bids are invited for 300116498 - rectifier, manually dimmerstst controlled, input voltage: 230+/-10vac, output voltage: 0-30v dc, input amp- 5-10a, output amp- 0-50a, ph-1, cooling-an , ltd./rege associ50hz, capacity- 2.25kva, type -bc-30-50-1dtr, make- powertronics/automatic elct. , 300112886 - digital multimeter, 3 & 3/4 digit lcd display with bar graph, true rms measurement, volt range-0 to 1000vac/dc, current:0 to 300ma ac/dc resi.:0-30 mohm, temp. measurement, audible continuty, diode testoverload protn, automatic terminal blocking system, with standard accessories,rubber holster , model - rishmulti 12s or fluke equivalent , 300055430 - battery operated insulation tester (megger), rating :500v, range : 0-1 000 mega ohms, with accessories (test leads ,carrying case , batteries ) meco make model mc941 or equivalent fluke / tes make. , 300055431 - battry operated insulation tester (megger) , rating :1000volts , range 0-500 mega ohms, with accessories (test leads, carrying case, batteri es ) meco make model mc 907 or equivalent make. , 300055421 - digital clamp-meter meco make,model no.:2727,ac voltage:0-750v, dc vol tage:1000v, ac current:600 amp. resistance:400 k-ohm, temperature: -50 to + 150 degree celsious suitable adaptor should be quoted alongwith the clip-on-ammeter or fluke model 322. , 300123588 - ac-dc clamp meter. true rmsdigital clamp meter with vfd and upscurrent measurement feature. with rotating clamp jaws, auto power offand auto/manual ranging modes, protection ip20 for terminals as periec60529, 600 v cat iv/1000v cat iii as per iec 61010-1- 2010, amp range- 0-30-300a, voltage range - upto 1000v. with frequency and resistancemeasurement. , 300080447 - rishabh or equivalent make digital multimeter (true rms) 4 3/4 digits, 31000 counts with following features.1. basic accuracy 0.05%2. root-mean-square value of distorted waveforms (trms)3. automatic data hold4. acoustic overload warning5. min/max value6. analog scale (bar graph)7. auto/manual range se