Measurement range and capacity

Measurement channels

8

4

1

1

Working temperature

4 to 70 °C, 4 to 150
°C using accessory chamber (QSense High Temperature chamber)

15 to 65 °C, 4 to 150
°C using accessory chamber (QSense High Temperature chamber)

15 to 65 °C, 4 to 150
°C using accessory chamber (QSense High Temperature chamber)

20 to 45 °C

Sensors (frequency range)

5 MHz (1-72)

5 MHz (1-72)

5 MHz (1-72)

5 MHz (1-72)

Number of measured harmonics

7, allows for full viscoelastic modeling

7, allows for full viscoelastic modeling

7, allows for full viscoelastic modeling

2

Sample and fluidics

Minimum sample volume,
stagnant mode

~ 15 μl
~ 1 μl minimum dispense volume

~ 40 μl
~ 10 μl using add-on module (QSense Open module)

~ 40 μl
~ 10 μl using add-on module (QSense Open module)

~ 40 μl

Minimum sample volume,
flow mode

~ 50 μl

~ 200 μl

~ 200 μl

~ 200 μl

Flow rates

Typical flow rate 20 µl/min.
Flow speed range 1-40 µl/min (4 sensors), 1-100 µl/min (1 sensor).

25-150 μl/min applicable for QSense setup (Peristaltic pump settable to 0-1 ml/min)

Performance characteristics

Maximum time resolution

100 datapoints per second (each datapoint represents an f and D value)

300 datapoints per second (each datapoint represents an f and D value)

300 datapoints per second (each datapoint represents an f and D value)

4 datapoints per second (each datapoint represents an f and D value)

Long-term stability*

Frequency: < 1 Hz/h
Dissipation: < 0.15∙10-6
Temperature: < 0.02 ˚C/h

Software

Data output

Time resolved Frequency and Dissipation for 7 harmonics

Thickness (or mass), viscosity, shear modulus and the frequency dependence of the viscosity and shear modulus.
Kinetics, slope, rise time and more

Computer requirements

USB 2.0

PC with 64-bit
> 1366×768 px screen resolution > 4 GB RAM

Operating system

Windows 10 or later (earlier Windows versions may not fully work and support cannot be guaranteed)

Import/export

Excel, BMP, JPG, WMF, GIF, PCX, PNG, TXT

CSV files. Decimal separator, full stop or comma

Dimensions and weight

Electronics unit HxWxD (cm), W (kg)

70x67x57, 83

18x36x21, 9

18x36x21, 9

18x36x21, 9

Measurement chamber HxWxD (cm), W (kg)

12x23x34, 8

5x10x15, 1

5x10x15, 1