supply and installation of 2(two) nos. automatic rain gauges (telemetric) in place of existing defunct rain gauges at different location in the district of murshidabad under executive engineer(a-i), swi division-iii, krishnagar under core sector prog , lynx gprs based telemetry data logging rain gauge with data retrieve cable and software. base materials: frp or equivalent conforming to wmo standards. collector materials: frp or equivalent conforming to wmo standards. collection dia: 200 mm or as per wmo resolution: 0.254 mm or better accuracy: +/- 2% of full scale tip detector: reed switch magnetic range: unlimited. data logger: data saved in server and sd card. data logger has local display 16 x 2 line. battery: 12 volt dc with solar panel & charger gprs server: 1 year free of cost. warranty: 1 year from date of installation sim card and sim charges: borne by the department installation charge: including installation charge. [note:(1) rate includes all taxes and charges(2) annexure-i attached with the nit is applicable for this work.] , add labour welfare cess@ 1%