TrueDrop® High temperature and high pressure rotating droplet interfacial tensiometer

Contact angle measurement range:

0-180°

Choose a product with contact angle function

Contact angle resolution:

0.001°

Accuracy of contact angle measurement:

±0.5°(Circle simulation is legal)/0.1° (Asha)®）

Interface tension measurement range:

10-7-2000mN/m

Tested aspect ratio less than2Droplets of liquid

Interface tension measurement resolution:

10-7mN/m

Volume and surface area calculation

Based on Asha®ofYoung-LaplaceDifferential equation calculation

Analyze the adsorption behavior of surfactants with different surface areas

Volume calculation range:0.01-300uLRelative uncertainty±0.1%Accuracy ≤0.001 ML

(Range of volume ratio of internal and external phases:0.05% ~ 25%Relative uncertainty±0.05%）

Surface area calculation range:0.01-400mm2Display accuracy ≤0.01mm2

Instrument size and weight:

260Wx720Lx550Hmm 25kg

Different depending on the configuration

Power Supply:

AC100—240V 50-60Hz 600W

Different options depending on temperature

model

Single temperature control non gas thermal temperature control

Dual temperature control gas thermal temperature control

TX500C

TX500C+

Hardware specifications: Sample stage and its control system

Imaging system control:

XAxis control, one-dimensional movement stroke60mmMotor control intelligent tracking, manual integrated

Sample standXY 120mm, 1mmPitch screw control,XMotor control, realizing intelligent automatic tracking of liquid droplets, accuracy:0.01mm；YManual control, adjust focal length

none

Sample standZMoving towards12mmTravel range, differential head control, accuracy:0.01mm

Manual focusing and horizontal adjustment of the lens

Two dimensional horizontal adjustment of the lens, differential head control0.01mmprecision

Adjustment of overall tilt angle of the cavity:

→GapFree-RotixTMGap elimination processing technology360Precision optical rotating platform with full worm gear and worm gear

→ Tilt angle±25°Electric control and reduction motor improve control accuracy.

→ Optional manual integration, control accuracy ≤0.001°. Upgradeable ±90The ° rotation mechanism is used to evaluate adhesion force

Adhesive force analysis function: angle accuracy0.001°

Intelligent droplet tracking and locking function

Cavity vibration reduction system

PTFESimple vibration reduction system

Professional vibration reduction system, optional magnetic levitation vibration reduction platform

Sample table size
(Parameters for optional contact angle function):

none

120*120mmEquipped with positioning design and clamping plate, the tabletop is detachable

Maximum test sample
(When selecting the contact angle function) Parameters:

none

390*∞×∞

3DContact angle module
(Parameters for optional contact angle function):

none

Horizontal direction of sample table360Degree rotation function, differential head control, manual control

(Note: Optional retention force module, automatic horizontal direction)360° rotation)

Instrument level control:

Four legged horizontal adjustment feet, optional magnetic levitation adjustment feet.

Rolling angle measurement module

none

Worm gear and worm precision optical rotation platform control, electric control, power-off manual control

High speed motor:

TX500CandTX500C+DC motor,0-10,000RPM(continuously adjustable);

TX500K: Optional15000RPMThe20000RPMServo motor, speed resolution:0.1RPMSpeed control: ±RPMResponse to acceleration and deceleration10000/sMeet the high-speed interface rheological measurement requirements.

Sound power level（6000 rpm）：<55 dB(A)

Temperature control:

Temperature control range: room temperature-220℃（0.05℃（℃

Sensor type:PT100Or high-precision semiconductor temperature sensor

Active pressure control system:

pressure range0-20MPa

Pressure resolution:0.001MPa

Pressure system options: manual booster pump or automatic constant pressure pump

The pressure system needs to be ordered by the customer and is not standard for entry-level models

Sample tube performance:

Pressure resistance strength:25 MPa(Limit)

Temperature resistance upper limit:500℃(Short term tolerance)

Sealing leakage rate:6000 rpm）: Continuous operation60No leakage within hours

Axial vibration（6000 rpm）：±0.002°

(Results of testing using professional tilt sensors)

(Note:1.equivalent<0.03 mm·s⁻¹，

2.TX500C+andTX500KEquipped with a professional vibration reduction system

Camera control:

One dimensional or two-dimensional pitch control is optional, differential head control, with scale, angle range greater than5°

(Note: The angle range varies depending on the selection of different adjustment platforms)

camera lens:

→TFOVTMPanoramic industrial continuous magnifying glass:0.4-8XOptical amplification（20The range of doubling (from doubling to doubling).TVDistorted curvature《0.035%Range of vision2*2-60*60mmEquipped with magnification locking function and lens focusing and locking function to avoid accidental impact during the measurement process
→ It can achieve the display of panoramic droplet contours and test interface tension using micrometer level micro contours, realizing droplet tracking and global analysis functions.

(Note: The field of view may vary depending on the choice of camera and lens)

→ Optional0.7-4.5XThe0.7-5.6XThe0.58-7.5XEqual magnification range lens;

Camera system:

industrial-grade standard500Ten thousand pixels（2590*1940）Or300Ten thousand pixels（2048*1536）Black and white high-speed camera, camera speed range5200FPSIt has infrared filtering and cutoff function. optional230megapixel1200frame/Second（600*400）High speed cameras and high-speed cameras with over 10000 frames per second.

Camera communication:

USB3.0Communication interface, noise not exceeding7e-,Dynamic range higher than30000e-Data acquisition speed:5Gbyte/Seconds;

Background light:

→ High brightness adjustable brightnessLEDBlue cold light source(470or480Wavelength can be customized) 50About one high brightnessLEDlamp,Quartz glass shading technology, with a light source diameter greater than50mmDigital control, software adjustable image brightness.

Provide shading technology for hydrophilic material testing, which can perform shading treatment on the optical path to eliminate image blurring caused by diffuse reflection at the edge of liquid droplets.

→ Optional four-color parallel light source.

Camera control:

One dimensional or two-dimensional pitch control is optional, differential head control, with scale, angle range greater than5°

(Note: The angle range varies depending on the selection of different adjustment platforms)

Inlet system:

→ Automatic control of single injection pump system; Single injection pump, stroke60mm，1mmPitch.

→ The software controls the liquid inlet method and droplet volume, and can oscillate droplets or set droplet programs. The software automatically calculates the droplet volume during the Asha algorithm, with accuracy:0.001uL.

Dripping can be done using a pipette needle or a regular needle. The needle of the pipette can hold droplets with a volume not less than200Micro liter.

→ Adjustable liquid inlet speed: Range:0.225uL/min(5uL)-3000uL/min（5000uL）.

→ It can automatically enter the liquid, or manually control the physical knob to control the liquid inlet after power failure

(Note:（1）Different according to different specifications of the liquid inlet; （2）Usually used1000uLand100uLThe liquid inlet speed;（3）If rapid dripping is required, it is recommended to choose a spray needle.

Inlet system:

The dual inlet system can use the suspended droplet surface tension method to determine organic contamination on the sample surface. The injection needle and ordinary pipette inlet system can be combined with a dual ordinary pipette inlet system. The spray needle inlet system can test the surface tension value of the suspended droplet method to determine the cleanliness of the inlet system. Ordinary pipette inlet system needle provides disposable pipette needle2Package（2000A)

Injector control:

Zmove120mm, can accurately position and adjust the height of multiple card positions (optional)12.5mmThe25mmThe60mmThe100mmOr larger stroke), automatic control, accuracy0.01mm，1mmPitch, achieve liquid transfer control, preset position, droplet rebound andZAxis oscillation function.

Flip function of injection system:

Horizontal or vertical positioning can be achieved through a micro gear handle, and the overall performance can exceed90Flip over for easy placement of larger samples or cleaning of needles.

Lens focal length adjustment:

120mmtrip,1mmPitch screw drive,0.1mmprecision

Mechanical surface tension module: dynamic surface tension and sandwich effect of surfactants

Sample tube cleanliness test

Test Principle

Based on Asha®Principle of Platinum Plate Method Testing for Algorithms（Wilhelmy plate）

Based on the platinum ring test principle（DuNouy Ring）

(Note: Platinum rings and platinum plates are optional and can be configured according to different needs)

Sensor measurement range:

《100g

Surface tension measurement range:

0-10,000mN/m

Resolution of surface tension measurement:

0.001mN/m

Dynamic surface tension velocity:

1ms

Balance surface measurement:

can

Interface tension measurement algorithm:

Asha®（ADSA-RealDrop®）The Dimensionality of TechnologyYoung-Laplaceequation solving

Optional GeneralizedYoung-LaplaceEquation fitting method to correct the influence of viscosity on interfacial tension measurement in non Newtonian fluid flow

Vonnegutlaw/Bashforth–AdamsTable method

Interface rheological analysis function:

The oscillation drop method is used for oscillation experiments, supporting relaxation analysis, elastic modulus calculation, and extraction of viscoplastic parameters.

Measurement range of interface rheological viscosity and elastic modulus:10-7-100mN/mResolution:10-7mN/m

Intelligent droplet analysis module:

Intelligent droplet tracking systemLocking technology

• Support real-time dynamic capture of rotating droplet contours, achieve millisecond level droplet center positioning and shape locking through multi-scale feature extraction deep learning algorithms, and adapt to a wide range of rotational speeds（100~20,000 rpm）Tracking the target below.

High precision edge detection engine

• based on3Automatic intelligent threshold algorithm, sub-pixel gradient field analysis technology, automatic recognition of liquid droplets-The fluid phase boundary remains stable even under complex optical interference, such as solution turbidity and bubble interference99%The accuracy of contour restoration.

adaptiveYoung-Laplacefitter

• Built in nonlinear curvature optimization model, throughCNNNeural network iterative approximation algorithm dynamically corrects droplet contour and centrifugal force field parameters, and outputs interfacial tension values（γ）Repetitive errors≤1 mN/m.

Self learning environment compensation mechanism

• based on3DRuby ball calibration tool, accurately measuring the effect of refractive index on interfacial tension.

• Provide real-time standard wire function, which can verify the accuracy of data at any time

Intelligent adhesion analysis system:

Multiphase dynamic adhesion analysis module

1. Three phase system simulation technology

• Based on intelligent tilt angle locking and buoyancy balance algorithm, supporting rock cores/原油/Interface tension of surfactants (binary or ternary complex systems)（IFT）Simultaneous measurement of contact angle, directly related to simulation of fluid retention behavior in reservoir pores, analytical accuracy≤±5%.

• Tilt angle dynamic feedback adjustment range:0°~25°Step accuracy±0.001°Suitable for observing complex interface processes such as wetting reversal and oil film peeling.

2. Quantitative engine for displacement efficiency

• Coupled centrifugal force field（0~10,000 rpmor20,000 rpm）Collaborative control with tilt angle parameters, automatic calculation of surfactant stripping work（Wpeel off）And core wettability index（Swet）Data repeatability error<3%, supportEORGrading evaluation of drug performance.

High fidelity reproduction module for reservoir environment

1.actualWorking condition simulation unit

• Temperature and pressure control range:-20℃（PIDConstant temperature, pressure0.001~20 MPa(Closed loop voltage regulation), compatible with high salinity（TDS≤200,000 ppm）And heavy oil (viscosity)≤5,000 mPa·s）System testing.

• Simulation of Formation Water Ionic Strength: SupportCa²⁺TheMg²⁺TheSO₄²⁻wait11Customize ion ratios and reproduce the real hydrochemical environment of oil reservoirs.

2. Interference suppression technology for porous media

• Built in core wettability adaptive correction model, through pore network topology analysis and dynamic compensation of interface energy, eliminates the interference of surface roughness and capillary effect on interface tension measurement, and correlates data with oil displacement experimentsR²≥0.96.

Programming control function:

Multi modal feature based dynamic tracking intelligent algorithm for millisecond level locking of droplet morphology and synchronous calculation of interfacial tensionγValue and real-time graph rendering through interactive visualization panel, supporting non-volatile storage architecture and full link metadata anchoring for the entire experimental cycle rather than a small number of data points, ensuringγ-θ-P-TThe spatiotemporal backtracking capability of the dataset.

Support temperature-speed-pressure-Any combination programming of time series

Support intelligent droplet locking and tracking function (software control of chamber tilt angle and...)XMobile range,TX500KSoftware controlled adjustment of focal length

Database and reporting functions

Data integrity assurance system

1. Full process data traceability mechanism

• Support metadata binding between raw test data and derived analysis results (including fitting curves and calculation results), in compliance withISO/IEC 17025The standard requires traceability of testing data.

1. Dynamic Data Rendering Engine

• Real time fitting of curves（Curve Fitting）Compared to theoretical models (such asYoung-LaplaceVisual comparison of equations and synchronous generation of grids with confidence interval annotations/Vector graphics（BMPFormat).

1. Synchronous solidification technology for analysis results

• Realize numerical analysis results (interface tension) through non-volatile storage architectureγContact angleθ）Atomization preservation of corresponding spectra to ensure data retention-image-The spatiotemporal consistency of environmental parameters.

Full lifecycle data warehousing system

1. Persistent storage of global testing data

• adoptISO 27001Information security management framework, realizing the storage of raw sensor data, analysis maps (including fitting curves and calculation result labels), and environmental parameters, supportingTBLevel capacity expansion.

1. Multi modal data joint retrieval engine

• Support parameter based (interface tension)γ, speed, temperature, pressure, etc.), timestamp（ISO 8601Standard composite query, which can synchronously retrieve the original optical image（BMPFormat, fitting curve chart（BMP）And analysis report fragments.

1. Structured data export interface

• provideASTM E3076Standard compatible export template, one click generation of metadata anchors (original images, fitted images, and calculated results)Excel（.xlsx）AndCSV（UTF-8Coding report,

Function:

Fully automatic Asha®Algorithm（ADSA-RealDrop）Analysis of forward and backward angles (tilt method or increase and decrease droplet volume method), surface tension, and interfacial tension, which can be tested by continuously measuring contact angle values or surface tension values over time

Test droplet status:

7Seed, Suspension Drop Method(Pendant Drop)Stop drip method(Sessile Drop)（2/3State), droplet method（MicroDrop）Bubble trapping method, fiber wrapped contact angle, meniscus method, etc

Contact angle testing method:

→9plant:Asha®Algorithm（ADSA-RealDrop）TechnicalYoung-LaplaceEquation fitting method, meniscus methodMicroDrop®Technical testing of single fibers or sheets θ/2Law, circle fitting method, ellipse fitting method, based on real liquid droplets®（TrueDrop®）The geometric model of technology includes non axisymmetric droplet measurement method, curve ruler method (tangent method, polynomial method)SplineInterpolation curve fitting method, etc

→ Supports fully automatic measurement and provides manual secondary modification of measurement results

→ Support manual fitting of Asha®algorithm sumYoung-LaplaceCurves can be used for teaching demonstrations

Curve fitting processing technology:

All test fitting lines and data of droplet contours are automatically embedded into the image and saved to the data, which can be modified and exported as images and videos

Intrinsic contact angle calculation:

Function of calculating and comparing the left and right contact angle values separately, software automatically calculates the average contact angle, and real-time calculates the intrinsic contact angle function（IECA）

Contact angle data acquisition method:

Combining fully automated measurement with manual adjustment. According to the test, the software automatically takes photos-Find sensitive points-Calculate the contact angle value-Display the calculation results without the need for manual intervention throughout the process to reduce the impact of human factors

Contact angle measurement technology:

Combining mathematical model fitting with actual measurement of droplet profiles to solve the problem of asymmetric image measurement

Database management function:

Can replay all saved images (greater than)2000(Above Zhang), ExportEXCELorCSVThe table, measurement values, and curve fitting results can all be saved to the exported image, which is intuitive and clear.

Curve ruler function:

Curve fitting:1-8Polynomial curves, circular curves, etc20Curve fitting

fully automatic3DContact angle analysis function:

The real-time intrinsic contact angle analysis function can be used to measure the intrinsic contact angle based on the three-dimensional space tilt angle correction testing method, including simultaneous contact angle calculation equations, acquisition of tilt angle, correction of tilt angle, and calculation of intrinsic contact angle. Its characteristics are as follows::When calculating the contact angle, the inclination angle of the sample surface is corrected, and the intrinsic contact angle value of the droplet is obtained by using the corrected gravity coefficient.

Surface Structure Condition Contact Angle Analysis

The software has a surface roughness correction factor that can be based onWenzelorCassie-BaxterModel correction of contact angle value; The roughness data measured by other methods such as roughness meter or atomic force microscope can be directly corrected after entering the software

→3DContact angle analysis function, providingTFOVUnder the condition of top view prism3DContact angle analysis function, analyzing the axial symmetry and distribution percentage of droplets

move/Static contact angle test:

→ Can test tilted sample surface or increase/decrease droplet method or micro motion method for testing progress/Backward angle, in addition to polynomial or double circular curves, the testing algorithm also provides a basis for3DAsa's contact angle®technicalYoung-LaplaceEquation fitting method

→ Can test tilt angle and rolling angle values, automatically calculate the contact angle of this feature

Auxiliary functions:

Horizontal, vertical, and fiber contour guidance functions,AOIGuiding line function

The software has horizontal and vertical calibration and clarity assistance functions

Image processing function:

provide3It has automatic image threshold processing function and manual image edge analysis threshold function, which can perform image processing techniques (brightness contrast, image inversion, cutout, magic wand, eraser function), image preprocessing function, and has strong background anti-interference ability. It can accurately identify droplets and calculate contact angle in the case of dim background and multiple droplets in the field of view

Baseline function:

→ Automatic search for horizontal baseline function, can automatically or manually baseline, and surface baseline can be saved in the fitting image

Surface correction: convex surface, concave surface

Droplet triggering function:

Dual software triggering technology can be used to obtain the contact angle at the first time point during the analysis of powders, paper, and other absorbent materials, as well as to capture the entire process of measuring small contact angles.

→ Intelligent image filtering function

High speed image processing technology:

High speed camera processing software: memory caching technology to improve transmission speed

Image capture method:

Single sheet or20-3000frame/Continuous shooting in seconds

Video recording function:

recordableAVIFormat film and television images, can export single images and videos with fitted curves, can be used forPPTDocument production

Surface free energy function:

12Develop a surface free energy estimation model to analyze the surface free energy and its components of solid materials(Dispersion force, polarity force, hydrogen bonding forceLewisAcid base strength, etc), including:

Equation of State ( Neumann et al. )TheGood-GirifalcoTheWORKTheSimple FowkesTheExtended FowkesTheWUlaw1-2TheSchultzlaw1-2TheAcid-base(OSS&Good)TheSLLTheZizmanCritical surface tension method, etc

Wettability analysis of solid materials（WBATM）

Wettability analysis function（WBA®analyzeWetting Envelopes）Intrinsic contact angle analysis function

Liquid storage:

700Commonly used liquid surface tension data can be uploaded to the database and manually deleted from the liquid library

Liquid surface tension dispersion force and polar force components

2Analysis model:WORKTheWU

Interface tension measurement:

Asha®Algorithm, fourth generationYoung-Laplacefitting

Can test surface tension and interfacial tension values for all Bond coefficient ranges

Interface rheology and viscoelastic coefficient:

It can achieve oscillating droplets, analyze the changes in surface area, volume, and interfacial tension phase angle, and analyze the viscoelastic system

Adhesive force measurement function:

Can be connected to microsensors to test the changes in adhesion force and lifting height between liquid and solid materials; It can achieve oscillation control of lifting height.

Other automatic functions

Automatic testing of droplet volume (volume and surface area), adhesion work, and surface free energy analysis function over time, which can be used to test the surface tension value of thin films and can replace the testing function of Dyne pens