The Brooks Instrument MT3750C metal-tube variable-area flow meter (rotameter) is the armored purge variant in the 3750C family, configured with 3750C-MAT construction and model code 3750CA1D11BEKAGAAA. It measures gas or liquid flow using a float in a calibrated metal tube, with a maximum pressure rating of 4000 psi and an operating temperature range of -50°C to 204°C. It carries ingress protection up to IP65/IP66/IP67 and NEMA 4X, suitable for harsh or washdown environments; for liquid water, a typical configuration offers about 26 gph (approximately 100 L/h), with other media and sizes providing different ranges.
