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SCHOOL OF ENGINEERING COCHIN UNVERSITY OF SCIENCE AND TECHNOLOGY DETAILED SPECIFICATION FOR PROCUREMENT PLANS 1. Package No.14 Procuring Department: Electrical & Electronics Engg. Package Name : EE-MEASUREMENT AND CONTROL STUDY KIT Sr. No Item Name Specifications 1 AC Servomotor 2 Autotransformer 3 Brushless DC Motor Central zero Ammeter A.C. SERVOMOTOR STUDY KIT COMPLETE SETUP: Experiments Inertia and friction parameters, Time constant, Transfer function Specifications: 2-phase a.c. servomotor - 12V/ 50Hz per phase , Small generator for loading ,speed display, time constant display, voltmeter, ammeter, Voltage regulated internal supplies, Detailed literature with sample results AUTO TRANSFORMER THREE PHASE INPUT - 415V AC OUTPUT – 0 – 470 V Double layer dimmers, 8 AMPS WITH CASTER WHEEL Brushless D.C Motor Operating Voltage: 12V DC/24V DC, 2700 rpm, 700 mA Central Zero Ammeters Specification : Moving Coil, DC Portable, Single Range - 10-0-10A D.C. SERVOMOTOR TRAINER Experiments: Torque-speed characteristics, Inertia and friction, Parameters: Back e.m.f. constant, Time constant, Transfer function. Specifications: Study of a 12V/30V, 8W d.c. motor Electrical/Spring Balance loading, speed display, time constant display, voltmeter and ammeter, IC regulated power supply, Supporting literature with experiment details. Digital fequency Meter Microprocessor based, 4 Digits LED Display, Input 50 500V, Measuring range 0 - 999.9 Hz. DIGITAL LCR METER Inductance: 2mH20H Capacitance: 2nF-100uF Resistance: 200 ohms-20M Ohms LCD Display. 4 5 DC Servomotor trainer 6 Digital Frequency meter 7 Digital LCR meter Last date of Bid Invitation 04-Sep2012 Bid opening date 05-Sep2012 12 noon 8 Digital Multimeter 9 Displacement measurement Module 10 Earth Megger Set 11 Kelvin double bridge 12 LDR Trainer 13 Level Control Study Kit DIGITAL MULTIMETER General purpose 3-1/2 Digits, Backlit LCD, Data Hold, AC Voltage, DC Voltage, AC Current, DC Current, Resistance, Capacitance, Temperature, Diode and Continuity Test Specifications DC Volts - 200mV - 1000V , AC Volts 200mV 750V, DC Current 2mA - 10A , AC Current 2mA - 10A Resistance 200 Ohm - 200MOhm, Capacitance 2nF - 200uF Diode & Buzzer, Transistor hFE Test Accuracy: ± (% reading + NO. of digits) L.V.D.T. Trainer module to measure displacement +/-10mm, or 0-20mm Specification LVDT Range: ± 10mm Micrometer : 0-25 mm Indicator : 3 -1/2 digit to read upto ±10mm Resolution: 0.1mm Earth Meggar Set 0 - 10 / 100 / 1000 Ohms, 4 Terminal with Testing Kit and Cables in hard carrying case , LCD with dual display, Re-chargeable batteries and Battery Charger / Set Kelvins Double Bridge: The variable standard resistance 10 steps of 0.01ohms each arranged on a rotary switch. Circular slide wire of 500 divisions and a total resistance of 0.01 ohms in series with ten steps. Maximum current - 10Amps. Accessories A DC Power supply 0 - 10 A Continuously Variable , sensitive Spot Galvanometer to serve as null detector. LDR Trainer Module to study the LDR charecteristics. Specification: LDR: 10 K Ohms, Bulb: 12 V bulb, Displacement: 30mm, Indicator : 3-1/2 digit display to read upto 30m with variable voltage source to the bulb. Level control Study Kit setup using PID Controller, table top model with I to P converter, Rota meter, 100 LPH external supply, electronics panel (ADC/DAC card with RS-232 interfaces ), PID Control settings, Data storing, Online data acquisition, off line analysis, Printing of data. 14 Level Measurement Trainer 15 Lux Meter 16 Permanent Magnet Synchronous Motor Piezo Electric Trainer 17 18 19 20 21 22 Level measurement Trainer Specification: Table top Model Level Sensor: Load cell / Capacitance Max. Level : 50 cms Pump : FHP vertical pump Digital indicator: 3-1/2 digita LED display to read level in cms. DIGITAL LUX METER Up to 200000 Lux/ Ft Candle with PeakHold and Data Hold Range: 200lux, 2000lux, 20klux, 200klux, 200fc, 2000fc, 20kfc, 200kfc .Resolution: 0.1lux, 0.1fc Permanent Magnet Synchronous motor 0.1 to0.5 kW, 4 /6P Piezoeletric Trainer Specification: Piezoelectric Transducer: 1000 Pf Piezo crystal Indicator: 3-1/2 digit display to read impact force. Potential Potential Transformer Rating: Transformer 80,50,40,20,10,5,2.5 VA at 08pf Potentiometer(Cro Potentiometer (Crompton) Direct mpton) reading 0.0005 to 1.75 volts Circular slide wire 250 parts with potential of 250 millivolts, Fine and coarse Rheostats: 0 to 1.75 volts, Reflecting galvanometer, volt ratio box, electronics std. cell, constant voltage source. Potentiometer(Slid Potentiometer (Slide Wire): DC Slide e Wire) wire potentio meter with 2 ranges, main dial of 17 steps of 0/1V each. Circular dial of 500 divisions, Electronic Std Cell of 1.0180V, 2V, Fixed stabilized power supply. Volt Ratio box to extend the range to 300V, Spot Reflecting Galvanometer. Power factor Power factor meter meter Electrodynamometer type One current : 0.5 to 20A , One potential : 0-50 To 600V Two element for 3 phase 3 wire balanced and unbalanced load power factor meter 0.5 to 30A current and 050 to 600V potential Pressure Control Pressure control Study Kit setup using Study Kit PID controller, table top model with I to P converter, electronic panel (ADC/ DAC card with RS-232 interfaces) and PID 23 24 Reluctance Synchronous Motors Rheostat 25 Servo Motor(AC) 26 Servo Motor(DC) 27 Speed Measurement Trainer 28 Stepper Motor Study Kit 29 Synchro Transmitter Control settings, Data storing, Online data acquisition, off line analysis, Printing of data's . Reluctance Motor .1 to o.5kW, 4/6/8P Rheostat Single tube open type Rheostats. Temp. Rise 250 degree C ±10% 10% + ambient. Accuracy - 5% to + 10%. Range : 1.1 Amp. 370 Ohms. SERVOMOTOR (AC) 2-phase a.c. servomotor - 12V/ 50Hz per phase Small generator for loading D.C. SERVOMOTOR 12V, 8W d.c. motor Small generator (2W) for speed pick up and loading Speed Measurement Trainer Specification: Speed Sensor: Photo Reflective & Magnetic Pickup Motor: 12 V FHP DC motor Speed controller: Variable DC power supply 12 V Indicator: 4 digit display to read upto 1500 RPM STEPPER MOTOR STUDY KIT Specification: Stepper motor operation through pulse circuit, Stepper motor operation through 8085 kit. Built-in programs in EPROM, Dynamic response study, Single stepping and free running modes of operation with speed variation and direction reversal - internal TTL circuit. Servo Potentio-meter Operation through micro-processor kit, Stepper motor specification Torque: 2.8 Kg-cm Step angle: 1.8° Power: 12V, 1A/phase 220V±10%, 50Hz mains operation, Complete in all respects, except a measuring CRO uP kit -High performance 8085A CPU operating at 3MHz 4K powerful monitor FIRMWARE in 2732. Keyboard/Display controller using 8279, Serial I/O lines, 22 parallel lines from 8155 and 24 from 8255 Built-in audio cassette interface, 6 digit seven segment LED display, Power Supply: Built-in in the Stepper Motor Unit. Synchro Transmitter and Receiver Specification: 30 Tacho meter 31 Temperature Measurement Module 32 Torque Measurement Trainer 33 Variable Inductor 34 Wheatstone Bridge Input voltage: 230V Output Voltage: 50V AC Input current: 0.5A Output current: 1A Inbuilt power supply Tachometer Specifications Non- contact, Digital Display, Quartz crystal controlled time base. Temperature Measurement Trainer Specification: Temperature Range: 0 to 100 degree C, RTD : Pt-100, Thermocouple : Fe/ K (j-type) Thermister: 5/10 K Ohms (NTC- type) Temperature Source: Electric kettle Source measurement: Glass bead mercury thermometer Indicator: 3-1/2 digit display to read temeprature Torque Measuring Trainer Specification: Torque Cell: 1 Kg-M Capacity Loading: L- angle 1 m length fulcrum arm Weights: 100 gms x 10 Nos Indicator : 31/2 digita display to read upto 1 Kg -m Resolution: 0.01 kg-m Variable inductor. 3 Phase continuously variable Inductive Load, approx. 10A, 415V Inductive Load Variable suitable for operation on 415/440 V AC, 50 Hz, Capacity 0-10 Amps Portable Wheat Stone Bridge Multiplying factors of .001, .01, 1.10,100 and 1000, Murray test, Manganin wire. Accuracy of coils: 0.1%. 2. Package No.23 Package Name : Compactor and Vane shear Procuring Department: Civil Engineering Sr. Item Name No Specifications 1 Automatic compactor for bituminous mixes Drive mechanism to lift the weight of 4.5 kg capable of ping through a height of 457 mm. Rammer foot is removable which facilitates preheating, Automatic blow counter to enable the number of blows to pre set and automatically stops the machine on completion. Suitable for operation on 230V,50 Hz, single phase, AC supply. Automatic Compactor (bituminous mixes) Last date of Bid Invitation 03-Sep- Bid opening date 04-Sep2012 2012 12 noon 2 Automatic compactor (soil) 3 Consolidation test apparatus 4 Lab Vane Shear test apparatus 5 Pavement intensity Test Apparatus 6 Tar Viscometer Automatic Compactor of soil - Motor driven mechanical compactor for soil compaction in 100mm or 150mm diameter with presetable numer of blows per layer Rammer should have circular faced 50mm diameter, adjustable to 2.6 kg or 4.9kg weight, with adjustable to 310mm or 450mm. Mild Steel compaction moulds for light and heavy compaction as per IS 2720 (Part 7& 8) Suitable for operation on 220V,50 Hz, single phase, AC supply Consolidation test apparatus - Consolidation apparatus three gang, Bench Model, Analog type consist of 3loading units mounted on a single bench model frame, suitable for testing specimens of varying size from 50mm diameter to 100mm diameter as per IS 2720 (Part- XV) 3 nos Fixed ring type consolidation assembly for testing 60mm dia x 20mm thick specimen.( Complete set including guide ring, 2 porous stones, perforated pressure pad, channeled base, gasket and flanged water jacket, 3 water reservoirs with plastic tube, T- connection and a pinch cock.) Standard set of weights to give a total pressure of 10kg/cm2 (comprising of assorted weights) 3 nos. of dial gauges 10mm travel with 0.002mm least count. Lab Vane Shear Test apparatus - Conform to IS 2720 (Part 30) Consist of a n Electric Motor adjustable in height to enable the vane to lower in the specimen. With a calibrated torsion spring to give a rotation of 0.1º/ sec, Rate of rotation 1/60rpm, Vane as per IS, suitable for operation on 220V , 50Hz, single phase AC supply. Graduate dial to measure angle of torque. Pavement intensity test apparatus - Digital type with load cells LVDT with digital indicator capacity 100 kN. Max vertical distance between the plates 200 mm, allowed overload 30% , speed of piston: High: 50.8mm/min, Low: 1mm/min., 100 kN axial load having two speed of loading ( capable of adjusting with the help of a mechanical lever) Accessories to perform thermal stability of bituminous material. Tar Viscometer- Electrically operated single phase Ref: standards: IS1206,IP 72,STPTC,RT2,RT3, BS2000 (part 72) For 7 determining the viscosity of cut back bitumen and road oil. The viscometer with copper bath with drain valve and a central tube to receive the test cup and to position the stirrer. Stirrer has a curved shield with an insulated handle, thermometer socket and swivel support for the valve. To be supplied with 10 mm cup and ball valve. Electrical heating with immersion heating elements and Dimmerstat for controlling temp. Thermometer of range: 40° to 85° C is to be supplied. Accessories with container 3 nos. Set of 4 Springs of capacity to 2kg-cm, 4kg-cm,6kg-cm and 8kg-cm Universal Universal Penetrometer; Ref: standard: IS: Penetrometer 1209, IS1448 (part60), IS1203, ASTMD5, with ISO2137. Penetrometer supplied with a penetration plunger weiging 47.5 gram for testing kit bituminus product, and with 50 gram and 100 gram weights, including cone and penetration unit. in-built timer to control duration of penetration preset for 5 seconds and to be provided with levelling screws, penetration needle, transfer dish and aluminium sample containers (set of two). 3. Package No.25 Package Name : Theodolite and Auto level Procuring Department: Civil Engineering Sr. Item Name No Specifications 1 Automatic Level -Magnification minimum 24 x, Accuracy 2 mm for 1 km double run, Compensator with magnetic damping system, Tripod Aluminium telescope Staff 5 m 5 section Minimum focus 0.3 m Automatic level with digital display - 05-SepMagnification 20 x , Height measurement +/2 mm at 30 m, Measuring range 2 to 50 m 2012 Rechargeable cable with charger Rechargeable Battery : 2 no. Operating time100 Hrs/20,000 points, Bar coded staff – 1 no. Aluminium TelescopeTripod -1 no. Digital Theodolite - Accuracy 2 sec, Least count – 1sec, Display 2 sides, Magnification 30 X , Tripod – heavy aluminium Auto Level Auto level with digital display Digital Theodolite – accuracy 2” Last date of Bid Invitation Bid opening date 06-Sep2012 12 noon