The company says its line of inline test kits are designed to measure liquid flows in hydraulic systems and compressed gas flows in pneumatic systems. The hydraulic test kits can measure up to 150 gal/min at pressures up to 6,000 psi, says the company. The manufacturer says the pneumatic test kits can measure gas flows up to 1,000 scfm at 600 psi or less. Test kits are used in hydraulic or pneumatic systems as permanent monitoring devices or as troubleshooting tools, it says. — Hedland Flow Meters, a division of Racine Federated, Inc. Racine, WI