Procurement Of Spares For Ambient Air Quality Monitoring Stations For Ntpc Barh By Ssc Er1 , Barh , Desicant For Air Drier; Thermo Fisher , Battery Box , For Spm Analyzr-Fh62; Thermo , Silica Gel-Blue Beads: 2-5Mm; Dessicant , Purafil-Nox- Scrubber , Soda Lime Pellets , Charcoal Scrubber Assy . ( External ) , Filter Guard Assy . For Analyzer , Ptfe Membrane- Dia:47Mm , 5Mic;Thermofishr , Pump Repair Kit , Knf-#108002-00;Thermofs , Ir Source For Co Analyzr #7361;Thermofis , Silica Gel Cap For Nox Anlyzr: Enda-5220 , Pump Repair Kit- #Kt169001023; Thermofsr , O Ring For Capillary ( 10/Pk ) For Aaqms , Pump Repair Kit - For Sox/Nox Analyzer; , Temperature Indicator Cum Controller , Motherboard For C02 , So2 , Nox Analyzer , Ozonator Assy . For Nox Analyzer , Procesr Board For Nox Analzr-42I; Thermo , Power Supply Assy . , 24Vac For Co2 Analyzr , Processor Board For So2 Analyzer , Co2 Detector Assy . , Model-410; Thermofisr