Overview
The Brooks Instrument Sho-Rate 1350EFC8BGC1A is a low-flow glass tube variable area meter (rotameter) built for precise fluid and gas flow measurement in chemical, petrochemical, biotechnology, and analytical applications. For a wide range of chemical, petrochemical, biotechnology, research and analytical applications, Sho-Rateâ„¢ Series glass tube variable area flow meters provide industry-leading repeatability and reliability. This in-line flowmeter combines durable glass construction with direct visual indication and optional electronic signaling for process control and monitoring.
Key Features
- 5% accuracy (low-flow Model 1350) with 0.25% Full Scale repeatability
- Borosilicate glass tubes are compatible with most gases and fluids
- Float materials include black glass, 316 stainless steel, sapphire, Carboloy®, tantalum
- Magnification ensures scales are easy to read; scale includes built-in magnifier
- Options include standard or NRSâ„¢ integral needle control valves, as well as flow controllers on the inlet or outlet
- Mounted within 6° of true vertical with inlet connection in the bottom end fitting using female NPT connections
Technical Specifications
- Flow Meter Type: Variable area (rotameter), glass tube
- Accuracy: 5% (low-flow Model 1350)
- Repeatability: 0.25% Full Scale
- Maximum fluid temperature for the Sho-Rate series with inductive switches is 70°C
- Tube Material: Borosilicate glass
- Connection Type: Female NPT, normally horizontal
- Float Options: Black glass, 316 stainless steel, sapphire, Carboloy®, tantalum
- Control Options: Integral needle control valve or flow controller (inlet/outlet mounted)
Typical Applications
Sho-Rateâ„¢ Series glass tube variable area flow meters are used in chemical, petrochemical, biotechnology, research and analytical applications. Common uses include laboratory gas and liquid flow measurement, process calibration, analyzer integration, and precision fluid metering in medical device manufacturing and gas delivery systems.
Compatibility & Replacements
Compatible With
- Chemical and petrochemical process systems
- Laboratory analytical instruments
- Gas and liquid flow measurement systems
- Biotechnology research equipment
- Systems requiring 10:1 rangeability for low-flow applications
Replaces / Drop-In Replacement For
- Legacy rotameter systems requiring 5% accuracy low-flow metering
- Earlier Sho-Rate low-flow models with similar end-fitting configurations
- Verify specific interchangeability with your system integrator before ordering
Works With
- Optional Brooks needle control valves and flow controllers
- Brooks ring initiators for electronic signal output (alarm/monitoring)
- Standard NPT-threaded piping and inline process systems
- External flow control and bypass valve systems














