tender for procurement of laboratory instruments in the physics department of maulana azad college, kolkata , poiseuilles apparatus for viscosity of water measurement capillary tube of length 50cm and bore diameter 1mm. complete set with an additional specimen capillary tube of the same bore diameter , complete setup of jollys apparatus with mercury complete set with 1kg of mercury , power supply with analog panel meter 0-30v (variable), 0-5a (variable) , ballistic/ deadbeat galvanometer deadbeat galvanometer (darsonval type) , compact experimental setup for newtons ring experiment radius of curvature of plano-convex lens 120/100 cm , experimental setup for laser diffraction using grating: source and detector attached to the spectrometer number of rulings 5000/7500 lpi , experimental setup for fresnels law verification with polarizer and analyzer polarizer and analyser should be with circular scale and pointer to be fitted with telescope and collimator , trainer kit to study series/ parallel lcr circuit characteristics digital meters for measuring input frequency and voltage, rms output voltage, 3 nos. l, 5 nos. c and 5 nos. r values suitable for resonance. values to be mentioned. two sets of connecting wires with connectors , plancks constant experimental setup by the photoelectric effect photo current variation with input intensity; 5 different colour glass filters with specification of wavelength. fitted on optical bench , plancks constant experimental setup with leds 5 different leds with the specification of wavelength , e/m determination experimental setup with bar magnet complete setup with two additional set of bar magnets (5cmx2cm alnico) , stefans constant determination experimental setup complete set with torch bulb and power supply , apparatus for the study of ntc thermistors and the design of a temperature controller using a relay complete set with heat bath and thermometer , dielectric constant measurement setup of a solid with (i) frequency variation, and (ii) temperature variation capacitance measurement from 1-50khz. dedicated schering bridge with built-in oscillator. computation of dielectric constant and loss factor. samples of barium titanate, mlcc and conventional capacitor. temperature variation studies with additional equipment oven and controller. temperature range ambient to 600° c. power supply 100-240vac; 50/60hz. display method 7 segment led display [processing value (pv) :red, setting value (sv) :green]. input sensor thermocouple (chromel - alumel). control method pid, on/off control, p, pi, pd, pidf, pids. display accuracy ± 0.3%. setting type setting by front push buttons. proportional band (p) 0 to 100.0%. integral time (i) 0 to 3600 sec. derivative time (d) 0 to 3600 sec. sampling time 0 to 120 sec. sampling time 0.5 sec. setting (p, i & d) manual / auto , dielectric constant measurement setup with rejecter circuit (solid and liquid) samples glass, bakelite, teflon, pzt sample (lead titanate), carbon tetrachloride liquid. solid samples with 3 different thicknesses for each , hall effect measurement setup electromagnet with power supply, hall probe, digital gaussmeter, semiconductor sample (ge, si) , resistivity of semiconductor by four-probe method at different temperatures and determination of band gap (advanced model) complete setup; oven and controller. temperature range ambient to 600°c with digital meter for temperature measurement , digital balance for guoys method of susceptibility measurement capacity : 40gms. readability : 0.0001gms. repeatability : (+/-) 0.1mg. linearity : (+/-) 0.2mg. pan size : 80mm. standard bidirectional rs-232 interface. complete with weigh below hook , experimental setup of the franck-hertz experiment franck-hertz unit with plate current display: 3½ digit led, plate voltage: 1.2-12v (3½ digit led), screen grid (g2) voltage: 0-80 (3½ digit led), control grid (g1) voltage: 0-10v (3½ digit led), filament voltage: 0-9v (3½ digit led), tube connection: 4mm socket, voltage inputs from dac1: 4mm safety socket, voltage output 10v: 4mm safety socket, current output 100na: 4mm safety socket, manual or data logging mode with current gain & offset adjustment knob. data logger - input channels: 4, 6pin bituminous (british telecom), input channels resolution: 12-bit adc @ 100 ksps, analog input: 0-5v, output channels: 12-bit dac, analog output: ± 12 v max 10 ma, current booster: up to 1 a, power connector: 3pin din with usb communication. power supply for data logger - input voltage: 220v, 50hz ac, output voltage: ± 12 v, 3pin din. neon tube with mount - filament voltage: 6 - 9 v, control voltage: 9v, accelerating voltage: maximum 80 v, counter voltage: 1.2 -10 v, connection out: 4mm safety socket, connection in: 4mm, plug tube: 130 x 26 mm dia. current sensor - current sensor: ±100na, connection out: 4mm safety socket, connection in: 6pin bituminous (british telecom). voltage sensor- voltage sensor: ±10 v, connection out: 4mm safety socket, connection in: 6pin bituminous (british telecom). flexible plug lead red: 2, flexible plug lead black: 3, flexible plug lead yellow : 1, usb cable : 1 , software cd disc : 1, power cord : 2 , study of active filters using a dds function generator frequency response studies of various active filter circuits using operational amplifiers type-741. includes: lead/lag compensator, low/high pass filter, band pass/band reject filters, all pass filter, twin-t (notch) filter, adjustable q notch filter. all necessary components are available on the panel. built-in power supply. patch cords and detailed user manual included. accessory required - (i) function generator (ii) dual trace oscilloscope , experimental setup for the determination of the characteristics of photo devices complete experimental set , determination of lande g factor using electron spin resonance spectrometer complete experimental set , fourier analysis kit (without cro) complete experimental set , lattice dynamics kit with frequency meter complete experimental set , fibre optics kit full duplex analog & digital trans-receiver. single module covering large number of experiments including experiments with optical power meter. 660 nm & 950 nm fiber optic led channel with transmitter & receiver. laser source (optional) in lieu of led source. am-fm-pwm modulation / demodulation. pc-pc comm. with usb ports & software. on board function generator. crystal controlled clock. functional blocks indicated on-board. input-output & test points provided. on board voice link. built in dc power supply. numerical aperture measurement jig and mandrel for bending loss measurement. data generator with selectable clock (64/ 128/ 256 khz). noise generator with variable gain. eye pattern observation and bit error rate measurement. four digits bit error counter. switched faults on transmitter & receiver , ultrasonic interferometer for liquids and solids for measurement of the velocity of sound waves complete experimental setup please enable macros to view boq information