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The Dwyer BCHP low pressure calibration pump is designed to generate vacuum and positive pressure for adjusting or calibrating gauges, transmitters or switches. With a pneumatic pressure range of -28 inHg to 870 psi (-0.95 bar to 60 bar), this Dwyer pump features dual pressure ports allowing two instruments to be connected to the pump without additional fittings.
An optional kit is available with the Dwyer BCHP low pressure calibration pump which adds 1/4-inch NPT adapters, a fine volume adjustment tool and a hard plastic carrying case.
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![Dwyer BCHP [BCHP-1] Low Pressure Calibration Pump, -28 inHg to 870 psi (-0.95 bar to 60 bar)](image/cache/wp/gj/Products/Dwyer_BCHP-200x200.webp "Dwyer BCHP [BCHP-1] Low Pressure Calibration Pump, -28 inHg to 870 psi (-0.95 bar to 60 bar)")
![Dwyer BCHP [BCHP-KIT] Low Pressure Calibration Pump Kit, -28 inHg to 870 psi (-0.95 bar to 60 bar)](image/cache/wp/gj/Products/Dwyer_BCHP-KIT-200x200.webp "Dwyer BCHP [BCHP-KIT] Low Pressure Calibration Pump Kit, -28 inHg to 870 psi (-0.95 bar to 60 bar)")
