Introduction: JUMO GmbH& KG Company was founded in 1948 and is located in the central German city of Fulda. JUMO is a well-known instrument manufacturer in Europe, dedicated to producing high-quality sensors, transmitters, and controllers. The company can provide measurement, control, and recording products for industrial temperature, pressure, humidity, liquid level, flow rate, pH value, conductivity, and redox value. The main products produced and sold by JUMO are divided into five series: electrochemical water quality analysis instruments; Pressure instruments (pressure transmitter, intelligent pressure, differential pressure transmitter, pressure gauge, immersion level gauge, electromagnetic flowmeter, vortex flowmeter); Temperature switches and dial thermometers, regulators, temperature transmitters, recorders, thyristor regulators and monitoring software, industrial temperature and humidity sensors, heat meters, temperature sensors, and thin-film platinum resistance components.