Department of Food Engineering
Specification for Tender
Food Engineering Lab (FE/lab1/S.N.)S. NO / Name of equipment / Features / Specifications / AMC / Quantity
1. / Thermal Conductivity Set up (Imported) / Specimen compatibility / For Food Samples and packaging materials (In the form of solids, pastes, liquids and thin films) / 3 year / 1
Standard / ASTM C518 or ASTM E1461 or ASTM E2585
Thermal Diffusitivity Range For Liquid, thin films, pastes
Thermal Conductivity range for Liquid, thin films, pastes / 0.01 mm²/s to 1000 mm²/s
0.1W/(m.K) to 2000 W/(m.K)
Thermal Conductivity range For Solids & Baked materials / 0.002 to 2 W/mK
Accuracy / ± 2 to 3 %
Reproducibility / ±2 %
Temperature range
For solid & baked materials / Minimum should be -30 deg C and Maximum should be 90 deg C or Better for solids.
Temprature range for the liquid,paste & thin films / Minimum should be -100 deg C and Maximum should be 500 deg C or Better for liquid, paste & thin films.
Specimen Sizes/Geometries / 305 x 100 mm for solids
6mm round, 8 mm square, 12.7, 25 mm round for other materials.
Thickness / 0.01 to 6mm or better
Plate Movement in case of solid samples / Automatic & Manual
options – for safety
operations
Chiller Set Point / Automated
Power Supply / 220/240 V AC (50 Hz)
Add on instrumentation kit / Required for Solid Materials.
Heating Rate / Upto 50 K/min for liquid, paste & thin films.
Furnace Temprature Accuracy / 1% or better
Light source for liquid, paste, films / Xenon flash lamp or NdYAG laser
Pulse Energy for of light source required for liquid,paste etc. / Upto 10 Joules/pulse or better
Pulse Width for light source required for liquid ,paste samples / 20 to 1200µS adjustable
Wavelength for light source required for liquid,paste samples / 150 nm to 2000 nm
Pulse Mapping / Pulse mapping should be there for packing materials, pastes etc.
Zooming / The system should have zooming optics for optimized field of view, especially for small samples.
Reference Material / System should be provided with the reference material
Connection Cable / Standard Serial Cable
USB serial converter
Interface with laptop/Computer
Computer / Computer (Dell, HP, Lenovo) windows 7, i5, 15-17 inch screen with printer must be quoted in the bid.
Software / Compatible with Windows 7 32/64 bit, easy export of data to PDF, ASCII, JPG format
Supplied Part / Kits including a measuring unit, software and accessories.
Specific heat for Thin films / The set up should be capable to determine the specific heat for thin film packing material
Warrantee / Minimum 2 year
2. / Twin Screw Extruder / Ø High Shear Twin-Screw Extruder
Ø Ideal Machine for production of RTE Food products, cereals, pulsed, Puffed, Cooked foods, Core filled snacks and Flakes based snacks.
Ø Extruder has barrel and screws fabricated from NITRIDING Steel process feed materials without abrasive materials, either as constituents or as contaminants.
Ø Ideal for lab scale product development, R & D and for practical’s / 2 year / 1
Capacity / Ø Nominal rated capacity of 0.5-10 Kg/hr (Or even higher)(depending upon nature of feed materials and quality of products desired)
Screw Design / Parallel co-rotating segmented/Counter rotating modular
L/D / 40
Screw Diameter / 18-20 mm
Rotational Screw Speed / 0-1200 rpm
Barrel Temperature / 350-450o C (Upto)
Maximum permissible pressure / 250-300 bar
Maximum Torque / 0-40 Nm or Higher
Die / 5 nos. (Different Shapes and diameter)
Control Thermocouples / Minimum 4 or Higher
Heating
Cooling Zones
(Temp Control) / q 3-4 (minimum) numbers of Band Heaters (Heating coils), ceramic insulated for heating 3-4 nos. zones of Barrel including Die.
q Cooling system 2-3 numbers water jackets are provided around the barrel operated by 3 nos. solenoid valves with supply of water.
Power Drive / q Main Mechanical Drive through reduction gear unit and duplex gear powered by 3-16 KW (Maximum) or lower variable speed Motor, driven through frequency converter
q (Drive system – should be imported to change screw speed of the main shaft which can be monitored from RPM Meter/HMI Touch Panel.
Barrel/Screw / Segmented and barrel will be divided horizontally.
Drive / Lab Station
Lubrication / Oil pump forcing lubricate
Cutter / Stellited edge stainless steel cutter assembly powered by variable speed AC Motor, driven through frequency convertor to change the cutter speed which can be monitored from RPM Meter/HMI Touch Panel.
Control Panel / Ø HMI Touch panel (Colour with TFT display)
Ø Ethernet Switch
Ø Compatible with interface with laptop/Desktop.
Body / SS Fabricated Sub-Plate.
Panel Board / Lab Station
Emergency Stop
3-4 nos. Electronic PID Temperature Controller-Indicator with sensor for 3-4 nos. Band Heaters for 3-4nos. heating zones.
Temperature controller-Maximum 8 zones
1 no. Electronic Temperature Indicator with sensor for mass temperature.
3 nos. rpm meters for monitoring the RPM of Main Drive, Feeder & Cutter.
Basic Operator Panel (BOP) to parameterize 3 nos. drive
1 no. meter for display of torque of Main Drive.
Ammeter, Voltmeter, Push-button Switches, Indicating Lamps etc.
Transformer to stabilize control voltage in case of fluctuation of supply voltage. This will safeguard the electrical and electronic components including imported AC drive (Frequency Controller)
Safety / Safety Equipment’s and accessories must be included.
Installation & Trainings / Installation cost will be borne by company & 1-2 days of full trainings will be provided by company engineer free of cost.
Electric & Install Needs / Must be quoted at the time of Bid.
Warranty Minimum 2 years
3. / Rotary Microwave Lab dryer / Type of dryer- Hot air assisted rotary drum dryer
Use- Drying of fruits and vegetables
Microwave power-2 to 3 KW
Installed Hot air power- 3- 4 KW
Total Electrical Installed power-10 KWh
Voltage- 415 V Ac 3-phase 50 Hz
Process time-1 to 3 Hrs
Material Batch size- For 10 -20 kg fresh fruits and vegetables
Rotary drum dimension approximately- 40-50cm dia X 60-70cm length
other features-
1. 3 Multi magnetron system for even energy distribution & uniform heating along with digital energy meter and microwave presence indicator.
2. control on Hot air temperature & microwave (hybrid) for optimum use of energy & Better quality of product . Humidity measurement provision.
3. Digital Temperature controller for hot air system.
4. Digital Timer, pulsating microwave power on/off controller.
5. Air re-circulating type hot air system, with electrical heater, re-circulate fan and duct and air diffusion system.
6. Agitation of material for uniform dehydration.
7. Rotary drum speed digital controller.
Warranty Minimum 2 years / 2 year / 1
4. / Rheofermentometer (Imported) / Rheofermentometer for the measurement of the production and the retention of gas as well as dough development during fermentation in a single instrument.
The instrument should be capable of flours, selection of yeasts, selection of evaluation of additives, selection of ingredients and dough taken from the line.
Fermentation time: 30 min to 24 hours
Temperature: ambient to 50°C
The system should be supplied with standard dried instant yeast, Reference flour, and Maintenance kit.
Warranty Minimum 2 year / 3 year / 1
5. / Refrigerated Circulator (Imported) / VFD COMFORT DISPLAY
Keypad for set points, warning/safety values and menu functions
ICC (Intelligent Cascade Control), self-optimizing temperature control
ATC3 3-Point-Calibration
Pt100 External sensor connection for measurement and control
SMART PUMP, electronically adjustable pump stages
Adjustable pressure and suction pump
Early warning system for low liquid level
Adjustable high temperature cut-out, visible via display
Optional: analogue interfaces
Integrated programmer for 10 program steps
Active Cooling Control
Accessories: Flat stainless steel bath cover with openings + set of rings
Working temperature range (°C) -30 to 150
Temperature control ICC
Temperature stability (°C) ±0.01
Setting / display resolution 0.01 °C
Integrated programmer 1x10 steps
Temperature Display VFD
Heating capacity (kW) 2
Filling volume (litres) 18-20
Warranty Minimum 2 year / Not required / 1
6. / Hot plate / Made of ceramic glass which offers excellent chemical resistance.
· Fixed safety circuit of 550 °C
· Hot Top indicator > hot surface warning to prevent burns
· Exact temperature setting via digital display (LED)
· Bushing according to DIN 12878 for connecting a contact thermometer, e.g. ETS-D5, enables precise temperature control
· Digital error code display
· Elevated control panel for protection against leaking liquids
Heat output 1500 W
Heating temperature range 50 - 500 °C
Heat control LED
Heat control accuracy10 ±K
Set-up plate material Ceramic
Set-up plate dimensions L: 200 -300 mm; B: 200 -300 mm
Voltage230/120/100 V
Frequency50/60 Hz
Warranty Minimum 1 year / 1
7. / Scanning Electron Microscope (Imported) / High-resolution imaging for morphological and compositional analysis of materials such as powder, cross section of biological materials, food and agricultural products / 5 years / 1
Source / Factory Pre centered Tungsten filament
Resolution / 3nm or better at 30kV in High Vacuum mode
4nm or better at 30kV in Low vacuum mode
Acceleration voltage / 0.3 or less - 30 kV
Probe current / 1 pA to 2μA or better
Platform / Suitable Anti-vibration Platform
Specimen type / Suitable for imaging of both non-conducting (without any conducting coating) and conducting biological materials/nanomaterials / coatings / samples with very high spatial resolution and without charging artefacts.
Multi specimen Holder / Multi stub holder > 4 or better,Holders applicable for all types of food samples
Reference Image (Navigation) / 4 or more
Maximum specimen height / 70 mm or better
Pressure Range / 1000 Pa or better
Specimen Chamber / Suitable chamber for accommodating a minimum sample size.
11 ports or more for future upgradation
Specimen stage / 5-axes motorized stage with specimen manipulation in X, Y, and Z- axes along with a Joystick. Specimen tilt: -10° to 80° or better . Rotation: 360°(continuous). Specimen stage movement better than: X = 80 mm or better , Y = 60 mm or better and Z = 50 mm or better . Quick-fit specimen holder for holding at least 4 suitable stubs or better.
Detectors / Secondary Electron image
Back scatter Electron image
Low vacuum secondary electron detector
Microscope should be able to attached various detectors in future for upgradation
Image Processor / Resolution 1280X960 pixels or better Continuous averaging for up to 256 frames. Line averaging up to 256 lines. Pseudo color displays. Image post-processing.
Output file formats: TIFF, BMP, JPG.
Images should also be recorded to movie format (AVI).
Vacuum system: (Oil Free) / Fully automatic vacuum system consists of Turbo molecular pump, dry rotary pump, Ion pump in appropriate quantity with suitable accessories for generating vacuum level in microscopic column, source gun chamber and specimen chamber; Computer controlled with pneumatic valves full safe protection.
Image display / 19 inch flat panel LCD monitor for image displayed at 1280X960 pixels or better, configurable for single frame display or 4-quadrant display.
Latest MS Windows based system (graphical user interface, key board, optical mouse).
Comprehensive image annotation facilities with desirable fonts and colors.
Computer control system / A 64 bit graphical user interface with Windows compatible latest Version, 1TB HDD, 8GBRAM, port for internet connectivity
Microscope control software, storage of images on USB and DVD in various formats (.TIFF, JPG, BMP, etc.).
The microscope should be controlled from Windows graphical user interface running at a 1280х1024 screen resolution.
The workstation should include a 19” LCD monitor, and standard keyboard and optical mouseAnd track ball or Joystick for sample stage movement
Printer / Laserjet color printer with a minimum resolution of 1200-2400 dpi for image and report printing suited for A4 size paper/ photographic paper with driver CD.
Camera / Camera (IR-CCD) or suitable device to view the sample and stage inside the chamber.
Sputter coater / Standard specimens and Specimen preparation kit
Sputter coater system should be able to sputter samples with carbon and gold for SEM examination with all necessary rotary pump, starter kit for sample preparation, list of spares, power requirements.
(Input): 230V AC, 50/60Hz and necessary requirements and consumables for minimum one year when ever required.
Along with the coater, 2 nos of extra Gold-Palladium targets and 2 meter of carbon fiber should be provided. STEM grid, Carbon Tapes-50 meters, Holey carbon coated copper grids-200 Nos and plasma cleaner to be provided.
Silver paste-50 grams should be provided.
The power requirements and gas requirements of sputter coater must be mentioned in the bid/offer.
Power requirements and Backup / 10 kV UPS with 2 hrs battery back-up for maintaining the vacuum and electron gun and Power requirements as per Indian Electrical Standards.
Compressors / Suitable compressor for the operation of pneumatically operated vacuum valves and microscope’s leveling system.
EDS: The EDS system should be compatible with the above mentioned SEM for microanalysis with following features:
Detector / EDS detector should be dry SSD
Resolution: / ≤135.0 eV or better, measured at Mn Kα.
Integration Kit / Integration kit for EDS to the microscope. Acquisition electronics kit.
Analysis of all elements including light elements beryllium to Uranium.
Standard 64 bit window 7 operating system.
Ability to carry out qualitative and quantitative analysis for material characterization.
Comprehensive quantitative analysis software. Correction methods for quantification under low vacuum.
Spare Kit / Spares kit for minimum 5 years maintenance.
Utility Requirements / 100 – 240 V, 50 or 60 Hz single phase, no water
cooling requirement (Indian System)
Software / Life time free Original licensed software for the comprehensive operation of the microscope, computer, motorized stage / stage control, CCD camera and vacuum interlocks. Software for acquiring BSE and SE images. The software should be embedded in the microscope control software.
Image analysis software for volume fraction calculations, measurement of layer thickness, etc.
Latest version of Microsoft Office utility.
Safety devices / Devices for protection against vacuum, water, power, nitrogen gas pressure failures and ground fault.
Calibration / Standard samples to check system calibration i.e magnification etc should be supplied along with the system.