Specifications

Basic Models with additional OPTIONS and ACCESSORIES. Download BROCHURES.
Operating Procedure Available Options

The user fills the sample chamber with 0.1 – 150 ml of sample, defines the sample in a simple dialog box, selects the desired experiment protocol, and clicks on “RUN”.

For Zeta potential measurements sample volume can be as little as 0.1 ml.
When the measurement is complete, the user empties the sample, and then rinses the system with water or suitable cleaning solution.

For Particle Sizing measurements, sample volume can be as little as 3 mL for model DT-110, or DT-1202 with option OP0016

Automatic Titration with 1or 2 burettes pH / Temperature measurement Conductivity measurement, aqueous and non-aqueous Circulating pump for very viscous samples Ports for remote “on-line” measurements Rheology longitudinal Temperature heating control

Disposable sample cell with sample volume <5 mL.

Measurement Specifications
Physical Specifications
Sample Requirements Model DT1200 Both
particle size & zeta potential
Model DT-100/110
Particle size only
Model DT-600
Acoustic Longitudinal Rheometer
Model DT-300/310/330/350
Zeta Potential Probe
Model DT-400
Automatic
Titrator
Sample Volume Range 0.1 -150 ml 3 -70 ml 3 -100 ml 0.1-100 ml 100 ml
Volume Fraction % (1) 0.1-50 0.1-50 no restriction 0.1-50 must be stirred
Conductivity (2) no restriction no restriction no restriction no restriction no restriction
pH 0.5-13.5 0.5-13.5 0.5-13.5 0.5-13.5 0.5-13.5
Temperature [degree C] below 50 below 50 below 50 below 50 below 100
Viscosity of media [cp] to 20,000 to 20,000 to 20,000 to 20,000 to 20,000
Microviscosity of media [cp] (3) to 100 to 100 no restriction to 100 to 100
Viscosity of colloid (4) to 20,000 to 20,000 to 20,000 to 20,000 to 20,000
Particle size [microns] (5) 0.005 to 1000 0.005 to 1000 no restriction < 100 no restriction
Zeta potential no restriction no restriction no restriction no restriction no restriction
Measured Parameters
Temperature [degree C] 0 to 100, ±0.1 0 to 100, ±0.1 0 to 100, ±0.1 0 to 100, ±0.1 0 to 100, ±0.1
pH 0.5-13.5, ±0.1 0.5-13.5, ±0.1 0.5-13.5, ±0.1 0.5-13.5, ±0.1 0.5-13.5, ±0.1
Frequency Range [MHz] 1- 100 1- 100 1- 100 1- 100 N/A
Acoustic Attenuation [dB/cm MHz] 0 to 20, ±0.01 0 to 20, ±0.01 0 to 20, ±0.01 N/A N/A
Sound Speed [m/sec] 500 to 3000,± 0.1 500 to 3000,± 0.1 500 to 3000,± 0.1 N/A N/A
Electroacoustic signal ±1% N/A N/A ±1% N/A
Conductivity 0.0001-10, ±1% 0.0001-10, ±1% N/A 0.0001-10, ±1% 0.0001-10, ±1%
Calculated Parameters
Mean size [microns] 0.005 to 1000 0.005 to 1000 N/A N/A N/A
Unimodal parameters Yes Yes N/A N/A N/A
Bimodal parameters Yes Yes N/A N/A N/A
Zeta Potential ± 0.1 mV N/A N/A ± 0.1 mV N/A
Viscosity longitudinal [cP] N/A N/A 0.5-20000,±3% N/A N/A
Bulk viscosity for Newtonian liquids [cP] N/A N/A 0.5-100,±3% N/A N/A
Liquid compressibility
[104/MPa-1]
N/A N/A 1-30, ±3% N/A N/A
Newtonian liquid test at MHz range N/A N/A N/A N/A N/A
Measurement time [min]
Particle size 1- 10 1- 10 N/A <N/A N/A
Zeta Potential in aqueous system 0.5 <N/A 0.5 0.5 N/A
Zeta Potential in non-aqueous system< 0.5-5 N/A 0.5-5 0.5-5 N/A
Rhelogy N/A N/A 1-10 N/A N/A
Weight [kg] electronic unit: 20
sensor unit: 30
electronic unit: 20
sensor unit: 30
electronic unit: 20
sensor unit: 3
electronic unit: 20
sensor unit: 7
electronic unit: 20
sensor unit: 5
Power 100-250 VAC
50-60 HZ
450 W
100-250 VAC
50-60 HZ
450 W
100-250 VAC
50-60 HZ
450 W
100-250 VAC
50-60 HZ
450 W
100-250 VAC
50-60 HZ
450 W
Options Available with DT Instruments
Model pH/Temp Conductivity Pump Titration Upgrade to DT- 1200
DT- 10 Yes Yes Yes Yes Yes
DT- 600 Yes Ye Yes Yes Yes
DT- 300 Yes Yes Yes Yes No
DT- 400 Yes No Yes No No
DT- 1200 Yes Yes Yes Yes n/a
(1) Instrument can measure attenuation spectra well beyond 50 vol %, but theory for computing PSD from this data is limited to 50 vol % and theory for computing zeta potential is limited to 40 vol %. The isoelectric pH is accurate over the entire range, however, some decrease in the absolute value of zeta potential may be experienced as one approaches the volume fraction limits. (3) In calculating the particle size the important viscosity is that experienced by the particle as it moves in response to the sound wave. This “microviscosity” in cases such as gels or other structured systems may be significantly less than the viscosity of the media measured with conventional rheometers which measure viscosity over a scale much larger than the particle.
(2) For titration experiments it may be necessary to use external circulation pump to provide adequate mixing of reagents for quite viscous samples. (4) Particle size range for zeta potential measurement might depend on the density contrast.
Computer Hardware/ Software Specifications
CPU Intel G3320TE, 2.3 GHz LGA1150
Mother Board Intel Chipset
Hard Disk SSD >= 60 GB
Video Output HDMI Standard
Memory DDRL3-1600 4GB
USB 2.0 Three Ports
Operating System Microsoft Windows 7