Temperature, pressure and humidity indicating, recording and regulating instruments, namely, thermometers, thermowells (which attach to thermometers and isolate the thermometers from direct contact with process fluids), gauges, electro-mechanical recorders (comprised of a thermometer or pressure gauge with an integral pen and paper chart), diaphragm seals (for direct measurement of temperature or pressure which attach to thermometers or gauges and isolate the instruments from direct contact w...

metal piping for use as siphons for temperature, pressure and humidity indicating, recording and regulating instruments

temperature, pressure [ and humidity ] indicating, recording [ and regulating ] instruments, namely, thermometers, thermowells (which attach to thermometers and isolate the thermometers from direct contact with process fluids), gauges, [ electro-mechanical recorders(comprised of a thermometer or pressure gauge with an integral pen and paper chart), diaphragm seals(for indirect measurement of temperature or pressure which attach to thermometers or gauges and isolate the instruments from direct...

TEMPERATURE, PRESSURE AND HUMIDITY INDICATING, RECORDING AND REGULATING INSTRUMENTS

TEMPERATURE, PRESSURE AND HUMIDITY INDICATING, RECORDING AND REGULATING INSTRUMENTS

metal piping for use as siphons for temperature, pressure and humidity indicating, recording and regulating instruments