Pneumatic calibration pumps

Positive pressure and vacuum calibration source selection.

WESIVO 521 Portable Pneumatic Pressure Calibration Pump

Hand-operated pneumatic pressure source for positive-pressure and vacuum testing of pressure gauges and instruments, with a -0.095 to 6 MPa range and 10 Pa adjustment fineness.

WESIVO 551A Hand Operated Pneumatic Pressure Pump

Compact hand-operated pneumatic pressure source for field and workshop calibration of pressure gauges, transmitters and sensors.

WESIVO 521S High Pressure Test Pump

Hand-operated comparison test pump for pressure instrument calibration, with positive pressure up to 2,000 psi (140 bar), vacuum generation and 10 Pa adjustment resolution.

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This category currently lists 3 published instruments. Compare the complete model or order code, operating conditions and required configuration before confirming price, delivery and documentation. Values shown on the website support initial comparison; the final specification is confirmed in the written selection and quotation.

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