The 668130-SM2000 is an industrial flow sensor designed for liquid applications. It has a sensing range of 5 to 600 LPM (liters per minute) and operates on an input voltage of 18V to 32V. The sensor features a stainless steel body for durability and can withstand temperatures ranging from -10°C to 60°C. It has a single-pole, double-throw (SPDT) switch function and is manufactured by ifm efector, inc. The 668130-SM2000 flow sensor is an active product in the market and is commonly used in industrial settings where accurate flow measurement is required. Its compact box packaging and high-quality construction make it a reliable choice for various liquid flow applications.