supply of weighing machineweighing machine,supply of weighing machine -digital weighing scale capacity 500 kgs, accuracy 50 gram, ch ecker plate top size 600 mm x 600 mm approx., red bright led display, 6v, 4ah, rechargeable smf battery operated and single phase 90 volt to 250 volt, 50 hz electric operated , structure made from 50mm square heavy pipe, supply with calibration certificate from government approved agency. note: original invoice or proof of purchase from oem or its authorized dealers and oem/dealer?s warranty card to send along with m aterial. calibration certificate/test report to be sent along with material. [ warranty period: 30 months af ter the date of delivery ] ] elect.chargeman ang, cr maharashtra 1.00 numbers