bids are invited for custom bid for services - calibration of pressure gauge as per pngrb and oisd guidelines for total qty of 600 number instruments as per scope of job and boq , custom bid for services - calibration of pressure transmitter as per pngrb and oisd guidelines for total qty of 6 number instruments as per scope of job and boq , custom bid for services - calibration of differential pressure gauge as per pngrb and oisd guidelines for total qty of 54 number instruments as per scope of job and boq , custom bid for services - calibration of turbine flow meter as per pngrb and oisd guidelines for total qty of 3 number instruments as per scope of job and boq , custom bid for services - calibration of temperature gauge as per pngrb and oisd guidelines for total qty of 110 number instruments as per scope of job and boq , custom bid for services - calibration of temperature transmitter as per pngrb and oisd guidelines for total qty of 6 number instruments as per scope of job and boq , custom bid for services - calibration of path gas detector as per pngrb and oisd guidelines for total qty of 16 number instruments as per scope of job and boq , custom bid for services - calibration of open path gas detector as per pngrb and oisd guidelines for total qty of 8 number instruments as per scope of job and boq , custom bid for services - calibration of psv and crv and srv as per pngrb and oisd guidelines for total qty of 54 number instruments as per scope of job and boq , custom bid for services - calibration of leak surveyor and portable gas and multifuncation and oxygen analyser as per pngrb and oisd guidelines for total qty of 15 number instruments as per scope of job and boq , custom bid for services - calibration of hcv and lcv cng mass flow meter as per pngrb and oisd guidelines for total qty of 8 number instruments as per scope of job and boq , custom bid for services - calibration of rpd meter as per pngrb and oisd guidelines for total qty of 35 number instruments as per scope of job and boq , custom bid for services - calibration of cng prover mass flow meter as per pngrb and oisd guidelines for total qty of 2 number instruments as per scope of job and boq total total quantity :