bids are invited for calibration of ring and ball apparatus - calibration of ring and ball apparatus ref standards is 1205 astm d36 with magnetic stirrer with heating facility and digital display of temperature heating adjusted through knob suitable for operation on 220v 50hz single phase ac supply each unit is supplied with a bath of heat resistant glass model no aim 561 1 of aimil ltd as per following a tapered rings 2 nos , calibration of electronic balance - calibration of electronic balance capacity 50kg x 5g , repair and calibration of auto digital tds meter - repair and calibration of auto digital tds meter auto ranging 31by2 digit led display with facility for temperature compensation and digital cell constant adjustment along with tds cell and other accessories table mode labtronics make model lt 15 t 85 , calibration of thin flim oven - calibration of thin flim oven loss on heating oven vertically rotating type , calibration of los angeles abrasion testing machine - calibration of los angeles abrasion testing machine with counter , calibration of penetration apparatus - calibration of penetration apparatus of make aimil l ltd with kit with followings universal penetrometer ref standards is 1448 part 60 is 1203 complete with weights plunger cone and built in timer model no aim512 1 01 no b penetration cone ref standards is 1448 part 60 astm d 937 ip 179 weight 102.5 0.05 g model noaim 515 01 not 70 aim , display repair servicing and calibration of digital compression testing machine - display repair servicing and calibration of digital compression testing machine capacity 2000kn model no aim 317 dg 1 of aimil ltd , calibration of bouncy balance total quantity : 8