supply of (1) supply of rechargeable led torch of robust and portable design, having power rating 10?12 w, operating on 3.7v (2) supply of digital camera with both zoom [supply of digital camera with both zoom (3) supply of digital insulation resistance tester suitable for ac traction maintenance (actm), having selectable test voltages from 250v to 2.5 kv dc, with insulation (4) supply of operating rod (25 kv) shall conform to rdso specification no. eti/psi/14(1/86) rev.-1 (april 1987) and rdso drawing no. eti/psi/039 (latest revision), (5) supply of 25kv potential transformer (type-ii) shall conform to rdso specification no. ti/spc/psi/pt/0210 (06/2021) (latest revision), (6) supply of 5 kv digital insulation tester (megger type) suitable for ac traction maintenance (actm), having selectable test voltages of 250v, 500v, 1000v, 2500v, (7) supply of transformer oil testing kit (multi-parameter type) comprising bdv tester of minimum 1 kva capacity with test voltage range 0?100 kv, suitable for cell, electrodes, stirrer, calibration kit, and all standard accessories, (8) supply of transformer oil testing kit (multi-parameter type) comprising bdv tester of minimum 1 kva capacity with test voltage range 0?100 kv, suitable for (9) supply of digital cl -on earth tester as per actm requirements, having jaw size of minimum 32 mm, 4-digit lcd display (approx. 47 ? 28.5 mm), , supply of digital insulation resistance tester suitable for ac traction maintenance (actm), h aving selectable test voltages from 250v to 2.5 kv dc, with insulation resistance measurement range up t o 20 gω, digital display, auto-ranging, automatic discharge of test voltage, and in-built safety features, dul y conforming to relevant rdso/is/iec standards (iec 61557/is 2992), complete with test leads, carrying ca se, and standard accessories, from reputed makes such as megger, fluke, motwane, kyoritsu or equivalent , and shall be procured from oem/authorized dealers only with valid authorization certificate, calibration an d test certificates, warranty, and proper packing, inspection, and testing as per tender conditions. [ warra nty period: 30 months after the date of delivery ] ] , supply of rechargeable led torch of robust and portable design, having power rating 10?12 w, operating on 3.7v rechargeable battery of minimum 2400 mah capacity, with high-intensity led light, s uitable for field and maintenance use, equipped with usb cable charging facility, durable body, long backu p time, and reliable switching mechanism, complete with charger/cable and standard accessories, duly con forming to relevant is/iec standards, from reputed makes such as philips, eveready, syska, wipro or equiv alent, and shall be procured from oem/authorized dealers only with valid authorization certificate, minimu m one year warranty, and proper packing, inspection, and testing as per tender conditions. [ warranty pe riod: 30 months after the date of delivery ] ] , supply of digital camera with both zoom and wide-angle capabilities, interchangeable lenses , having minimum 24.1 megapixels effective resolution, digital zoom range of 3x?10x for video, shutter spe ed range from 30 seconds to 1/4000 seconds, and exposure compensation of ?3 stops in 1/3 stop incremen ts, complete with standard accessories, battery, charger, and storage media, duly conforming to relevant i ndustry standards, from reputed makes such as canon, nikon, sony, fujifilm or equivalent, and shall be pro cured from oem/authorized dealers only with valid authorization certificate, warranty of minimum one year , and proper packing and inspection as per tender conditions [ warranty period: 30 months after the dat e of delivery ] ] , supply of operating rod (25 kv) shall conform to rdso specification no. eti/psi/14(1/86) re v.-1 (april 1987) and rdso drawing no. eti/psi/039 (latest revision), suitable for 25 kv ac traction mainten ance (actm) applications, made of high-strength insulating material with adequate mechanical strength an d dielectric properties, having required creepage distance, proper grip/handle, and suitable length for safe operation, duly type tested and routine tested as per rdso/is standards, complete with necessary fittings and accessories, from rdso-approved vendors only, with valid approval certificate, test certificates, and m inimum one year warranty, ensuring proper packing, inspection, and compliance with all safety and quality requirements as per tender conditions.rdso item id: 3100635 , operating rod insulator for 25 kv isolator (ri 6260). [ warranty period: 30 months after the date of delivery ] ] , supply of 25kv potential transformer (type-ii) shall conform to rdso specification no. ti/sp c/psi/pt/0210 (06/2021) (latest revision), suitable for 25kv ac traction system, complete with all standard f ittings and accessories, confirming to required accuracy class, insulation level, burden, and ratio as specifie d, duly type tested and routine tested at manufacturer?s works, and shall be procured from rdso-approve d vendors of reputed makes such as abb, siemens, cg power (crompton greaves), bhel, or equivalent, wi th valid approval credentials and test certificates, ensuring proper packing, inspection, and compliance wit h all rdso requirements rdso item id: 3100644 , potential transformer (pt) [ warranty period: 30 mont hs after the date of delivery ] ] , supply of 5 kv digital insulation tester (megger type) suitable for ac traction maintenance ( actm), having selectable test voltages of 250v, 500v, 1000v, 2500v, and 5000v dc, with ac/dc voltage m easurement up to 600v, digital display, high insulation resistance measurement range, internal rechargeab le battery, automatic discharge of test voltage, pi/dar measurement, and in-built safety features, complete with test leads, carrying case, and standard accessories, duly conforming to relevant is/iec standards (iec 61557/is 2992), from reputed makes such as megger, fluke, motwane, kyoritsu or equivalent, and shall be procured from oem/authorized dealers only with valid authorization certificate, calibration and test certifica tes, warranty, and proper packing, inspection, and testing as per tender conditions. [ warranty period: 3 0 months after the date of delivery ] ] , supply of transformer oil testing kit (multi-parameter type) comprising bdv tester of minim um 1 kva capacity with test voltage range 0?100 kv, suitable for testing dielectric strength of transformer oil, with fully automatic operation, digital display, programmable test sequences, and in-built safety feature s, complete with test cell, electrodes, stirrer, calibration kit, and all standard accessories, duly conforming t o relevant is/iec standards (is 6792 / iec 60156), from reputed makes such as megger, motwane, scope, a plab or equivalent, and shall be procured from oem/authorized dealers only with valid authorization certific ate, calibration and test certificates, warranty, and proper packing, inspection, and testing as per tender co nditions. [ warranty period: 30 months after the date of delivery ] ] , supply of digital multimeter, as per rdso and actm manual specifications, of handheld type , suitable for field use, capable of measuring ac/dc voltage and current, frequency up to 50 khz, with funct ions including resistance measurement, continuity test with audible indication, diode test, capacitance mea surement, and other standard parameters, having true rms, digital backlit display, auto/manual ranging, a nd data hold facility, with voltage measurement range up to 1000v ac/dc, complete with test leads, batter ies, and carrying case, duly conforming to relevant is/iec standards (iec 61010), from reputed makes such as fluke, megger, kyoritsu, motwane or equivalent, and shall be procured from oem/authorized dealers onl y with valid authorization certificate, calibration and test certificates, warranty, and proper packing, inspect ion, and testing as per tender conditions. [ warranty period: 30 months after the date of delivery ] ] , supply of digital clamp-on earth tester as per actm requirements, having jaw size of minim um 32 mm, 4-digit lcd display (approx. 47 ? 28.5 mm), capable of measuring earth resistance in the range of 0.01 ohm to 100 ohm, with non-intrusive clamp method without disconnection of earth system, high acc uracy, data hold function, and in-built safety features, complete with carrying case, batteries, and standard accessories, duly conforming to relevant is/iec standards (iec 61557), from reputed makes such as fluke, megger, kyoritsu, motwane or equivalent, and shall be procured from oem/authorized dealers only with vali d authorization certificate, calibration and test certificates, warranty, and proper packing, inspection, and t esting as per tender conditions. [ warranty period: 30 months after the date of delivery ] ]