(2) flue gas monitoring instruments include flue gas meters, dust samplers, meteorological observers, dust samplers, inclined tube micropyrometers, compensating micropyrometers, Pitot tubes, hot bulb (hot line) anemometers and Hazardous gas sampler, etc.;
(3) water quality monitoring instruments, including automatic water sampler, oil analyzer, water quality monitor and acid meter, etc.;
(4) noise instruments, including simple sound level meter, high-grade tape recorders, precision sound level meter and octave filters, etc.;
(5) glass instruments, refrigerators, muffle furnaces, ovens, microelectronic computers etc. If necessary and possible, should be equipped with environmental monitoring vehicle.