Porter Instrument Company B-250-3 Flow Meter

Porter Instrument Company B-250-3 Flow Meter is a precision variable area flowmeter designed for direct reading of gas or liquid flow rates. It is commonly used in laboratory, medical, and industrial applications where accurate monitoring of low to medium flows is required. Manufacturer: Porter Instrument Company Model: B-250-3 Type: Variable area flow meter (rotameter) Flow indication: Vertical tube with float indicator for direct reading Scale: Calibrated tube with graduated markings (specific units depend on gas/liquid calibration) Tube size: Standard 250 series tube design Range: Application-specific, typically for low to medium flow rates (SCFH or LPM depending on gas) Media: Suitable for air, oxygen, or specialty gases (depending on calibration) Accuracy: ±2% of full scale (typical for Porter B-250 series meters) Construction: • Transparent flow tube with protective housing • Black plastic/aluminum end caps • Precision glass or acrylic metering tube Mounting: Panel mount or benchtop installation Applications: Medical gas control, laboratory instrumentation, process monitoring, calibration setups Please review pictures carefully and let us know if you have any questions!