... blowing probe and filter of sampling system, providing the information what approved test and monitoring needed; l Multichannel 4 ... use, operate and set, low-cost, low work load for maintainSpecifications ItemSpecificationsMeasuring elementsSO2,NOx or O2 (according to ... the package, on the breezy placeApplicationsMonitoring the waste gas emission from Power Generation, Thermal Power, Iron and Steel, ...