Setra Systems, Inc.: low-pressure sensors
The Model 265 Series transducers feature +1% full scale accuracy, with optional ±0.5%, ±0.4%, ±0.25%, the capability to detect pressure ranges as low as ±0.1 up to 100 in. of wc full scale, and can be configured with a choice of voltage output or current output. The Model 265 has a small footprint and can be installed with an integral mounting bracket.
— Setra Systems, Inc.