Buhler Technologies Safety Flow Meter S-SM 3-1 details:
Certain applications in fluid and gas analysis require additional safety precautions, including flow meters. Here it’s particularly important to protect the clear measuring tube from mechanical damage. In this series a solid, slotted stainless steel protective tube ensures this protection. Even with the measuring tube already having a thick wall, the stainless steel casing of course also protects the surroundings in the event a glass cylinder bursts.
