Is the barometer the same as the pull pesticide sprayer pressure gauge?

It's different. Barometer is an instrument used to measure air pressure, and there are many classifications. Tire barometer is a kind of pneumatic tire barometer, which consists of meter head, piston, meter body, ruler, main spring and so on. Barometer is different from pull pesticide sprayer pressure gauge. Pressure gauge refers to an instrument that uses elastic elements as sensitive elements to measure and indicate the pressure higher than the ambient pressure.