Ralston Instruments pressure/vacuum calibration test pumps

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Ralston Instruments offers a range of pneumatic pressure/vacuum calibration test pumps designed to generate low pressure up to 125 psi or draw a vacuum to -15 psi for calibrating low pressure or vacuum instrumentation. A simple direct-acting pump action with fine adjustment piston is designed to give users precise control, even at very low pressures. The pump bodies are made from anodised aluminium so they’re lightweight and portable, won’t rust or corrode, and can easily handle sand, sticks or other contaminants in the field.

Three options are available — the DP0V pneumatic pressure pump, the DV0V pneumatic vacuum pump and the DPPV pneumatic pressure/vacuum pump that lets users switch from pressure to vacuum with the twist of a knob.

An economical choice for measuring differential pressure on pipelines and other vital industrial process systems, they are suitable for performing the low-side calibration of pressure transmitters or pressure switches for clean rooms, HVAC and similar applications.

For more information: https://www.ralstoninst.com/low-pressure-generation-solutions.