Delhi, India
Our Products
QDA SeriesData Acquisition Systemsare multi-channel (upto 64), high-speed systems, available with a wide variety of signal conditioners to to suit any application. They are currently being used in various fields such as monitoring health of civil structures, acoustic and vibration sensing and many more.
| Qrius (Graphical User Interface for QDA Series Systems) | |
| Trace Control | Activation or de-activation facility |
| Trigger Control | Multi-channel control |
| Trigger Modes | Auto, normal & single |
| Trigger Level | Adjustable |
| Trigger Slope | Falling & rising |
| Preset Acquisition Times | 20ms , 50ms, 100ms, 200ms, 500ms, 1sec, 2sec, 5sec, 10sec, 20sec, 50sec, 100sec |
| Data Export | ASCII file |
| Readable Data By | Excel, Origin, Matlab etc. |
| Standard Accessories | |
| Serial Cable | Two |
| User Manual | One |
| Software | Installation CD |
| Minimum Computer Requirement | |
| Computer | Pentium IV® & above |
| Platform | Linux, MS Windows XP, Windows Vista, Windows 7® |
| Main Memory | 1GB |
| Hard Disk Drive | 128 MB free space |
| Compact Disk Drive | Standard |
| Coloured Monitor | Min. 1024×768 resolution |
| USB Port | Two |
| Installation Requirements | |
| Power Input | 220Vac/50Hz (±1%) |
| Temperature | 50ºC (Max.) |
XPLOREPhysical Quantities Measurement System (PQMS)is an easy-to-use, versatile system for acquiring experimental plots of magnetic ac susceptibility and electrical resistance of your sample as a function of temperature in the range of 80-450K.
| Temperature Controlled Environment
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| Magnetic Susceptibility Measurement
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| Electrical Resistivity Measurement
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| Software Package
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| Cryostat and temperature controller | ||
| Sample chamber | ||
| Dimension | 21mm (dia) x 100mm (length), top loading | |
| Construction | Non-magnetic, double walled | |
| Temperature range | ||
| Temperature range | 80K-450K | |
| Cryogen | Liquid N2 | |
| Exchange gas | Air, port available for evacuation/flushing | |
| Temperature measurement and control | ||
| Sensors | Pt100 and K-type thermocouple | |
| Temperature resolution | 0.01K | |
| Temperature stability | Better than ±0.1K in isothermal mode | |
| Temperature ramp-rate | 1K/min-10K/min in steps of 0.1K/min | |
| Control algorithm | PID | |
| PID parameters | User configurable | |
| Heater | ||
| Heater power | 40 Watt | |
| Winding type | Non-magnetic | |
| Others | ||
| Computer connectivity | USB | |
| R-T and I-V measurements with 4-probe insert and I-V source and measurement unit | ||||
| Source mode | Current or voltage | |||
| Current source specification | ||||
| Current source range(s) | 100µA, 1mA, 10mA | |||
| Current setpoint resolution | Better than 0.05% of full-scale | |||
| Voltage compliance | 10V | |||
| Voltage source specification | ||||
| Voltage source range(s) | 10V | |||
| Voltage setpoint resolution | Better than 0.005% of full-scale | |||
| Current compliance | 10mA | |||
| Ammeter specification | ||||
| Current measurement range(s) | 100µA, 1mA, 10mA | |||
| Current measurement resolution | 6½ digit | |||
| Volt–meter specification | ||||
| Voltage measurement range(s) | 100mv, 1V, 10V | |||
| Voltage measurement resolution | 6½ digit | |||
| Input impedance | >1012Ω | |||
| Ohmmeter specification | ||||
| Resistance measurement range(s) | 10Ω, 100Ω, 1kΩ, 10kΩ, 100kΩ, 1MΩ, 10MΩ | |||
| Resistance measurement resolution | 6½ digit | |||
| Others | ||||
| Computer connectivity | USB | |||
| χ-T measurement with AC-susceptometer and lock-in amplifier | ||
| Sample | ||
| Sample size | 5mm (dia) x 10mm (length) | |
| Field strength | 4 Oe RMS field at 80Hz | |
| Primary driver | ||
| Frequency range(s) | 10Hz-10KHz | |
| Reference output | 2V peak-to-peak | |
| Reference generation | Direct digital synthesis | |
| Lock-in detection | ||
| Integration time | 1 sec | |
| Pre-amp gain(s) | 1, 10, 100 | |
| Post-amp gain(s) | 1, 10, 100 | |
| Measurement | ||
| Measurement resolution | 16-bit | |
| Measured quantities | Both amplitude and phase | |
| Others | ||
| Computer connectivity | USB | |
| Data acquisition and control software: Qrius 1.1 | ||||
| Computer automation of R-T and χ-T measurements using above mentioned modules have been provided by Qrius 1.1 software. It allows easy control of all experimental parameters and real time recording and plot of physical quantities. The software runs on Ubuntu 12.04 and is provided on an easy-to-use, installable Live DVD. | ||||
| Other user provided accessories required to run the system | ||||
| The following is a list of accessories that need to be provided by the user for proper operation of XPLORE 1.1 PQMS setup.
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STM Tip Wire :
QrystalTMis a research grade chemical vapour deposition system, with12 independent temperature zones, each capable of reaching temperaturesupto 1150C. It has an inbuiltprecision mass flow controllerallowing controlled injection ofupto 4 gases. Aback pressure regulatorallows a fixed controlled pressure to be maintained throughout the deposition chamber.
Furnace : QBAKE-1100-3
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Temperature Controller : TCON-12
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Vacuum System : VAC-10E-2
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Mass Flow Controller : MF02
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Complete Toolkit with:
nanoREVTMis an ambient air STM which opens out the fascinating nano-world right on to your table-top. It comes with a superb combination of ease-of-use and a high-level of sophistication, making it a ready-to-use instrument both for the beginners and the experts in the field of probe microscopy.
Take a look at the critical specifications ofnanoREVTMAmbient Air STM.
Expertise and experience In the field of mechanics, vibration isolation, piezo-sensors, feedback-control, high voltage power supplies and amplifiers, data-acquisition software etc. to accelerate nano-technology and related research and development. Experience of the team involved ensures time-bound, effective and optimal solutions to the challenges posed. Zero Downtime Our service and support system is targeted to maintain seamless operation of the STM facility. The updates, enhancements and replacements are made immediately with ensuring its uninterrupted usage. Customization and regular updates It much more than just an STM, its a sustained relationship with us in building and enhancing the technology, which is an outcome of the quest for further exploration and improvement. The feedbacks of our users have consistently improved and enhanced the whole system. We are committed to keep the hardware and software updated at the user end. |
| STM Measurements | ||||
| Sizes | Maximum Area | Minimum Area | X/Y Resolution | |
| Large | 3.7μm x 3.7μm | 14.8nm x 14.8nm | 0.06nm | |
| Small | 375nm x 375nm | 1.5nm x 1.5nm | 0.006nm | |
| Z-Resolution | Analog Mode: 8-10pm, Digital Mode: 15pm (Using 16-bit DAC) | |||
| Scan Orientation | Horizontal and Vertical | |||
| Max Z Range | ±350 to ±500nm (Full Stretch and Full-Retract) | |||
| Imaging Modes |
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| Electronics | ||||
| Scan Signals | 4-channel 16-bit DACs | |||
| Measurement Channels | 4-channels 16-bit ADC | |||
| Sample Bias |
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| I-V Spectroscopy |
0.3mV bias resolution for 1750 data points,
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| I-Z Spectroscopy |
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| Slope Correction | Digitally-controlled X/Y slope correction | |||
| Coarse Approach | Micro-controller based Walker Control with LCD display | |||
| Tunnel Current | ±10nA in steps of 5pA (100nA option available) | |||
| Software: SiM (STM iMproved) | |
| Image Display | Dual Mode (Scan and Retrace) Image Display with live scan CRO. |
| Display Modes | Both 2D and 3D displays, customizable look-up tables for pseudo image coloring. |
| Analysis | Line Profile Extraction, X/Y Slope Correction, Fourier Transforms and Filters, Selective Zooming, Calibration etc. |
| Data Export | Exports to ASCII, jpg, png, postcript formats. |
| Processing | Spatial and Fourier Low-Pass Filtering, Background Subtraction, Histogram Equalization, Zooming, Contrast, Slope Correction etc. |
| Lithography | Applying controlled voltage pulses to the sample. |
| OS | Installers available for the latest Ubuntu LTS Distributions. |
Chromatography Data Acquisition Systems or DAta STAtions seriesDASTA 710/720is a stand-alone, high accuracy, micro-controller-based digital micro- voltmeter, which can be interfaced through the PCs RS232 (serial) port.
It comes with its own chromatograph plotting and analysis softwareWinQCDS.
DASTAis a Chromatography Data Acquisition System, which can be coupled to any GC/HPLC a computer via a serial RS232 link.
Special features ofDASTA Series:
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| Precision Performance Hardware
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| Chromatography Data Analysis Software
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Advanced Features
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| Hardware | |
| No. of channels | Single & dual channel configurations |
| A/D Convertor | 24-bit |
| Input ranges | 1.25, 2.5, 5.0, 10.0V |
| Sampling frequency | 2, 10, 50Hz |
| Typical System Noise | <5µV @ 2.5V FS / 10Hz |
| Software (WinQCDS 8.0) | |
| Run Time | Limited only by HDD Capacity |
| Number of Peaks | Limited only by HDD Capacity |
| Number of Standards | Six |
| Baseline Correction | Interactive |
| Reference Peaks | Unlimited |
| Internal Standards | One |
| Standard Accessories | |
| Serial Cable | One (2m) |
| Signal Cable | One (1m) standard |
| User Manual | One |
| Software | Provided in CD |
| Minimum Computer Requirement | |
| Computer | Pentium IV® & above |
| Platform | MS WINDOWS XP® |
| Main Memory | 128 MB |
| Hard Disk Drive | 20 MB free space |
| Compact Disk Drive | Standard |
| Coloured Monitor | Min. 1024×768 resolution |
| Serial Port | Two/Three |
| Parrallel Port | One |
| Printer | Inkjet/Laserjet |
| Installation Requirements | |
| Power Input | 220Vac/50Hz (±1%) |
| Temperature | 50ºC (Max.) |
| Dimensions | L=32cm, W=21.5cm, H=9cm |
| Weight | 3.7 kg |
Sample Mounting Discs :
nanoREVTMVacuum STMoperates in vacuum ranging from ambient down to 10-3mbars. Vibration free pumping during the scans is done using sorption pump dipped in liquid nitrogen.
Take a look at the critical specifications ofnanoREVTMVacuum STM.
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Visit the fascinatingnanoREVTMSTM Image Galleryto have a glimpse of the nanoscale realm revealed by it. Also check out theHowTo Videosto seenanoREVTMSTM in action.
| STM Measurements | ||||
| Sizes | Minimum Area | Maximum Area | X/Y Resolution | |
| eXtra Large | 20 x 20nm2 | 2.0 x 2.0μm2 | 500pm | |
| Large | 10 x 10nm2 | 200 x 200nm2 | 50pm | |
| Small | 20 x 20Å2 | 40 x 40nm2 | 10pm | |
| Z-Resolution | Analog Mode: 0.008-0.01nm, Digital Mode: 0.025-0.05nm (Using 12-bit DAC) | |||
| Scan Orientation | Horizontal and Vertical | |||
| Max Z Range | ±350 to ±500nm (Full Stretch and Full-Retract) | |||
| Imaging Modes | Constant Current (CC), Constant Height (CH) modes and Dynamical Conductance Imaging | |||
| Vacuum Specifications | ||||
| Vacuum range | Ambient to 10-3mbar | |||
| Vacuum Holding Time | 2-3 hours with sorption pump | |||
| Rotary pump | For vacuum range 10-2 to 10-3 mbar | |||
| Liquid Nitrogen | 8 to 10 liters per experiment | |||
| Viewing Window | For tip-sample junction | |||
| Spare ports | Two blanked-out KF-25 ports | |||
| Vibration Isolation | No further isolation required for the chamber | |||
| Chamber Dimensions | 25cm (dia) x ~17cm (height) | |||
| Fitted with vacuum release (vent) valve. | ||||
| Electronics | ||||
| Scan Signals | 4-Channel 12-bit DACs | |||
| Measurement Ch. | Single Channel 16-bit ADC | |||
| Sample Bias | -10,000mV to +10,000mV in steps of 5mV | |||
| I-V Spectroscopy | 750 points, min. bias resolution 5mV | |||
| Slope Correction | Front Panel X/Y slope correction | |||
| Coarse Approach | Micro-controller based Walker Control with LCD | |||
| Tunnel Current | -5nA to +5nA in steps of 0.1nA (Option 1), -25nA to +25nA in steps of 0.5nA (Option 2) | |||
| Software-SiM (STMiMproved) | |
| Image Display | Dual Mode (Scan and Retrace) Image Display |
| Display Options | Both 2D and 3D displays, customizable look-up tables for pseudo image coloring |
| Analysis Functions | Line Profile Extraction, X/Y Slope Correction, Fourier Transforms and Filters, Selective Zooming |
| Data Export | Exports to ASCII, jpg, png, postcript formats |
| Image Processing | In-built image improvement toolbox with specialized spatial and fourier filters like Histogram Equalization, Gaussian LPF, Slope recitification in X and Y etc. |
| Nano-Lithography | Applying controlled voltage pulses to the sample (-10V to +10V ) |
| Operating System | UbiKewti Linux LiveDVD (with installation option) |
We supply and fabricate various samples used frequently while using the STMs. Kindly Contact usfor getting any of the items listed below.
nanoETCHTMTip Fabrication Unit :The quality of images obtained, using an STM, is critically dependent on thenature of the probing tip. The nanoETCH unit is used for preparation of tungsten tips by electro-chemical etching process.
GC772x series of Gas/Liquid Chromatographs precisely separates the constituents present in an injected gas/liquid sample. Along withWinQCDS Quazar Chromatography Data Acquisition-Analysis Software, it becomes really a very versatile, user-friendly and a powerful chemical analysis tool.
Take a look at the critical specifications ofGC772xseries of Gas/Liquid Chromatographs.
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| Oven | |
| Operating Temperature Range | 4°C above ambient to 450ºC |
| Temperature Control | PID type |
| Temperature Programming | 7 ramps from keypad & as many as desired from PC |
| Skin temp. (at temp. 450ºC) | Less than 20ºC above ambient |
| Cooling rate (450ºC to 70ºC) | <9 minutes |
| Volume of the inner oven | 15 L (23.5 cm x 24.5 cm x 26.0 cm) |
| Max. Temp. gradient | +/-0.5ºC (over the column) |
| Temperature Stability | 0.03ºC |
| Temp Set-point Resolution | 1ºC |
| Ramp Resolution | 0.1ºC/min |
| Ramp Rates(Oven) | |
| Temp. range( ºC ) | Ramp rates(ºC/Min ) |
| 50-70 | >70 |
| 70-115 | >50 |
| 115-175 | >45 |
| 175-300 | >40 |
| 300-400 | >25 |
| 400-450 | >15 |
| Flame Ionisation Detector (FID) | |
| Max. Operating Temperature | 450ºC |
| Temp Set-point Resolution | 1ºC |
| Minimum Detectable Limit | <5 pg of carbon/s as ethylene using N2 carrier |
| Sensitivity | 0.008 Coulombs/gC |
| Linear Dynamic range | 107 |
| No. of settings for enhanced/attenuated sensitivity | 2 (0.1 & 0.01µAFS) |
| Sampling rate | 10/50Hz |
| Noise @ 10Hz & 10,000pA F.S. | <5µV(50fA) |
| Auto flame out protection | Yes |
| Thermal Conductivity Detector (TCD) | |
| Interchangeable analyzer & reference columns. Two & 4-filament designs. Built-in filament burn-out protection. Flow regulation by electro-pneumatic controls. Very low baseline noise. |
| Injectors | |
| Inlets available | Split / Splitless with purge |
| Max. Operating temperature | 450ºC |
| Temperature Control | PID type |
| Temp Set-point Resolution | 1ºC |
| Installation Requirements | |
| Dimensions | 79cm x 50cm x 51cm (BxDxH) |
| Power Requirement | 220Vac/50Hz (stabilized) 3KVA max. |
| Operating Temperature | 0ºC to 50ºC |
| Weight | 48kg |
| Electro-Pneumatic Flow | |
| Modes of operation Packed Pressure Controlled Packed Flow Controlled Capillary Pressure Controlled Capillary Flow Controlled Without Split Capillary Flow Controlled With Split |
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| Pressure stability | < 0.005 psi |
| Flow stability | < 0.005 ml/min. |
| Max. Pressure Control Point | 100 psi |
| Max. Flow Control Point | 100 ml/min. |
| Flow/Pressure Programming | |
| Number of ramps & holds | As per user requirement |
| Number of lines Controlled | 5 (packed) & 7 (capillary) |
| Computer Controlled Operation | |
| Number of login levels | 3 |
| Monitoring Resolution : | |
| Flow | 10-6 ml/min. |
| Pressures | 10-6 psi |
| Temperatures | 0.01oC |
| System Noise, Wander, Drift | |
| Background Current | < 8 pA @ 50oC |
| Wander | < 0.5 pA |
| Iso-thermal drift | < 0.1 pA in 1 hour |
| Drift under temperature programming from 50oC to 200oC @ 10oC/min | <2 pA |
| (The drift due to coloumn bleed is much larger.) | |
