supply of digital ammeter suitable for secondary 1-5amp, range 0-1200amps, 3phase digital voltmeter suitable for 33kv/110v, 3 phase tnc switch suitable for ht breaker, 3 phase.

supply of equipment for physics department-1 apparatus for measuring voltage and frequency using cro. ? 20mhz dual trace dual channel 1mv sensitivity ? crt type: 6-inch rectangular with internal graticule 8x10div (1div=1cm). ? bandwidth :x1 - dc (ac 10hz) ~20mhz (-3db) ? mode:ch1,ch2,dual(alt/chop)add,ch2 inv 01 2 apparatus for magnetic susceptibility of solids using gouy’s method. ? scientific balance capacity: 200 gms ? sensitivity:1/10mg. by vernier, ? beam : hard bronze/ brass, arrestment circular, ? falling away type, air damping very quick and positive, beam coming to rest in 2-3 sec, ? electromagnet : magnetic field 20kg at 6mm air gap energising coils two of approx. 13w ? power: 0-90vdc, 3a, for coils in series, 0-45vdc, 6a, for coils in parallel ? constant current power supply, ? field intensity 11kg at 10mm air-gap with flat pole pieces ? energising coils two, each having a resistance of about 12w, ? power requirement 0-90vdc, 3a, if coils are connected in series 0- 45v dc, 6a, if coils are connected in parallel 01 3 apparatus of planck’s constant using leds of 4 different colors. ? selector switch : v-i and t-i experiment selector switch at v-i position :- ? voltmeter andcurrent display: 3½ digit, 7segment, ? voltage range : 0.000-2.000v, current range : 0-2000ma selector switch at t-i position :- ? current display : 3½ digit, 7segment led ? current range : 0-20ma ? temperature display : 3½ digit, 7segment led ? temperature range : room temperature to 60.0°c ? oven , oven connector : 5 pin, din type ? led connector : 3 pin, din type oven with temperature sensor ? heating element : 20 ohm, oven connector : 5 pin, din ? ambient temp. : 60° c, temp. sensor : pt100 ? output pin : heater pin 4 and 5.,temperature pin 1 and 2oven connector : 5 pin, din ? ambient temperature : 353k,temperature sensor : pt100 output pin : heater pin 4 and 5. temperature pin 1 and 2 01 4 apparatus for magnetic field using search coil with rail bench. power supply- voltage : 0-16v dc continuously variable and stabilized current 5 a , display : 3½ digit led, ripple : less than 25mv overload : protection, continuously variable, 10% to full rating working voltage : 230v ac, 50 hz single phase gauss meter with axial probe- digital range : 200 gauss and 2 k gauss resolution : 0.1gauss at 0 - 200 gauss, offset : by potentiometer to set zero axial hall probe :inas, display : 3½ digit led base for helmholtz coil and coil sets: coil: dia=150mm, n=390, current: 1a(max.), connection : 4mm safety socket, material : copper base for helmholtz coil - u channel dimension : 350x210x25mm scale : 0-22cm, least count=1mm, material : aluminum u rail with rider-u rail dimension : 725x60x15mm, scale : 0-50cm,lc=1mm, rider : 60x60mm (lxw), material : aluminium support base and support rod, deflection compass with basecompass box: 100mm dia., rider : 150x60mm (lxw), material : aluminium 5 apparatus for specific rotation of sugar solution. polarimeter tube: ? length :200mm with central bulb, metallic cap andcover glasses packed in a velvet case sodium light source: ? starting voltage : 470 volts, input voltage : 220v,50hz, lamp house ; 300x85mm(lxw), laurent’s half shade- circular scale :0°-360°, least count :1°, vernier reading :6 min 6 apparatus for band gap in a semiconductor using pn junction diode. ? selector switch : v-i and v-t experiment, bias and junction ? voltmeter and current display : 3½ digit, 7segment led ? voltage range : 0.000-1.999v and current range : 0-20ma ? display : 3½ digit, 7segment led ? selector switch at v-t position/junction :- ? voltage range : 0.000-1.999v ? temperature display : 3½ digit, 7segment led ? temperature range : 273k to 353k ? oven : heater pin 4 and 5. temperature pin 1 and 2 ? oven connector : 5 pin, din type ? diode andtransistor : 4mm safety socket ? input voltage : 220v, 50hz ac ? temperature sensor- ? heating element : 35 ohm ? oven connector : 5 pin, din type ? ambient temperature : 353k ? temperature sensor : pt100 output pin : heater pin 4 and 5. temperature pin 1 and2 13 7 astable, bistable and monostable multivibrator apparatus. ? dc supply : 5v, ic : ne555, ? led indicator : 2nos ? resistor : 100k?-2nos,10k?-2nos,1k? ? capacitor :1?f,0.1?f-2nos,0.01?f-2nos,10?f ? variable resistor : 5k? 8 apparatus of wien bridge oscillator for a frequency using an op-amp. ? dc supply: +5v ? bjt:cl100s ? resistor : 4.7k?,100k?,6.8k?,3.3k?,680o,10k? ? capacitor:0.01?f,0.047?f,0.2?f ? front panel built with high class insulated sheet ? circuit and symbol diagram printed on front panel ? mains power :230v/50hz 9 apparatus of phase shift oscillator using bipolar junction transistor. ? dc supply:+5v ? bjt:cl100s ? resistor:4.7k?-3nos,47k?,10k?,2.2k?,680o ? capacitor:0.1?f-3nos,1?f,22?f ? interconnection:2mm patch cord ? front panel built with high class insulated sheet ? circuit and symbol diagram printed on front panel ? mains power :230v/50hz 10 apparatus of a precision differential amplifier of given i/o specification using op-amp. ? dc supply :+12v and -12v fixed ? dc supply : 0-1v variable -2nos ? voltmeter : 0-1v (moving coil)-2nos ? voltmeter : 0-10v (moving coil) ? resistor : 1k?-2nos,10k?-2nos ? opamp-ic741 ? interconnection:2mm patch cord ? front panel built with high class insulated sheet ? circuit and symbol diagram printed on front panel 14 11 apparatus using op-amp as an integrator and differentiator. ? dc supply: +12v and-12v fixed ? ac signal:10khz ? ac voltage:1v ? opamp-ic741 ? resistor : 1k?,10k?-2nos,100k?-2nos,1m?,10m? ? capacitor:0.01?f-2nos,100pf ? interconnection:2mm patch cord ? front panel built with high class insulated sheet ? circuit and symbol diagram printed on front panel ? mains power :230v/50hz 12 apparatus for e/m by thompson method ? cathode ray tube, power supply for cathode ray tube ? stand for crt, compass ? compass stand, bar magnet 13 apparatus for verifying richardson’s t 3/2 law. ? dc supply :0-250v,vacuum diode ? dc voltmeter : 0-6 and 0-150v (moving coil) ? dc ammeter: 0-600ma and 0-30ma (moving coil) vacuum diode : ez80, variable pot:2nos 14 apparatus of junction diode rectifier and filter characteristics (with ac milli voltmeter) ? mains transformer, secondary center tap 10v-0-10v at 100 ma. ? digital dc ammeter 3½ digit range 0-200 ma ? digital dc voltmeter, 3½ digit range 0-20v/200v. ? four silicon junction diodes, filter choke. ? adequate no. of other electronic components. ? mains on/off switch, fuse and jewel light. ? the unit is operative on 230vac ±10% at 50hz. ? adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length 50cm. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/observation of waveforms. ? strongly supported by detailed operating instructions, giving details object, theory,design procedures, report suggestions and book references. ? weight : 3100 kg. (approx.), dimension : w 340 x h125 x d 210 15 apparatus of geiger counting system (microcontroller based). 20 x 2 lcd dot-matrix display for counts, elapsed time and hv, single board design approach, counts capacity 999999, preset time 9999 s, variable hv (0- 1500v), 1ma, built –in parallel port for direct data printing, built –in serial port for data downloading into pc, store and recall facility for data counts. 16 apparatus for studying brewster’s law. ? incandescent bulb with house on stand. ? polaroid mounted on a graduated circular scale 360° which can the mounted on telescope by the help of three screws. ? prism: optically worked with two faces polished, equilateral size 38mm x 38mm. ? spectrometer standard:6" dia circle reading 30 seconds with telescope and collimator, diffraction grating stand. prism table provided with three leveling screws and is engraved with concentric rings and lines. ? reading lens: 40/50 mm diameter with handle. ? spirit level : 60/80 mm length, weight : 10.4 kg. (approx.) ? strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. 17 apparatus of fabry-perot interferometer. ? fabry perot etalon ? spectrometer standard:6" dia circle reading 30 seconds. ? sodium light source: 35watt complete set. ? optical slit: optically true, precision ground stainless steel jaws. ? reading lens: 40/50 mm diameter with handle. ? spirit level: 60/80 mm. length. 18 apparatus of hartley oscillator with digital frequency counter-dfc-20m. the board consists of the following built-in parts: ? -9v dc at 50ma, ic regulated power supply internally connected. ? pnp transistor. ? variable gang condenser. ? adequate no. of other electronic components. ? mains on/off switch, fuse and jewel light. ? the unit is operative on 230vac ±10% at 50hz. ? adequate no. of patch cords 4mm length50 cm. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections / observation of waveforms. ? weight : 2.00 kg. (approx.) ? dimension: w 340 x h 125 x d 210. 19 apparatus of determining parameters of transistor with vtvm-vtv-10. the board consists of the following built in parts: ? 0-2v5 d.c. at 100 ma, continuously variable power supply. ? 0-9v d.c. at 100ma, continuously variable power supply. ? digital current meter dc 3½ digit having range 0-20ma ? 1 khz sine wave source with variable output level 0 - 1v. ? pnp germanium transistor ? adequate no. of other electronic components. ? mains on/off switch, fuse and jewel light. ? the unit is operative on 230v ±10% at 50hz ac. ? adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length 50cm. ? good quality, reliable terminal/sockets ? weight : 3.400 kg. (approx.) ? dimension : w 340 x h125 x d 210 20 apparatus of esr spectrometer. ? fet based marginal r.f. oscillator. ? digital display of frequency. ? excellent peaks display. ? digital display of helmholtz coil current. ? phase shifter. ? 50hz sweep unit. ? compatible with general purpose cro in x-y mode. 21 apparatus for rydberg constant. ? spectrometer standard: 6" dia circle reading 30 seconds with telescope and collimator, diffraction grating stand. prism table provided with three leveling screws and is engraved with concentric rings and lines. ? diffraction grating: hilgerand watts type, 15000 line per inch/6000 lines per cm. ? hydrogen spectrum tube: high intensity, with stand having back reflecting surface. ? transformer: high voltage, for hydrogen spectrum tube. ? reading lens: 50 mm diameter with handle. ? spirit level : 60/80mm length ? weight : 13.4 kg. (approx.) ? dimension: w 145 x h 140 x d 200. 22 apparatus for e/m measurement by braun tube. cathode ray tube, high voltage power supply for c.r.t. and d. c. volts for deflection of electron beam, voltmeter to read voltage, three wooden stands, magnetometer, bar magnets and centimeter scales, power requirement: 230v ± 10% at 50 hz a.c. mains, strongly supported by detailed operating instructions. 09 weight : 9 kg. (approx.), dimension : w290xh160xd230, tube is mounted on a wooden stand which has a grove cut at its bottom to fit into another stand with platform for placing two bar magnets. the third wooden stand provides a platform for magnetometer for measuring the magnetic field along with the axis of the cathode ray tube. cathode ray tube characteristics: cathode:unipotential oxide, heater voltage: 6.3 volts ac or dc. heater current :0.6 ± 0.06 amp, focusing method:electrostatic, deflection method: electrostatic, phosphor fluorescence : green, persistence : medium 23 apparatus for e/m measurement by magnetron valve. ? one board consisting of following built-in parts: a valve with 8-pin base fixed on panel and wired internally, 6v3 ac at 1 amp. for filament, regulated power supply 0-10v for plate voltage, constant current source 0-2amp for solenoid with coarse and fine adjustment, digital voltmeter, 3½ digits having range 20v dc for plate voltage. digital ammeter, 3½ digits having range 2 amp. dc for solenoid, digital milliammeter, 3½ digits having range 2ma dc for plate current. ? solenoid: for magnetic field, mains on/off switch and fuse. ? adequate no.of patch cords stackable 4mm spring loaded plug length ½ metre. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections / observation of waveforms. ? weight: 7 kg. (approx.), dimension: w 290 x h 160 x d 230. 24 apparatus for pe hysteresis loop of ferroelectric crystal. ± 12v d.c. at 100ma, ic regulated power supply, 10, 22, 35, 50, 65, 75, 90, 105 and 120v a.c. power supply at 1.5amp. 3½ digits digital panel meter to read magnetic field in gauss, a solenoid with former fitted on the platform for producing magnetic field, a pick up coil wound on former and fixed on acrylic fixture for picking up magnetic field for hysteresis loop, two helical potentiometers to vary continuous area ratio and demagnetisation, two band switches to select different flux density (b) and magnet field, two amphonel connectors, one for solenoid to give voltage and another for giving input from pick-up-coil, three potentiometers, one each to vary continuous phase, h. balance and d.c. balance, three 4mm terminals for hysteresis loop measurements, three samples, one each of commercial nickle, soft iron and hard steel. 25 apparatus for characteristics of fet amplifier. ? 0 to 20v dc at 50ma, continuously variable power supply. ? 0 to 12v dc at 50ma, continuously variable power supply. ? two digital voltmeter dc 3½ digit having range of 0- 20v. ? digital current meter dc 3½ digit having range of 0-20ma. ? field effect transistor. ? adequate no. of other electronic components. ? mains on/off switch, fuse and jewel light. ? the unit is operative on 230vac ±10% at 50hz. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. 26 apparatus for amplitude modulation and demodulation with af generator. ? +9v d.c.at 100ma, ic regulated power supply internally connected. ? carrier generator circuit, which generates carrier wave. ? 1hz to 1khz sine wave oscillator, modulating circuit based on two transistors, demodulating circuit, adequate no. of other electronic components, mains on/off switch, fuse and jewel light. ? the unit is operative on 230vac ±10% at 50hz. ? adequate no. of patch cords stackable from rear both ends 2mm spring loaded plug length 50cm. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections and observation of waveforms. 27 apparatus of different logic gates. ? to study the or, and and nand logic gates and to verify the truth tables. ? to make various logic functions (or, nor, not, and and ex-or gates) by using nand gates and verify their truth tables. 28 apparatus of bar pendulum. rectangular stainless steel bar with mark at every 5cms, stand for hanging the metallic bar. 29 apparatus of young’s moduls: searle’s pattern. brass body chromium plated. with weight set. 30 apparatus of rigidity modulus. dynamical method, with steel rod 16” long and 1” diameter and wall bracket. 31 apparatus of torsion pendulum. vertical pattern. 100cms long with 3 scale and weight set. 32 apparatus of katter’s pendulum. s.s. with 2 sets of large and small weights, two knife-edges and wall bracket. 33 apparatus of stokes law set up. 34 apparatus of bipolar junction transistor characteristic kit. 35 apparatus of pn junction kit. ? 0-10v d.c. at 50ma, continuously variable with coarse and fine pots, regulated power supply. ? digital d.c. voltmeter, 3½ digit ranges 0-2v/20v. ? digital d.c. ammeter 3½ digit ranges 0-20ua/20ma. ? ge and si semiconductor diodes. ? adequate no. of other electronic components, mains on/off switch and fuse. ? the unit is operative on 230vac ±10% at 50hz. ? adequate no. of patch cords stackable 4mm spring loaded plug length 50cm. ? good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. ? weight: 1.300 kg. (approx.), dimension: w 340 x h 125 x d 210. 36 apparatus of slide calipers. stainless steel superior quality.5” size, vernier reading 0.01cms. with wheel drive. 37 apparatus of screw gauge: moore and wright type. circular bar body, s. s. screw and pivot, ratcher stop.20x1/100mm. 38 apparatus of speherometer: brass body, stainless steel screw and legs.1/100mm. 39 apparatus of cathode ray oscilloscope.

supply of starter for slipering motor suitable for 125 hp starter voltage 415 volt, current 165 amp, rotor voltage280 volt and current 202 amp, 3 phase with ammeter gauge. make: kaveri electrical, abb, l&t or equivalent.

supply of 1)digital dc milli ammeter (line bay), as per it-01 of ann-01. qty: 5 no 2)digital dc milli ammeter (br/gt/st bay), as per it-02 of ann-01. qty: 5 no 3)digital dc milli ammeter, as per it-03 of ann-01. qty: 10 no 4)digital dc milli ammeter (line bay) , as per it-04 of ann-01. qty: 5 no 5)digital dc milli ammeter (gt bay), as per it-05 of ann-01. qty: 2 no 6)digital dc milli ammeter (st bay), as per it-06 of ann-01. qty: 3 no 7)digital dc milli ammeter (line bay), as per it-07 of ann-01. qty: 5 no 8)digital dc milli ammeter (gt bay), as per it-08 of ann-01. qty: 2 no 9)digital dc milli ammeter (st bay), as per it-09 of ann-01. qty: 3 no 10)digital dc milli ammeter (br bay), as per it-10 of ann-01. qty: 2 no- miscellaneous works.

supply of 1)digital dc milli ammeter (line bay), as per it-01 of ann-01. qty: 5 no 2)digital dc milli ammeter (br/gt/st bay), as per it-02 of ann-01. qty: 5 no 3)digital dc milli ammeter, as per it-03 of ann-01. qty: 10 no 4)digital dc milli ammeter (line bay) , as per it-04 of ann-01. qty: 5 no 5)digital dc milli ammeter (gt bay), as per it-05 of ann-01. qty: 2 no 6)digital dc milli ammeter (st bay), as per it-06 of ann-01. qty: 3 no 7)digital dc milli ammeter (line bay), as per it-07 of ann-01. qty: 5 no 8)digital dc milli ammeter (gt bay), as per it-08 of ann-01. qty: 2 no 9)digital dc milli ammeter (st bay), as per it-09 of ann-01. qty: 3 no 10)digital dc milli ammeter (br bay), as per it-10 of ann-01. qty: 2 no- miscellaneous works.

auction sale of lot no: 82.0 lot name: ammeter 1 a rating (1 no.) etc

auction sale of lot no: 82.0 lot name: ammeter 1 a rating (1 no.) etc

supply of ammeter to cil/pt. no. 178919 for demu dpcas per cummins part no.178919 .

purchase of analog voltmeter and ammeter- electronics equipment.

supply of ammeter, voltmeter, frequency meters.

supply of voltmeters,ammeters and transducers.

supply of ammeter, aux. gen (200-0-200amps.) , se/dl/ef-422 alt- 3 .

supply of ammeter, aux. gen (200-0-200amps.) , se/dl/ef-422 alt- 3 .

supply of local control - design, manufacturing and supply of lcs station with integral canopy (moc ss304 16guage). consisting of :- 1) 1no 2pole 25a trip-neutral- close breaker control switch spring return to neutral from trip and close.tnc swich shall be kaycee make. 2) 1no 96x96mm m.i.s.c ammeter of ctr: 200/1a 3) 1no.6a cam type 1 pole 2way auto/manual selector switch, 4) 110v dc, 1no red on led indication lamp, 1no green off led indication lamp, 1no yellow space heater on led indication lamp, 1no amber trip led indication lamp wired up to 2.5sqmm connectwell clip on terminals, by grey pvc insulated 2.5sqmm copper wire with tinned copper cable lugs and ferrules on both sides. 5) terminals shall have terminal marker on one side. 6) external legs are provided for wall/structure mounting. 7) 1no-3/4" and 1no-1" removable cable entry gland plate shall be provided at the bottom and holes shall be closed with plugs. 8) ip65 class of protection as per is/iec 60529-2001 9) it shall be smooth external finish. 10) 2nos brass earthing on outer side of the box by round head nickle plated brass screws with plain washer and spring washers, cover fixing by ss screws. 11) 1no. red stayput actuator with 1:nc contact and 1: no contact for stop and with ss padlock arrangement. vendor shall submit the drawing of lcs station and approval shall be taken before manufacturing/ supply of material.

supply of local control - design, manufacturing and supply of lcs station with integral canopy (moc ss304 16guage). consisting of :- 1) 1no 2pole 25a trip-neutral- close breaker control switch spring return to neutral from trip and close.tnc swich shall be kaycee make. 2) 1no 96x96mm m.i.s.c ammeter of ctr: 200/1a 3) 1no.6a cam type 1 pole 2way auto/manual selector switch, 4) 110v dc, 1no red on led indication lamp, 1no green off led indication lamp, 1no yellow space heater on led indication lamp, 1no amber trip led indication lamp wired up to 2.5sqmm connectwell clip on terminals, by grey pvc insulated 2.5sqmm copper wire with tinned copper cable lugs and ferrules on both sides. 5) terminals shall have terminal marker on one side. 6) external legs are provided for wall/structure mounting. 7) 1no-3/4" and 1no-1" removable cable entry gland plate shall be provided at the bottom and holes shall be closed with plugs. 8) ip65 class of protection as per is/iec 60529-2001 9) it shall be smooth external finish. 10) 2nos brass earthing on outer side of the box by round head nickle plated brass screws with plain washer and spring washers, cover fixing by ss screws. 11) 1no. red stayput actuator with 1:nc contact and 1: no contact for stop and with ss padlock arrangement. vendor shall submit the drawing of lcs station and approval shall be taken before manufacturing/ supply of material.