The Dwyer Instruments, Inc. 3230 Photohelic Gauge is a pressure gauge with a 0-30" range. Model 3230 places this unit in Dwyer’s Photohelic gauge lineup, a family known for integrating pressure measurement with a Photohelic indicator concept. This DWYER 3230 Photohelic Gauge provides direct pressure readings across the specified 0-30" range for general monitoring of systems requiring low to moderate pressure measurement.
