ON Line Instrumentation Laboratory


1. Process Imaging Systems

(click on images to see the large picture.)

2D Particle  Imaging Velocimetry. <b>Feature</b>: 2M Camera, 1600x1200 px, 30 fps, Nikon AF Micro 60mm f/2.8 Lens, Dual-power 65-15 Laser 2x65 mJ at 15 Hz, 532 nm, software

Ultrasound Doppler Velocity Profiler / Model: UDVP-DUO MX GAH400 /Description and Feature: UVP method provides velocity information as a function of both space and time in a unidimensional Eulerian frame. Combining several probes allows 2D or 3D velocity profile measurements. /Manufacturer: METFLOW

ITS P2000 ERT System / Feature: measure conductivity and concentration distribution of dispersed phase in two phase flow; available to operate linear and circular sensors; maximu 128 electrode channels in 8-32 electrode per sensing plane expandable up to 8 planes.<br>
  ITS Z8000 ERT System / Feature: capture data 1,000 dual frames per second; measure conductivity, distribution, concentration and velocity of dispersed phase in two phase flow; 2 planes / Developer: University of Leeds / Manufacture: Industrial Tomograpghy Systems plc
High conductivity ERT system. / Feature: Compact, 2 planes of 16 electrodes, voltage source, large current output up to 350mA, 350 frames per second, for applications with high conductivity solution. /Developer: University of Leeds/ Prototype manufacture: University of Leeds

2D Particle Imaging Velocimetry

Ultrasound Doppler
Velocity Profiler

P2000 ERT System    Z8000 EIT System    HC System
Capacitance Tomography System / Model: PTL 300 / Description: Two sensing planes with 12 electrodes on each plane; sensitivity up to 10-9 pF; data acquisition speed up to 100 frames per second. / Manufacture: Process Tomography Limited.

Wire Mesh System / Module: WMS 200 / Feature: For visualization of phase distributions in pipes, columns and reactors on the basis of conductivity measurements./ Manufacture: Teletronic          
PTL 300 ECT Wire Mesh System          

2. CVP Imaging

Digital Ultrasound Imaging System / Model: Mindray DP-6600 /Description: A portable, high specification Digital Ultrasound Diagnostic Imaging System with a built in 10 inch (254mm) screen and a large memory capacity provides storage for up to 115 images and transfer to a PC in a quick and simple procedure via a USB connector. / Manufacture: Mindray co and National Ultrasound

Solartron 1260 Electrical Impedance Spectrum Analyser. Description/Feature: Impedance, Gain-Phase, 10 μHz-32 MHz sweep, computer data logged, the impedance spectrum analysed with Smart software.

RF signal lock amplifier / Mode: SR844 / Description: It provides uncompromised performance with a frequency range of 25 kHz to 200 MHz and up to 80 dB of drift-free dynamic reserve. / Manufacture: Stanford Research Systems, Inc. A conventional pre-amplifier is a part of the UVP-setup to amplify the excitation signal by 40 dB with a gain factor of 100 and applied to the transducer. The Model GA 2500 Gated RF Pulse Amplifier is a high power, limited duty cycle instrument designed to produce high amplitude RF tone bursts derived from either a continuous wave RF signal or from an externally generated RF tone burst.Manufactured by Ritec model GA 2500A.
Ultrasound Pulser and Receiver / Model: 5072PR / Description: Operate both functions of ultrasound pulser and receiver with a variable gain between 0-59 dB. / Manufacture: Panametric Ltd.

Ultrasound Imaging System Impendance analyzer SR844 RF Lock amplifier

 RF Power Amplifier   Ultrasound Pulse and Receiver
Ultrasound transducer / Model: Immersed / Description: Containing a crystal that converts an electrical pulse into an acoustic wave operating at a fixed central frequency. Both focus and planar transducer with crystal diameter from 5 mm to 50 mm in a frequency range of 0.5-15 MHz at OLIL. / Manufactures: Sonatest, Olympus NDT

Ultrasound transducers        

3. Testing Beds

Inclined Slurry Loop / Description: A 4.5 meters high and 7.0 meters long flow loop with 50 mm internal bore diameter made from uPVC; two sets of dual-plane ERT sensor on both the inclined and vertical sections; a magnetic flowmeter (Krohne and Aquaflux), differential pressure sensors, a measurement tank (250 L) with loading cells (PS1040) and a mixing tank (500 L).

Gas-water flow loop / Description: A 3 meters high and 6.5 meters long flow loop with 50 mm internal bore diameter made from a number of glass sections; two sets of dual-plane ERT sensor on both vertical and horizontal sections; magnetic flowmeter, differential pressure sensors, turbine liquid flow meter and gas mass flowmeter.

Continuous Stirred-tank Reactor Description: 20 liters glass jacket vessel in Diameter 30.05 cm and Height 40 cm. The temperature inside the vessel is controlled by Julabo F32 thermo-stated bath and runs low temperature heat transfer liquid Polydimethyl Siloxane (pour point -90 Deg C, flash point +170 Deg C) inside the jacket, fitted with three ERT sensors and other conventional sensors. Bubble Column Reactor / Description: PVC, ID = 0.24m, H = 2.75 m; one Pt100 temperature probe, five piezo-resistive pressure transmitters (Keller 23 S) on the wall of the column at 2.19m, 1.68m, 1.18m, 0.67m and 0.13m above the sparger; four ERT sensors, each composed of 16 stainless steel electrodes (2.4cm1cm0.1cm), three circulate ERT sensors and one parallel ERT sensor.
Crystallisation Rig / Description: 200 ml glass jacketed vessel (din= 12.3 cm and dout = 15 cm) with a flat bottom on a JENWAY-1103 Hotplates & Stirrer, the temperature controlled by Julabo F32 thermo-stated bath filled with the heat transfer fluid Polydimethyl Siloxane (with pour point -90° and flash point +170); four electrodes connected with an impedance analyzer; crystallization and temperature monitored by a platinum resistance thermometer and a Turbidity probe.
Slurry loop Gas-water CSTR with ERT   Bubble column   Crystallisation rig

4. Electronics

: LeCroy Wavejet 324 oscilloscope / Feature: 200 MHz, 1 GS/s, 4 Ch, 500 kpts/Ch with 7.5 inch Color Display.

LeCroy WaveRunner 44xi Oscilloscope Feature: 400 MHz, 4 Ch, 5 GS/s, 12.5 Mpts/Ch (25 Mpts/Ch in interleaved mode) with 10.4 inch  Color Touch Screen Display.

LeCroy Wavesurfer 454L Oscilloscope / Feature: 500 MHz, 4 Ch, 2GS/s, with 10.4 inch  Color Touch Screen Display.   Agilent 33220A  Function/Arbitrary waveform Generator / Feature: 20 MHz sine and square waveforms; Ramp, triangle, noise, pulse generation with variable edge, and DC waveforms; 14-bit, 50 MSa/s, 64 Kpoint arbitrary waveforms
Agilent 33250A  Function / Arbitrary Waveform Generator / Features: 80 MHz sine and square waveforms; ramp, triangle, noise, DC and other waveforms, 12-bit, 200 MSa/s, 64 K point arbitrary waveforms
Wavejet 324 Oscilloscope WaveRunner 44xi Oscilloscope WaveSurfer 454L Oscilloscope    Agilent 33220A Function genreator   Agilent 33250A Function genreator
Hewlett Packard 34420A / Digital Nanovolt/micro-ohm Meter / Feature: 7.5 digits resolution; 100pv/100 nΩ sensitivity; 1.3 nVrms /8 nVpp noise performance

HP 34420A Nano-volt meter            


5. Software

P2000 Electrical Resistance Tomography System / BRIEF SPECIFICATIONS/FEATURES: Operation software for P2000 ERT system Data acquisition, image display and data analysis / DEVELOPER/MUNUFACTURE:
Industrial Tomography Systems plc.

Z8000 Electrical Impedance Tomography System / BRIEF SPECIFICATIONS/FEATURES: Operation software for Z8000 ERT system, Data acquisition, image display and data analysis / DEVELOPER/MUNUFACTURE: University of Leeds/Industrial Tomography Systems plc.

 Advanced Imaging and Measurement for Flow (AIMFlow) Standard Version 1.1 / BRIEF SPECIFICATIONS/FEATURES:
It utilizes the conductivity maps produced by process tomography to produce the 2-dimensional velocity and concentration distributions and volume flow-rate of dispersed phase. It also include tools of noise analysis and reduction, and modeling technique for flow analysis. The velocity calculation is based on the cross-correlation method and concentration calculation is based on the Maxwell relationship. / DEVELOPER/MUNUFACTURE: MOSAIC Scientific Ltd. Cadence OrCAD Electronic design automation software / BRIEF SPECIFICATIONS/FEATURES: Manufacture electronic schematics, printed circuit boards and electronic simulation / DEVELOPER/MUNUFACTURE:
Cadence Design Systems, Inc.
Wolfram Mathematica 7 / BRIEF SPECIFICATIONS FEATURES: Mathematica is a computational software program used in scientific, engineering, and mathematical fields and other areas of technical computing. / Elementary and special mathematical function library; Matrix and data manipulation tools including support for sparse arrays;  Support for complex number, arbitrary precision, interval arithmetic and symbolic computation;  2D and 3D data and function visualization and animation tools;  Solvers for systems of equations, Diophantine equations, ODEs, PDEs, DAEs, DDEs and recurrence relations;  Multivariate statistics libraries including fitting, hypothesis testing, and probability and expectation calculations on over 100 distributions. / DEVELOPER & MUNUFACTURE: Wolfram Research, Inc.
P2000 Z8000 Fast EIT AIM Flow   OrCAD Electronic design tool    Mathematica
COMSOL Multiphysics modelling and engineering simulation software / BRIEF SPECIFICATIONS/FEATURES: The COMSOL environment facilitates all steps in the modeling process − defining your geometry, meshing, specifying your physics, solving, and then visualizing your results. / DEVELOPER/MUNUFACTURE: COMSOL AB
MATLAB (for matrix laboratory) / BRIEF SPECIFICATIONS/FEATURES: A numerical computing environment and fourth-generation programming language to allow matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, and Fortran. / DEVELOPER/MUNUFACTURE: MathWorks
SCG Imaging Algorithm / Model: Version 2.58 / BRIEF SPECIFICATIONS/FEATURES:
A multistep inverse solution to deal with the nonlinear inverse problem in two-dimensional electrical field distribution reconstruction./
DEVELOPER/MUNUFACTURE: University of Leeds /Licensed to ITS plc.      
COMSOL (EM simulation) MatLab (EM simulation) SCG