KROHNE Group (also known as Ludwig Krohne) is a company that manufactures process instrumentation and measurement products. It offers flowmeters, transmitters, switches, temperature sensors, analytical accessories, etc. The company also provides flowmeter retrofitting, ultrasonic flowmeter rental, instrument testing and repair, and calibration services. KROHNE Group caters to food and beverage, oil and gas, marine, chemical, mining, and other sectors.