supply of supply, commissioning & training of portable hardness tester as per technical specification attached as annexure - i and annexure -ii.supply, commissioning & training of portable hardness tester as per technical specification attached as annexure - i and annexure -ii.,supply, commissioning & training of portable hardness tester as per technical specification attached as annexure - i and annexure -ii . warranty & tests certificate required. nabl traceable calibration certificate with minimum one year validity for the calibration block and display unit probe system separatel y required. 03 days operation & maintenance training required. [ warranty period: 30 months after the d ate of delivery ] ]