bids are invited for services- calibration of multi gas analysers model sr 2023 , material- replacement of o2 sensor of multi gas analysers model sr 2023 , material- replacement of co sensor of multi gas analysers model sr 2023 , material- replacement of ch4 sensor of multi gas analysers model sr 2023 , material- replacement of h2s sensor of multi gas analysers model sr 2023 , material- replacement of cl2 sensor of multi gas analysers model sr 2023 , material- replacement of co2 sensor of multi gas analysers model sr 2023 , services- labour overheads of of multi gas analysers model sr 2023 , services- calibration of portable carbon dioxide gas analysers. model: pco2-89 , material- replacement of carbon dioxide sensor portable carbon dioxide gas analysers. model: pc02-89 , material- replacement of battery of portable carbon dioxide gas analysers. model: pc02-89 , material- replacement of switches of portable carbon dioxide gas analysers. model: pc02-89 , material- replacement of external supply/ charger of portable carbon dioxide gas analysers. model: pc02-89 , material- lables of portable carbon dioxide gas analysers. model: pc02-89 , services- pump servicing of portable carbon dioxide gas analysers. model: pc02-89 , services- labour overheads of portable carbon dioxide gas analysers. model: pc02-89 , services- calibration of portable oxygen gas analysers, model: po2-89 , material- replacement of oxygen sensor of portable oxygen gas analysers, model: po2-89 , services- pcb servicing of portable oxygen gas analysers, model: po2-89 , material- replacement of buzzer of portable oxygen gas analysers, model: po2-89 , material- replacement of display of portable oxygen gas analysers, model: po2-89 , material- replacement of external supply/ charger of portable oxygen gas analysers, model: po2-89 , services- labour overheads of portable oxygen gas analysers, model: po2-89 , services- calibration of portable hydrogen gas analysers, model: a/ hyd-4p , material- h2 sensor of portable hydrogen gas analysers, model: a/ hyd-4p , material-switches of portable hydrogen gas analysers, model: a/ hyd-4p , material-buzzer of portable hydrogen gas analysers, model: a/ hyd-4p , services- pump servicing of portable hydrogen gas analysers, model: a/ hyd-4p , services- pcb servicing of portable hydrogen gas analysers, model: a/ hyd-4p , services- labour overheads of portable hydrogen gas analysers, model: a/ hyd-4p , services- calibration of fixed h2 gas analysers, model: olh2-93tc , material- transformer of fixed h2 gas analysers, model: olh2-93tc , material- sensor holder of fixed h2 gas analysers, model: olh2-93tc , material- display of fixed h2 gas analysers, model: olh2-93tc , services- pcb servicing of fixed h2 gas analysers, model: olh2-93tc , services- labour overheads of fixed h2 gas analysers, model: olh2-93tc , services- calibration of fixed o2 gas analysers, model: olox-93acou , material- replacement of sensor of fixed o2 gas analysers, model: olox-93acou , material- replacement of battery of fixed o2 gas analysers, model: olox-93acou , services- pcb servicing of fixed o2 gas analysers, model: olox-93acou , material- replacement of auto co motor of fixed o2 gas analysers, model: olox-93acou , material- replacement of pump selector switch of fixed o2 gas analysers, model: olox-93acou , material- replacement of tubing per running foot of fixed o2 gas analysers, model: olox-93acou , material- replacement of filter element of fixed o2 gas analysers, model: olox-93acou , material- replacement of complete sampling pump of fixed o2 gas analysers, model: olox-93acou , services- servicing & overhauling of fixed o2 gas analysers, model: olox-93acou , services- labour overheads of fixed o2 gas analysers, model: olox-93acou