HYDROSTEEL

SCIENTIFIC, SIGNALING AND CHECKING APPARATUS AND INSTRUMENTS, NAMELY, MONITORS, DETECTORS, SENSORS, GAS COLLECTORS, GAS AND VAPOR PHASE ANALYZERS, PROBES, DATA LOGGERS, GAS FLOW METERS, CALIBRATION AND CLEANING KITS, ALARMS, INFRA-RED TRANSMITTERS AND READERS, DRY CELL AND RECHARGEABLE BATTERIES; SENSING APPARATUS AND INSTRUMENTS, NAMELY, FLUX MONITORS, DETECTORS, SENSORS, GAS COLLECTORS, GAS AND VAPOR PHASE ANALYZERS, PROBES; ALL RELATING TO DETECTION, GENERATION AND MEASUREMENT OF HYDROGEN EMISSIVITY, PERMEATION, FLOW, LEAKS AND PRESSURE