Tender For supply of wheel distance measuring gauge as per following spec: - length: 1596 +/- 0.5mm (range 1585 to 1605mm) for measurement. accuracy: 0.1mm through vernier scale. setting: must set90 degrees to the flange. parallelism: to the main axle prospective of track level which should be indicated by the same equipment. material: hard extruded steel tube with 1.2mm thickness. fixed lug on one end spring loaded moving lug on the other end with locking system. spirit level in the centre of the gauge. make- pie, mitutoyo, cpe, iti or equivalent with calibration certificate from nabl approved lab & material test certificate to be provided. [ warranty period: 30 months after the date of delivery ]]
Tender For supply and installation testing commission measuring instrument ai (artificial intelligence) ohe stagger and height measurement system as per the rdso number ti/spc/ohe/mri/0142 containing below features/reports 1.height measurement (from railway track to panto height) 2.stagger measurement on each point with +500 mm to - 500 mm range 3.condition of contact wire: pantograph flip, insufficient ohl tension 4.mast identification system 5.identifying the inclination of pantograph 6. panto entanglement. 7. iol report 8.uiol report 9.implantation distance from the center of the track. 10.crossover, turnout and overlap. 11.gradient descent between two ohe mast 12. relative gradient descent 13.separate report for gradient descent greater than 3mm per meter 14.customised report i,e section wise . the firm must conduct testing after supplying the material, and the material will be accepted only if all tests are foundsatisfactory. make:crystal or better or similar.as per attached specification. [ warranty period: 30 months after the date of delivery ] ]
Tender For purchase of equipments for materials testing lab for civil department - spring testing machineload & displacement sensing load cell capacity: 0 10 kn accuracy: 1% fs (better if 0.5%fs) displacement sensor lvdt / digital encoder accuracy: 0.5 mmmachine design frame: rigid steel frame with crosshead movement type: mechanical screw with hand wheel (simple & robust) or electromechanical actuator (for smoother, controlled motion) crosshead travel: ~150 200 mm safety guards: transparent shields around moving partsfixtures & accessoriesspring testing compression plates (ground & parallel) tension hooks / eyelets for extension springs set of spacers / adapters for small springs tensile testing standard tensile grips wedge or screw type calibration certificate for load cell standards complianceensure compliance with basic material test standards such as: astm e4 / iso 7500-1 calibration of force measurement astm e8 / iso 6892 tensile performance & accuracy load accuracy: 1% fs displacement accuracy: 0.5% repeatability: 0.5%, rockwell cum brinell hardness testing machine min initial test force :10kgf, total test force range : 60kgf,100kgf,150 kgf, max. height of specimen :215 mmmin distance from indenter center tomachine wall :132 mm accessories : steel ballpreferred indentor 1/16" preferred steel ball: 1/16"and with all standard accessories to run the machine, direct shear machinestandard compliance:the equipment shall confirm to bureau of indian standards is 2720 (part 13) and equivalent astm international astm d3080.technical specifications:shear box size: 60 mm 60 mm 25 mm specimen size (complete with grid plates, porous stones, and specimen cutter).normal load capacity:minimum 5 kn with loading yoke and calibrated loading hanger set.shear load capacity:minimum 2.5 kn or 5 kn with calibrated proving ring (with calibration certificate).rate of strain (shear displacement):variable speed drive with controlled displacement ranging from 0.01 mm/min to 1.25 mm/min (motorised model preferred for uniform rate control).displacement measurement:horizontal displacement dial gauge: 0.01 mm least countvertical displacement dial gauge: 0.002 mm or 0.01 mm least countloading frame:rigid, heavy-duty loading frame with corrosion-resistant finish.drive system:motorised with single phase 220 230 v, 50 hz power supply.accessories (to be supplied complete):shear box assembly, proving ring with calibration chart, two dial gaugesloading weights and hanger, porous stones (2 nos.), specimen cutter, tool kit, flow table test apparatusdimensions and specifications as per is 9103, table top made from flat metal plate, minimm thickness 1.5 mm. table top size: 700 mm 700 mm, with flatness tolerance of 1.5 mm. table top marked with: scribed cross at centre, lines parallel to table edges and central circle of 200 mm diameter underside of table top reinforced to prevent distortion. total mass of table top: 16 1 kg. table top, base frame front and upper stops provided as per is 9103. lower front edge fitted with two rigid stops to transfer load directly to base frame. base frame designed to transfer impact load directly to supporting surface, minimizing bounce. stop watch digital - 2 nos scale 1 mtr 2 nos mounting wooden platform 300 mm height amc for 3 years inclusive.
Tender For purchase of non consumable item in material testing lab for civil department - torsion testing machine (code e006)function: conducts torsion and twist tests on materials. such as metal wires, tubes, and sheetstorque measurement : pendulum dynamometer systemtorque application : geared motor through a gearboxtorque range : adjustablematerial tested :metal wires, tubes, sheet materialsfloor-mounted electromechanical type,230 v ac, 50 hz power supply,digital display, sand replacement test apparatus (or) core cutter devices(code e014)metal tray / base platesquare metal tray with a central hole (e.g., 300 mm 300 mm with 100 mm hole).another common size: 450 mm square, 50 mm deep with 200 mm central hole for larger kits seamless steel cylinder with no sharp edges.common size: 100 mm internal diameter, 127 175 mm length (varies by kit). mkpequipments.com +1wall thickness ~3 mm (industrial products), total station with all accessories(code e022)leica flexline ts10 reflectorless total station angle accuracy: 1 5 (smaller values = higher precision). magnification: ~28x 30x optical zoom. distance range:with prism: 2,000 m 6,000 m+reflectorless: 600 m 2,000 m typical. battery backup: ~12 36 hrs field operation., rockwell cum brinell hardness testing machine with intentor set box(code e031)min initial test force :10kgf, total test force range : 60kgf,100kgf,150 kgf, max. height of specimen :215 mmmin distance from indenter center tomachine wall :132 mm accessories:steel ballpreferred indentor 1/16" preferred steel ball: 1/16"and with all standard accessories to run the machine
Tender For supply of equipment for logistics department - paper tearing test measuring range 0 to 1000 mn capacity resolution 0.1 mn indication error 1 % tearing arm 104 1 mm tearing angle 27.5 0.5 tearing distance 43 0.5 mm, paper puncture testing machine energy range of weights - 6, 12, 24 joule per meter accuracy - 2% within full range release angle of pendulum - 90 display - led (digital) 7 segment power - 220v, 50hz,single phase highlights: sample holder - 1 pendulum release mechanism -manual material -mild steel finish - powder coated havel gray & gray combination finish and bright chrome/zinc plating for corrosion resistant finish, weighing machine max capacity (max) maximum load the scale can measure. (3 kg ), min capacity (min) minimum load required for accurate measurement. (0.25 kg), 0.1 g 1 g resolution, sling psychrometer, bursting strength tester capacity: commonly 0 40 kg/cm . accuracy: +or -1 % of the full range (often within 10% to 90% of capacity). resolution: 0.1 kg/cm . operation: microprocessor-based, digital display (lcd/led) with peak hold test fluid: glycerin (approx. 98% purified). power requirement: 220v, single phase, 50 hz. memory. clamping: pneumatic or manual, often with 1/4 hp motor. fluid displacement rate: 95 + or 5 cc/minute., digital micrometer (0-25mm with least count 0.0010) (0 25 mm, 0.001 mm), digital vernier caliper (0-150mm)
Tender For supply, installation,testing and commissioning of 24 vdc twin beam led headlight as per rdso specification no. rdso/2017/el/spec/0134 (rev.04). on various types of track machines. rdso specification no.rdso/2017/el/spec/0134(rev.04) detailed as below:- (1).operating voltage should be nominal 24vdc ,minimum voltage 22vdc and maximum working voltage 30 vdc (2).power consumption should not be more than 100 watts at nominal operating voltage (3).the led unit should have built-in reverse polarity protection.the reverse polarity test shall be conducted at a nominal voltage (24vdc) for 1 minute (4). bright mode ( at distance of 8 mtr)=7000 lux minimum and 9000 lux ( max) . dim mode(at a distance of 8mtr)900lux(min) and 1200lux (max) .(5)led headlight unit shall have ip-66 protection against water and dust. manufacturer should provide certificate for same from any nabl/govt approved lab.(6) dye penetration test for detection of surface defects/cracks on cracks shall be conducted as per is:3658-1981.(7) angle of the beam should be as per clause 12.6.5 of specification rdso/2017/el/spec/0134 (rev.04) (8). headlight be so designed that the failure on one led should not lead to failure of other led (9) led used should be of smd/cob type only.colour temperature of white coloour led shall be 3700k-5000k(white). colour rendering indexshould be greater than or equal to 80 (10) illumination intensity measurement shall not be less than 4.8 lux in bright mode at a distance of 305 metre (11) all kinds of tests as recommended in above mentioned specification to be carried out.accepted make/brand:rdso approved sources [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For wheel diameter gauge similar to model wd-2 (e) with digital display for measurement of wheel diameter in both mounted (in situ) and un mounted wheels of locos carriage and wagons. the gauge gives direct diameter readings on digital display with working manual. specification:- 1. measuring range:- 650 to 1250 mm 2. accuracy: +/- 0.2 mm 3. applicability:- b g wheels 4. resolutions:- 0.1 mm/0.01 mm /0.001 mm (selectable) 5. measurement at distance of edge:- 63.5 mm 6. distance between axes of ball base:- 250+/-0.5 mm 7. display:- wireless display on android 7 segment led/lcd 8. power supply:- inbuilt rechargeable battery 9. operating temperature: -10 degree celsius to 60 degree celsius 10. operating humidity:- 15-85% (no condensation) 11. storage of data:- wireless data transmission with unlimited data storage 12. measurement scheme:- 3 point measurement of curve using linear encoder 13. carrying case:- padded ruggedized pvc carrying case 14. function ability: measurement of wheel diameter is possible for loose wheel set as well as without dismantling wheel set from wagon , carriage or locos. 15. recording of readings:- optional facility on android/device 16. data transfer:- through wireless bluetooth 17. weight:- approx 750 gms18. make: pie/ jyoti/ ganapathi/ electronica or equivalent with calibration certificate & isi certified. [ warranty period: 30 months after the date of delivery ]
Tender For supply of hand held thermal imaging camera completewith 2 year warranty,technical requirement confirming to rdsoletter no.el/7.1.108/sbc/main dtd. 26/11/2024 and having irresolution: 160 x 120 pixels, digital image enhancement:yes,thermal sensitivity/netd:less than 70 mk, field of view (fov):71 degree x 56 degree , minimum focus distance: 0.3 m (0.98 ft),distance to spot ratio: 24:1, image frequency: 8.7 hz,focus:fixed, focal plane array/spectral range: uncooled microbolometer/7.5 to 14 micro mtr., detector pitch: 12 micro mtr,display resolution: 320 x 240 pixels, screen size: 2.4 inchportrait, color palettes: iron , rainbow, white hot, black hot,arctic, lava, image adjustment: automatic, image modes: msx(multi spectral dynamic imaging)visual with temperaturereading, object temperature range: -25 degree c to 380 degree c(-13 degree f to 716 degree f), measurement accuracy: -25degree c to 50 degree c (-13 degree f to 122 degree f): up toplus minus 3 degree c (plus minus 7 degree f) 50 to 100 degreec (122 to 212 degree f): plus minus 1.5 degree c (plus minus 3degree f) or plus minus 1.5% whichever is greater 100 degree cto 380 degree c (212 degree f to 716 degree f): plus minus 2.5degree c (plus minus 6 degree f) or plus minus 2.5% whicheveris greater, ir temperature resolution: 0.1 degree c (0.2 degreef), repeatability of reading: plus minus 1% of reading or plusminus 1 degree c (2 degree f), whichever is greater, responsetime: 150 ms, ir thermometer measurement: continuousscanning, minimum measurement distance: 0.26 m (0.85 ft),type-k range: included type-k probe: up to 260 degree c (500degree f), type-k accuracy: plus minus (1.0% + 3 degree c (7degree f)), spotmeter: center spot on/off, set-up commands:local adaptation of units, language, date, and time formatsscreen brightness (high, medium, low) gallery, deletion ofimages, emissivity correction: yes: 4 preset levels with customadjustment of 0.1?0.99, storage capacity on 4 gb card: 50,000images,image file format: jpeg w/ spot temp data, digitalcamera resolution: 2 mp (1600 x 1200 pixels), adapts to ir lens,flashlight: 100 lumens led, on/off option, class 1 laser: projectscenter spot and outlines circular measurement area to indicatesize, bluetooth: ble, usb: type-c: data transfer, power, batterytype: rechargeable 3.7 v li-ion battery, battery operating time: 5hrs scanning, battery charging time: 4 hrs, to 90%, powermanagement: adjustable: off, 5 min, 15 min, 30 min,shock/vibration: 25 g (iec 60068-2-27); 2 g (iec 60068-2-6),drop: designed for 2 m (6.56 ft), weight: 0.394 kg (13.9 oz),size (l x w x h): 210 x 64 x 81 mm (8.3 x2.5 x 3.2 in) make brand must be : flir-tg-268.269, bosch-gtc-400c, fluke-pti-120, testo &tipl only [ warranty period: 30 months after the date of delivery ] ]