other functions |
Kinetic constants, temperature ramps, own models |
| PC requirements |
USB 2.0, XP, Vista |
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| Autosampler Liquid handling capabilities |
|
| Sampler type |
X/Y/Z with stationary racks, arm with 4 probes |
| Operation |
Probes connected to QCM-D flow module inlets, outlets connected to pump |
|
Arm speed
|
350 mm/s in X and Y dimensions, 125 mm/s in Z dimensions |
| Number of samples |
Standard set-up 80 (20 rows x 4) for 9 ml tubes + 44 (11 rows x 4) for 20 ml tubes |
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| Dimensions |
|
| Electronics unit |
18 x 36 x 21 cm (HxWxD), 9 kg |
| Measurement chamber |
12 x 23 x 34 cm (HxWxD), 8 kg |
| Autosampler |
57 x 60 x 54 cm (HxWxD), 22 kg |
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