Government Polytechnic College

Government Polytechnic College has published Tender for Purchase Of Equipments For Materials Testing Lab For Civil Department , Spring Testing Machine Load & Displacement Sensing • Load Cell • Capacity: 0-10 Kn • Accuracy: ±1% Fs (Better If ±0.5%Fs) • Displacement Sensor • Lvdt / Digital Encoder • Accuracy: ±0.5 Mm Machine 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 Parts Fixtures & Accessories Spring 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 Compliance Ensure 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 Mm Min Distance From Indenter Center To Machine Wall :132 Mm Accessories : Steel Ball Preferred Indentor Ø1/16 Preferred Steel Ball:Ø1/16 And With All Standard Accessories To Run The Machine , Direct Shear Machine Standard 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 Count Vertical Displacement Dial Gauge: 0.002 Mm Or 0.01 Mm Least Count Loading 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 Gauges Loading Weights And Hanger, Porous Stones (2 Nos.), Specimen Cutter, Tool Kit , Flow Table Test Apparatus Dimensions 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 • annual maintenance contract For 3 Years Inclusive.. Last date of submission for this tender is 2026-06-11. This is a Laboratory Equipment tender in Madurai, Tamil Nadu