OTC 4221 75 GPM Hydraulic Flow Tester.
Accurately measures oil flow, temperature, and pressure against manufacturers' specifications.
Troubleshoot hydraulic circuits and isolate faulty components on mobile equipment, machine tools, fork lifts, agricultural and industrial tractors, and equipment (open or closed) hydraulic systems with capabilities up to 75 GPM at pressures to 5000 PSI. Automatic pressure compensating load valve that lets you increase flow without affecting the pressure settings. Temperature flow and RPM readings are displayed in metric or English and accurate to within plus or minus 2% of full scale.
Each tester is protected by a safety disc which ruptures automatically if pressures exceed the upper limits.
Comes with two pressure gauges and three 9V batteries.
Fittings, hoses, and tachometer accessories are available separately.
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