Regulator Flowmeter Only 0 15lpm Mounting Bases Inner Diameter: 52mm The low maintenance oil Inner Diameter: 52mm and talkgroups Stores up to 10 million selections that can be categorized into over 200 scanlists User programmable Quick Service Search button Upgradable CPU and DSP firmware and library Includes software and USB cable Spectrum Sweeper finds signals without knowing the frequency Precision engineered pressure compensated design accuratelymeasures flow form 015 LPM or 025 LPM Easy to read flow tube has virtually unbreakable transparentpolycarbonate outer cover for strength and 360 visibility Chrome brass or brass body Stainless steel needle valve for precise control Calibrated at 50 PSI inlet pressure