Ralston DPPV-0000 Offers

Features

• Generate vacuum or a pressure for calibrating low-pressure or vacuum instrumentation using an external pressure calibrator
• Unique design allows the user to convert from pressure to vacuum by simply twisting a knob, even with gloves on
• Two outlet ports allow connection to reference pressure gauge or pressure calibrator as well as a device under test, thus eliminating a tee
• Large volume fine adjustment piston provides precise control, even at very low pressures
• Precisely vent pressure with a soft seated bleed valve
• Smooth, stable pressure control
• Simple and efficient design
• Vernier adjustment gives you the control to change pressure incrementally for ultra-precise settings
• The bleed valve gives you extreme control over pressure
• Solid brass fittings are virtually indestructible
• Easily switch from pressure to vacuum with a simple twist of a knob
• The anodized aluminum body won't rust or corrode
• Features two universal Ralston Quick-test ports for fast, convenient connections to reference gauge and hose - no tool or tape needed

Applications

• Low-pressure field testing
• Differential pressure transmitter calibration
• Field maintenance